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apache/incubator-mxnet
python/mxnet/image/image.py
color_normalize
def color_normalize(src, mean, std=None): """Normalize src with mean and std. Parameters ---------- src : NDArray Input image mean : NDArray RGB mean to be subtracted std : NDArray RGB standard deviation to be divided Returns ------- NDArray An `NDAr...
python
def color_normalize(src, mean, std=None): """Normalize src with mean and std. Parameters ---------- src : NDArray Input image mean : NDArray RGB mean to be subtracted std : NDArray RGB standard deviation to be divided Returns ------- NDArray An `NDAr...
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Normalize src with mean and std. Parameters ---------- src : NDArray Input image mean : NDArray RGB mean to be subtracted std : NDArray RGB standard deviation to be divided Returns ------- NDArray An `NDArray` containing the normalized image.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/image/image.py#L526-L547
23,401
apache/incubator-mxnet
python/mxnet/image/image.py
random_size_crop
def random_size_crop(src, size, area, ratio, interp=2, **kwargs): """Randomly crop src with size. Randomize area and aspect ratio. Parameters ---------- src : NDArray Input image size : tuple of (int, int) Size of the crop formatted as (width, height). area : float in (0, 1] or ...
python
def random_size_crop(src, size, area, ratio, interp=2, **kwargs): """Randomly crop src with size. Randomize area and aspect ratio. Parameters ---------- src : NDArray Input image size : tuple of (int, int) Size of the crop formatted as (width, height). area : float in (0, 1] or ...
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Randomly crop src with size. Randomize area and aspect ratio. Parameters ---------- src : NDArray Input image size : tuple of (int, int) Size of the crop formatted as (width, height). area : float in (0, 1] or tuple of (float, float) If tuple, minimum area and maximum area t...
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/image/image.py#L550-L602
23,402
apache/incubator-mxnet
python/mxnet/image/image.py
CreateAugmenter
def CreateAugmenter(data_shape, resize=0, rand_crop=False, rand_resize=False, rand_mirror=False, mean=None, std=None, brightness=0, contrast=0, saturation=0, hue=0, pca_noise=0, rand_gray=0, inter_method=2): """Creates an augmenter list. Parameters ---------- dat...
python
def CreateAugmenter(data_shape, resize=0, rand_crop=False, rand_resize=False, rand_mirror=False, mean=None, std=None, brightness=0, contrast=0, saturation=0, hue=0, pca_noise=0, rand_gray=0, inter_method=2): """Creates an augmenter list. Parameters ---------- dat...
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Creates an augmenter list. Parameters ---------- data_shape : tuple of int Shape for output data resize : int Resize shorter edge if larger than 0 at the begining rand_crop : bool Whether to enable random cropping other than center crop rand_resize : bool Whether...
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/image/image.py#L1015-L1126
23,403
apache/incubator-mxnet
python/mxnet/image/image.py
Augmenter.dumps
def dumps(self): """Saves the Augmenter to string Returns ------- str JSON formatted string that describes the Augmenter. """ return json.dumps([self.__class__.__name__.lower(), self._kwargs])
python
def dumps(self): """Saves the Augmenter to string Returns ------- str JSON formatted string that describes the Augmenter. """ return json.dumps([self.__class__.__name__.lower(), self._kwargs])
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Saves the Augmenter to string Returns ------- str JSON formatted string that describes the Augmenter.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/image/image.py#L616-L624
23,404
apache/incubator-mxnet
python/mxnet/image/image.py
SequentialAug.dumps
def dumps(self): """Override the default to avoid duplicate dump.""" return [self.__class__.__name__.lower(), [x.dumps() for x in self.ts]]
python
def dumps(self): """Override the default to avoid duplicate dump.""" return [self.__class__.__name__.lower(), [x.dumps() for x in self.ts]]
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Override the default to avoid duplicate dump.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/image/image.py#L643-L645
23,405
apache/incubator-mxnet
python/mxnet/image/image.py
ImageIter.hard_reset
def hard_reset(self): """Resets the iterator and ignore roll over data""" if self.seq is not None and self.shuffle: random.shuffle(self.seq) if self.imgrec is not None: self.imgrec.reset() self.cur = 0 self._allow_read = True self._cache_data = Non...
python
def hard_reset(self): """Resets the iterator and ignore roll over data""" if self.seq is not None and self.shuffle: random.shuffle(self.seq) if self.imgrec is not None: self.imgrec.reset() self.cur = 0 self._allow_read = True self._cache_data = Non...
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Resets the iterator and ignore roll over data
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/image/image.py#L1290-L1300
23,406
apache/incubator-mxnet
python/mxnet/image/image.py
ImageIter.next_sample
def next_sample(self): """Helper function for reading in next sample.""" if self._allow_read is False: raise StopIteration if self.seq is not None: if self.cur < self.num_image: idx = self.seq[self.cur] else: if self.last_batch_...
python
def next_sample(self): """Helper function for reading in next sample.""" if self._allow_read is False: raise StopIteration if self.seq is not None: if self.cur < self.num_image: idx = self.seq[self.cur] else: if self.last_batch_...
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Helper function for reading in next sample.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/image/image.py#L1302-L1331
23,407
apache/incubator-mxnet
python/mxnet/image/image.py
ImageIter._batchify
def _batchify(self, batch_data, batch_label, start=0): """Helper function for batchifying data""" i = start batch_size = self.batch_size try: while i < batch_size: label, s = self.next_sample() data = self.imdecode(s) try: ...
python
def _batchify(self, batch_data, batch_label, start=0): """Helper function for batchifying data""" i = start batch_size = self.batch_size try: while i < batch_size: label, s = self.next_sample() data = self.imdecode(s) try: ...
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Helper function for batchifying data
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/image/image.py#L1333-L1354
23,408
apache/incubator-mxnet
python/mxnet/image/image.py
ImageIter.imdecode
def imdecode(self, s): """Decodes a string or byte string to an NDArray. See mx.img.imdecode for more details.""" def locate(): """Locate the image file/index if decode fails.""" if self.seq is not None: idx = self.seq[(self.cur % self.num_image) - 1] ...
python
def imdecode(self, s): """Decodes a string or byte string to an NDArray. See mx.img.imdecode for more details.""" def locate(): """Locate the image file/index if decode fails.""" if self.seq is not None: idx = self.seq[(self.cur % self.num_image) - 1] ...
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Decodes a string or byte string to an NDArray. See mx.img.imdecode for more details.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/image/image.py#L1409-L1428
23,409
apache/incubator-mxnet
example/gluon/lipnet/utils/common.py
word_to_vector
def word_to_vector(word): """ Convert character vectors to integer vectors. """ vector = [] for char in list(word): vector.append(char2int(char)) return vector
python
def word_to_vector(word): """ Convert character vectors to integer vectors. """ vector = [] for char in list(word): vector.append(char2int(char)) return vector
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Convert character vectors to integer vectors.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/gluon/lipnet/utils/common.py#L46-L53
23,410
apache/incubator-mxnet
example/gluon/lipnet/utils/common.py
vector_to_word
def vector_to_word(vector): """ Convert integer vectors to character vectors. """ word = "" for vec in vector: word = word + int2char(vec) return word
python
def vector_to_word(vector): """ Convert integer vectors to character vectors. """ word = "" for vec in vector: word = word + int2char(vec) return word
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Convert integer vectors to character vectors.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/gluon/lipnet/utils/common.py#L56-L63
23,411
apache/incubator-mxnet
example/gluon/lipnet/utils/common.py
char_conv
def char_conv(out): """ Convert integer vectors to character vectors for batch. """ out_conv = list() for i in range(out.shape[0]): tmp_str = '' for j in range(out.shape[1]): if int(out[i][j]) >= 0: tmp_char = int2char(int(out[i][j])) if in...
python
def char_conv(out): """ Convert integer vectors to character vectors for batch. """ out_conv = list() for i in range(out.shape[0]): tmp_str = '' for j in range(out.shape[1]): if int(out[i][j]) >= 0: tmp_char = int2char(int(out[i][j])) if in...
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Convert integer vectors to character vectors for batch.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/gluon/lipnet/utils/common.py#L66-L80
23,412
apache/incubator-mxnet
example/kaggle-ndsb2/Preprocessing.py
get_frames
def get_frames(root_path): """Get path to all the frame in view SAX and contain complete frames""" ret = [] for root, _, files in os.walk(root_path): root=root.replace('\\','/') files=[s for s in files if ".dcm" in s] if len(files) == 0 or not files[0].endswith(".dcm") or root.find("sax") ...
python
def get_frames(root_path): """Get path to all the frame in view SAX and contain complete frames""" ret = [] for root, _, files in os.walk(root_path): root=root.replace('\\','/') files=[s for s in files if ".dcm" in s] if len(files) == 0 or not files[0].endswith(".dcm") or root.find("sax") ...
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Get path to all the frame in view SAX and contain complete frames
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/kaggle-ndsb2/Preprocessing.py#L39-L53
23,413
apache/incubator-mxnet
example/kaggle-ndsb2/Preprocessing.py
write_data_csv
def write_data_csv(fname, frames, preproc): """Write data to csv file""" fdata = open(fname, "w") dr = Parallel()(delayed(get_data)(lst,preproc) for lst in frames) data,result = zip(*dr) for entry in data: fdata.write(','.join(entry)+'\r\n') print("All finished, %d slices in total" % len(data)) ...
python
def write_data_csv(fname, frames, preproc): """Write data to csv file""" fdata = open(fname, "w") dr = Parallel()(delayed(get_data)(lst,preproc) for lst in frames) data,result = zip(*dr) for entry in data: fdata.write(','.join(entry)+'\r\n') print("All finished, %d slices in total" % len(data)) ...
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Write data to csv file
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/kaggle-ndsb2/Preprocessing.py#L94-L104
23,414
apache/incubator-mxnet
example/kaggle-ndsb2/Preprocessing.py
crop_resize
def crop_resize(img, size): """crop center and resize""" if img.shape[0] < img.shape[1]: img = img.T # we crop image from center short_egde = min(img.shape[:2]) yy = int((img.shape[0] - short_egde) / 2) xx = int((img.shape[1] - short_egde) / 2) crop_img = img[yy : yy + short_egde, xx : xx + ...
python
def crop_resize(img, size): """crop center and resize""" if img.shape[0] < img.shape[1]: img = img.T # we crop image from center short_egde = min(img.shape[:2]) yy = int((img.shape[0] - short_egde) / 2) xx = int((img.shape[1] - short_egde) / 2) crop_img = img[yy : yy + short_egde, xx : xx + ...
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crop center and resize
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/kaggle-ndsb2/Preprocessing.py#L107-L119
23,415
apache/incubator-mxnet
example/gluon/sn_gan/model.py
get_generator
def get_generator(): """ construct and return generator """ g_net = gluon.nn.Sequential() with g_net.name_scope(): g_net.add(gluon.nn.Conv2DTranspose( channels=512, kernel_size=4, strides=1, padding=0, use_bias=False)) g_net.add(gluon.nn.BatchNorm()) g_net.add(gluon.nn.L...
python
def get_generator(): """ construct and return generator """ g_net = gluon.nn.Sequential() with g_net.name_scope(): g_net.add(gluon.nn.Conv2DTranspose( channels=512, kernel_size=4, strides=1, padding=0, use_bias=False)) g_net.add(gluon.nn.BatchNorm()) g_net.add(gluon.nn.L...
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construct and return generator
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/gluon/sn_gan/model.py#L89-L117
23,416
apache/incubator-mxnet
example/gluon/sn_gan/model.py
get_descriptor
def get_descriptor(ctx): """ construct and return descriptor """ d_net = gluon.nn.Sequential() with d_net.name_scope(): d_net.add(SNConv2D(num_filter=64, kernel_size=4, strides=2, padding=1, in_channels=3, ctx=ctx)) d_net.add(gluon.nn.LeakyReLU(0.2)) d_net.add(SNConv2D(num_filter=1...
python
def get_descriptor(ctx): """ construct and return descriptor """ d_net = gluon.nn.Sequential() with d_net.name_scope(): d_net.add(SNConv2D(num_filter=64, kernel_size=4, strides=2, padding=1, in_channels=3, ctx=ctx)) d_net.add(gluon.nn.LeakyReLU(0.2)) d_net.add(SNConv2D(num_filter=1...
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construct and return descriptor
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/gluon/sn_gan/model.py#L120-L139
23,417
apache/incubator-mxnet
example/ssd/tools/rand_sampler.py
RandCropper.sample
def sample(self, label): """ generate random cropping boxes according to parameters if satifactory crops generated, apply to ground-truth as well Parameters: ---------- label : numpy.array (n x 5 matrix) ground-truths Returns: ---------- ...
python
def sample(self, label): """ generate random cropping boxes according to parameters if satifactory crops generated, apply to ground-truth as well Parameters: ---------- label : numpy.array (n x 5 matrix) ground-truths Returns: ---------- ...
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generate random cropping boxes according to parameters if satifactory crops generated, apply to ground-truth as well Parameters: ---------- label : numpy.array (n x 5 matrix) ground-truths Returns: ---------- list of (crop_box, label) tuples, if fail...
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/ssd/tools/rand_sampler.py#L93-L145
23,418
apache/incubator-mxnet
example/ssd/tools/rand_sampler.py
RandCropper._check_satisfy
def _check_satisfy(self, rand_box, gt_boxes): """ check if overlap with any gt box is larger than threshold """ l, t, r, b = rand_box num_gt = gt_boxes.shape[0] ls = np.ones(num_gt) * l ts = np.ones(num_gt) * t rs = np.ones(num_gt) * r bs = np.ones...
python
def _check_satisfy(self, rand_box, gt_boxes): """ check if overlap with any gt box is larger than threshold """ l, t, r, b = rand_box num_gt = gt_boxes.shape[0] ls = np.ones(num_gt) * l ts = np.ones(num_gt) * t rs = np.ones(num_gt) * r bs = np.ones...
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check if overlap with any gt box is larger than threshold
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/ssd/tools/rand_sampler.py#L147-L192
23,419
apache/incubator-mxnet
example/ssd/tools/rand_sampler.py
RandPadder.sample
def sample(self, label): """ generate random padding boxes according to parameters if satifactory padding generated, apply to ground-truth as well Parameters: ---------- label : numpy.array (n x 5 matrix) ground-truths Returns: ---------- ...
python
def sample(self, label): """ generate random padding boxes according to parameters if satifactory padding generated, apply to ground-truth as well Parameters: ---------- label : numpy.array (n x 5 matrix) ground-truths Returns: ---------- ...
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generate random padding boxes according to parameters if satifactory padding generated, apply to ground-truth as well Parameters: ---------- label : numpy.array (n x 5 matrix) ground-truths Returns: ---------- list of (crop_box, label) tuples, if fai...
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/ssd/tools/rand_sampler.py#L232-L287
23,420
apache/incubator-mxnet
benchmark/python/sparse/dot.py
measure_cost
def measure_cost(repeat, scipy_trans_lhs, scipy_dns_lhs, func_name, *args, **kwargs): """Measure time cost of running a function """ mx.nd.waitall() args_list = [] for arg in args: args_list.append(arg) start = time.time() if scipy_trans_lhs: args_list[0] = np.transpose(args_...
python
def measure_cost(repeat, scipy_trans_lhs, scipy_dns_lhs, func_name, *args, **kwargs): """Measure time cost of running a function """ mx.nd.waitall() args_list = [] for arg in args: args_list.append(arg) start = time.time() if scipy_trans_lhs: args_list[0] = np.transpose(args_...
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Measure time cost of running a function
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/benchmark/python/sparse/dot.py#L110-L125
23,421
apache/incubator-mxnet
python/mxnet/gluon/data/dataloader.py
default_batchify_fn
def default_batchify_fn(data): """Collate data into batch.""" if isinstance(data[0], nd.NDArray): return nd.stack(*data) elif isinstance(data[0], tuple): data = zip(*data) return [default_batchify_fn(i) for i in data] else: data = np.asarray(data) return nd.array(...
python
def default_batchify_fn(data): """Collate data into batch.""" if isinstance(data[0], nd.NDArray): return nd.stack(*data) elif isinstance(data[0], tuple): data = zip(*data) return [default_batchify_fn(i) for i in data] else: data = np.asarray(data) return nd.array(...
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Collate data into batch.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/gluon/data/dataloader.py#L127-L136
23,422
apache/incubator-mxnet
python/mxnet/gluon/data/dataloader.py
default_mp_batchify_fn
def default_mp_batchify_fn(data): """Collate data into batch. Use shared memory for stacking.""" if isinstance(data[0], nd.NDArray): out = nd.empty((len(data),) + data[0].shape, dtype=data[0].dtype, ctx=context.Context('cpu_shared', 0)) return nd.stack(*data, out=out) ...
python
def default_mp_batchify_fn(data): """Collate data into batch. Use shared memory for stacking.""" if isinstance(data[0], nd.NDArray): out = nd.empty((len(data),) + data[0].shape, dtype=data[0].dtype, ctx=context.Context('cpu_shared', 0)) return nd.stack(*data, out=out) ...
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Collate data into batch. Use shared memory for stacking.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/gluon/data/dataloader.py#L139-L151
23,423
apache/incubator-mxnet
python/mxnet/gluon/data/dataloader.py
_as_in_context
def _as_in_context(data, ctx): """Move data into new context.""" if isinstance(data, nd.NDArray): return data.as_in_context(ctx) elif isinstance(data, (list, tuple)): return [_as_in_context(d, ctx) for d in data] return data
python
def _as_in_context(data, ctx): """Move data into new context.""" if isinstance(data, nd.NDArray): return data.as_in_context(ctx) elif isinstance(data, (list, tuple)): return [_as_in_context(d, ctx) for d in data] return data
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Move data into new context.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/gluon/data/dataloader.py#L154-L160
23,424
apache/incubator-mxnet
python/mxnet/gluon/data/dataloader.py
worker_loop_v1
def worker_loop_v1(dataset, key_queue, data_queue, batchify_fn): """Worker loop for multiprocessing DataLoader.""" while True: idx, samples = key_queue.get() if idx is None: break batch = batchify_fn([dataset[i] for i in samples]) data_queue.put((idx, batch))
python
def worker_loop_v1(dataset, key_queue, data_queue, batchify_fn): """Worker loop for multiprocessing DataLoader.""" while True: idx, samples = key_queue.get() if idx is None: break batch = batchify_fn([dataset[i] for i in samples]) data_queue.put((idx, batch))
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Worker loop for multiprocessing DataLoader.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/gluon/data/dataloader.py#L163-L170
23,425
apache/incubator-mxnet
python/mxnet/gluon/data/dataloader.py
fetcher_loop_v1
def fetcher_loop_v1(data_queue, data_buffer, pin_memory=False, pin_device_id=0, data_buffer_lock=None): """Fetcher loop for fetching data from queue and put in reorder dict.""" while True: idx, batch = data_queue.get() if idx is None: break if pin_memory: ...
python
def fetcher_loop_v1(data_queue, data_buffer, pin_memory=False, pin_device_id=0, data_buffer_lock=None): """Fetcher loop for fetching data from queue and put in reorder dict.""" while True: idx, batch = data_queue.get() if idx is None: break if pin_memory: ...
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Fetcher loop for fetching data from queue and put in reorder dict.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/gluon/data/dataloader.py#L172-L187
23,426
apache/incubator-mxnet
python/mxnet/gluon/data/dataloader.py
_MultiWorkerIterV1.shutdown
def shutdown(self): """Shutdown internal workers by pushing terminate signals.""" if not self._shutdown: # send shutdown signal to the fetcher and join data queue first # Remark: loop_fetcher need to be joined prior to the workers. # otherwise, the the fet...
python
def shutdown(self): """Shutdown internal workers by pushing terminate signals.""" if not self._shutdown: # send shutdown signal to the fetcher and join data queue first # Remark: loop_fetcher need to be joined prior to the workers. # otherwise, the the fet...
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Shutdown internal workers by pushing terminate signals.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/gluon/data/dataloader.py#L266-L281
23,427
apache/incubator-mxnet
python/mxnet/kvstore.py
_ctype_key_value
def _ctype_key_value(keys, vals): """ Returns ctype arrays for the key-value args, and the whether string keys are used. For internal use only. """ if isinstance(keys, (tuple, list)): assert(len(keys) == len(vals)) c_keys = [] c_vals = [] use_str_keys = None f...
python
def _ctype_key_value(keys, vals): """ Returns ctype arrays for the key-value args, and the whether string keys are used. For internal use only. """ if isinstance(keys, (tuple, list)): assert(len(keys) == len(vals)) c_keys = [] c_vals = [] use_str_keys = None f...
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Returns ctype arrays for the key-value args, and the whether string keys are used. For internal use only.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/kvstore.py#L33-L66
23,428
apache/incubator-mxnet
python/mxnet/kvstore.py
create
def create(name='local'): """Creates a new KVStore. For single machine training, there are two commonly used types: ``local``: Copies all gradients to CPU memory and updates weights there. ``device``: Aggregates gradients and updates weights on GPUs. With this setting, the KVStore also attempts t...
python
def create(name='local'): """Creates a new KVStore. For single machine training, there are two commonly used types: ``local``: Copies all gradients to CPU memory and updates weights there. ``device``: Aggregates gradients and updates weights on GPUs. With this setting, the KVStore also attempts t...
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Creates a new KVStore. For single machine training, there are two commonly used types: ``local``: Copies all gradients to CPU memory and updates weights there. ``device``: Aggregates gradients and updates weights on GPUs. With this setting, the KVStore also attempts to use GPU peer-to-peer communicat...
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/kvstore.py#L635-L677
23,429
apache/incubator-mxnet
python/mxnet/kvstore.py
KVStore.init
def init(self, key, value): """ Initializes a single or a sequence of key-value pairs into the store. For each key, one must `init` it before calling `push` or `pull`. When multiple workers invoke `init` for the same key, only the value supplied by worker with rank `0` is used. This fun...
python
def init(self, key, value): """ Initializes a single or a sequence of key-value pairs into the store. For each key, one must `init` it before calling `push` or `pull`. When multiple workers invoke `init` for the same key, only the value supplied by worker with rank `0` is used. This fun...
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Initializes a single or a sequence of key-value pairs into the store. For each key, one must `init` it before calling `push` or `pull`. When multiple workers invoke `init` for the same key, only the value supplied by worker with rank `0` is used. This function returns after data has bee...
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/kvstore.py#L116-L158
23,430
apache/incubator-mxnet
python/mxnet/kvstore.py
KVStore.push
def push(self, key, value, priority=0): """ Pushes a single or a sequence of key-value pairs into the store. This function returns immediately after adding an operator to the engine. The actual operation is executed asynchronously. If there are consecutive pushes to the same key, there ...
python
def push(self, key, value, priority=0): """ Pushes a single or a sequence of key-value pairs into the store. This function returns immediately after adding an operator to the engine. The actual operation is executed asynchronously. If there are consecutive pushes to the same key, there ...
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Pushes a single or a sequence of key-value pairs into the store. This function returns immediately after adding an operator to the engine. The actual operation is executed asynchronously. If there are consecutive pushes to the same key, there is no guarantee on the serialization of pushes. ...
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/kvstore.py#L160-L237
23,431
apache/incubator-mxnet
python/mxnet/kvstore.py
KVStore.pull
def pull(self, key, out=None, priority=0, ignore_sparse=True): """ Pulls a single value or a sequence of values from the store. This function returns immediately after adding an operator to the engine. Subsequent attempts to read from the `out` variable will be blocked until the pull op...
python
def pull(self, key, out=None, priority=0, ignore_sparse=True): """ Pulls a single value or a sequence of values from the store. This function returns immediately after adding an operator to the engine. Subsequent attempts to read from the `out` variable will be blocked until the pull op...
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Pulls a single value or a sequence of values from the store. This function returns immediately after adding an operator to the engine. Subsequent attempts to read from the `out` variable will be blocked until the pull operation completes. `pull` is executed asynchronously after all pre...
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,432
apache/incubator-mxnet
python/mxnet/kvstore.py
KVStore.row_sparse_pull
def row_sparse_pull(self, key, out=None, priority=0, row_ids=None): """ Pulls a single RowSparseNDArray value or a sequence of RowSparseNDArray values \ from the store with specified row_ids. When there is only one row_id, KVStoreRowSparsePull \ is invoked just once and the result is broadcast t...
python
def row_sparse_pull(self, key, out=None, priority=0, row_ids=None): """ Pulls a single RowSparseNDArray value or a sequence of RowSparseNDArray values \ from the store with specified row_ids. When there is only one row_id, KVStoreRowSparsePull \ is invoked just once and the result is broadcast t...
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Pulls a single RowSparseNDArray value or a sequence of RowSparseNDArray values \ from the store with specified row_ids. When there is only one row_id, KVStoreRowSparsePull \ is invoked just once and the result is broadcast to all the rest of outputs. `row_sparse_pull` is executed asynchronously...
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,433
apache/incubator-mxnet
python/mxnet/kvstore.py
KVStore.set_gradient_compression
def set_gradient_compression(self, compression_params): """ Specifies type of low-bit quantization for gradient compression \ and additional arguments depending on the type of compression being used. 2bit Gradient Compression takes a positive float `threshold`. The technique works by t...
python
def set_gradient_compression(self, compression_params): """ Specifies type of low-bit quantization for gradient compression \ and additional arguments depending on the type of compression being used. 2bit Gradient Compression takes a positive float `threshold`. The technique works by t...
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Specifies type of low-bit quantization for gradient compression \ and additional arguments depending on the type of compression being used. 2bit Gradient Compression takes a positive float `threshold`. The technique works by thresholding values such that positive values in the gradient...
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,434
apache/incubator-mxnet
python/mxnet/kvstore.py
KVStore.set_optimizer
def set_optimizer(self, optimizer): """ Registers an optimizer with the kvstore. When using a single machine, this function updates the local optimizer. If using multiple machines and this operation is invoked from a worker node, it will serialized the optimizer with pickle and send it ...
python
def set_optimizer(self, optimizer): """ Registers an optimizer with the kvstore. When using a single machine, this function updates the local optimizer. If using multiple machines and this operation is invoked from a worker node, it will serialized the optimizer with pickle and send it ...
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Registers an optimizer with the kvstore. When using a single machine, this function updates the local optimizer. If using multiple machines and this operation is invoked from a worker node, it will serialized the optimizer with pickle and send it to all servers. The function returns aft...
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,435
apache/incubator-mxnet
python/mxnet/kvstore.py
KVStore.type
def type(self): """ Returns the type of this kvstore. Returns ------- type : str the string type """ kv_type = ctypes.c_char_p() check_call(_LIB.MXKVStoreGetType(self.handle, ctypes.byref(kv_type))) return py_str(kv_type.value)
python
def type(self): """ Returns the type of this kvstore. Returns ------- type : str the string type """ kv_type = ctypes.c_char_p() check_call(_LIB.MXKVStoreGetType(self.handle, ctypes.byref(kv_type))) return py_str(kv_type.value)
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Returns the type of this kvstore. Returns ------- type : str the string type
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/kvstore.py#L500-L510
23,436
apache/incubator-mxnet
python/mxnet/kvstore.py
KVStore.rank
def rank(self): """ Returns the rank of this worker node. Returns ------- rank : int The rank of this node, which is in range [0, num_workers()) """ rank = ctypes.c_int() check_call(_LIB.MXKVStoreGetRank(self.handle, ctypes.byref(rank))) retur...
python
def rank(self): """ Returns the rank of this worker node. Returns ------- rank : int The rank of this node, which is in range [0, num_workers()) """ rank = ctypes.c_int() check_call(_LIB.MXKVStoreGetRank(self.handle, ctypes.byref(rank))) retur...
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Returns the rank of this worker node. Returns ------- rank : int The rank of this node, which is in range [0, num_workers())
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/kvstore.py#L513-L523
23,437
apache/incubator-mxnet
python/mxnet/kvstore.py
KVStore.num_workers
def num_workers(self): """Returns the number of worker nodes. Returns ------- size :int The number of worker nodes. """ size = ctypes.c_int() check_call(_LIB.MXKVStoreGetGroupSize(self.handle, ctypes.byref(size))) return size.value
python
def num_workers(self): """Returns the number of worker nodes. Returns ------- size :int The number of worker nodes. """ size = ctypes.c_int() check_call(_LIB.MXKVStoreGetGroupSize(self.handle, ctypes.byref(size))) return size.value
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Returns the number of worker nodes. Returns ------- size :int The number of worker nodes.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,438
apache/incubator-mxnet
python/mxnet/kvstore.py
KVStore._set_updater
def _set_updater(self, updater): """Sets a push updater into the store. This function only changes the local store. When running on multiple machines one must use `set_optimizer`. Parameters ---------- updater : function The updater function. Exampl...
python
def _set_updater(self, updater): """Sets a push updater into the store. This function only changes the local store. When running on multiple machines one must use `set_optimizer`. Parameters ---------- updater : function The updater function. Exampl...
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Sets a push updater into the store. This function only changes the local store. When running on multiple machines one must use `set_optimizer`. Parameters ---------- updater : function The updater function. Examples -------- >>> def update(k...
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,439
apache/incubator-mxnet
python/mxnet/kvstore.py
KVStore._send_command_to_servers
def _send_command_to_servers(self, head, body): """Sends a command to all server nodes. Sending command to a server node will cause that server node to invoke ``KVStoreServer.controller`` to execute the command. This function returns after the command has been executed on all server ...
python
def _send_command_to_servers(self, head, body): """Sends a command to all server nodes. Sending command to a server node will cause that server node to invoke ``KVStoreServer.controller`` to execute the command. This function returns after the command has been executed on all server ...
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Sends a command to all server nodes. Sending command to a server node will cause that server node to invoke ``KVStoreServer.controller`` to execute the command. This function returns after the command has been executed on all server nodes. Parameters ---------- ...
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,440
apache/incubator-mxnet
python/mxnet/module/sequential_module.py
SequentialModule.add
def add(self, module, **kwargs): """Add a module to the chain. Parameters ---------- module : BaseModule The new module to add. kwargs : ``**keywords`` All the keyword arguments are saved as meta information for the added module. The currently...
python
def add(self, module, **kwargs): """Add a module to the chain. Parameters ---------- module : BaseModule The new module to add. kwargs : ``**keywords`` All the keyword arguments are saved as meta information for the added module. The currently...
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Add a module to the chain. Parameters ---------- module : BaseModule The new module to add. kwargs : ``**keywords`` All the keyword arguments are saved as meta information for the added module. The currently known meta includes - `take_la...
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,441
apache/incubator-mxnet
python/mxnet/module/sequential_module.py
SequentialModule.install_monitor
def install_monitor(self, mon): """Installs monitor on all executors.""" assert self.binded for module in self._modules: module.install_monitor(mon)
python
def install_monitor(self, mon): """Installs monitor on all executors.""" assert self.binded for module in self._modules: module.install_monitor(mon)
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Installs monitor on all executors.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,442
apache/incubator-mxnet
example/caffe/data.py
get_iterator
def get_iterator(data_shape, use_caffe_data): """Generate the iterator of mnist dataset""" def get_iterator_impl_mnist(args, kv): """return train and val iterators for mnist""" # download data get_mnist_ubyte() flat = False if len(data_shape) != 1 else True train = mx.io...
python
def get_iterator(data_shape, use_caffe_data): """Generate the iterator of mnist dataset""" def get_iterator_impl_mnist(args, kv): """return train and val iterators for mnist""" # download data get_mnist_ubyte() flat = False if len(data_shape) != 1 else True train = mx.io...
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Generate the iterator of mnist dataset
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,443
apache/incubator-mxnet
example/gluon/audio/urban_sounds/predict.py
predict
def predict(prediction_dir='./Test'): """The function is used to run predictions on the audio files in the directory `pred_directory`. Parameters ---------- net: The model that has been trained. prediction_dir: string, default ./Test The directory that contains the audio files on wh...
python
def predict(prediction_dir='./Test'): """The function is used to run predictions on the audio files in the directory `pred_directory`. Parameters ---------- net: The model that has been trained. prediction_dir: string, default ./Test The directory that contains the audio files on wh...
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The function is used to run predictions on the audio files in the directory `pred_directory`. Parameters ---------- net: The model that has been trained. prediction_dir: string, default ./Test The directory that contains the audio files on which predictions are to be made
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,444
apache/incubator-mxnet
example/ctc/multiproc_data.py
MPData._proc_loop
def _proc_loop(proc_id, alive, queue, fn): """Thread loop for generating data Parameters ---------- proc_id: int Process id alive: multiprocessing.Value variable for signaling whether process should continue or not queue: multiprocessing.Queue ...
python
def _proc_loop(proc_id, alive, queue, fn): """Thread loop for generating data Parameters ---------- proc_id: int Process id alive: multiprocessing.Value variable for signaling whether process should continue or not queue: multiprocessing.Queue ...
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Thread loop for generating data Parameters ---------- proc_id: int Process id alive: multiprocessing.Value variable for signaling whether process should continue or not queue: multiprocessing.Queue queue for passing data back fn: funct...
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,445
apache/incubator-mxnet
example/ctc/multiproc_data.py
MPData._init_proc
def _init_proc(self): """Start processes if not already started""" if not self.proc: self.proc = [ mp.Process(target=self._proc_loop, args=(i, self.alive, self.queue, self.fn)) for i in range(self.num_proc) ] self.alive.value = True ...
python
def _init_proc(self): """Start processes if not already started""" if not self.proc: self.proc = [ mp.Process(target=self._proc_loop, args=(i, self.alive, self.queue, self.fn)) for i in range(self.num_proc) ] self.alive.value = True ...
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Start processes if not already started
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,446
apache/incubator-mxnet
example/ctc/multiproc_data.py
MPData.reset
def reset(self): """Resets the generator by stopping all processes""" self.alive.value = False qsize = 0 try: while True: self.queue.get(timeout=0.1) qsize += 1 except QEmptyExcept: pass print("Queue size on reset: {...
python
def reset(self): """Resets the generator by stopping all processes""" self.alive.value = False qsize = 0 try: while True: self.queue.get(timeout=0.1) qsize += 1 except QEmptyExcept: pass print("Queue size on reset: {...
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Resets the generator by stopping all processes
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,447
apache/incubator-mxnet
python/mxnet/base.py
_load_lib
def _load_lib(): """Load library by searching possible path.""" lib_path = libinfo.find_lib_path() lib = ctypes.CDLL(lib_path[0], ctypes.RTLD_LOCAL) # DMatrix functions lib.MXGetLastError.restype = ctypes.c_char_p return lib
python
def _load_lib(): """Load library by searching possible path.""" lib_path = libinfo.find_lib_path() lib = ctypes.CDLL(lib_path[0], ctypes.RTLD_LOCAL) # DMatrix functions lib.MXGetLastError.restype = ctypes.c_char_p return lib
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Load library by searching possible path.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,448
apache/incubator-mxnet
python/mxnet/base.py
c_array
def c_array(ctype, values): """Create ctypes array from a Python array. Parameters ---------- ctype : ctypes data type Data type of the array we want to convert to, such as mx_float. values : tuple or list Data content. Returns ------- out : ctypes array Create...
python
def c_array(ctype, values): """Create ctypes array from a Python array. Parameters ---------- ctype : ctypes data type Data type of the array we want to convert to, such as mx_float. values : tuple or list Data content. Returns ------- out : ctypes array Create...
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Create ctypes array from a Python array. Parameters ---------- ctype : ctypes data type Data type of the array we want to convert to, such as mx_float. values : tuple or list Data content. Returns ------- out : ctypes array Created ctypes array. Examples -...
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,449
apache/incubator-mxnet
python/mxnet/base.py
ctypes2numpy_shared
def ctypes2numpy_shared(cptr, shape): """Convert a ctypes pointer to a numpy array. The resulting NumPy array shares the memory with the pointer. Parameters ---------- cptr : ctypes.POINTER(mx_float) pointer to the memory region shape : tuple Shape of target `NDArray`. Re...
python
def ctypes2numpy_shared(cptr, shape): """Convert a ctypes pointer to a numpy array. The resulting NumPy array shares the memory with the pointer. Parameters ---------- cptr : ctypes.POINTER(mx_float) pointer to the memory region shape : tuple Shape of target `NDArray`. Re...
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Convert a ctypes pointer to a numpy array. The resulting NumPy array shares the memory with the pointer. Parameters ---------- cptr : ctypes.POINTER(mx_float) pointer to the memory region shape : tuple Shape of target `NDArray`. Returns ------- out : numpy_array ...
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,450
apache/incubator-mxnet
python/mxnet/base.py
build_param_doc
def build_param_doc(arg_names, arg_types, arg_descs, remove_dup=True): """Build argument docs in python style. arg_names : list of str Argument names. arg_types : list of str Argument type information. arg_descs : list of str Argument description information. remove_dup :...
python
def build_param_doc(arg_names, arg_types, arg_descs, remove_dup=True): """Build argument docs in python style. arg_names : list of str Argument names. arg_types : list of str Argument type information. arg_descs : list of str Argument description information. remove_dup :...
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Build argument docs in python style. arg_names : list of str Argument names. arg_types : list of str Argument type information. arg_descs : list of str Argument description information. remove_dup : boolean, optional Whether remove duplication or not. Returns ...
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,451
apache/incubator-mxnet
python/mxnet/base.py
add_fileline_to_docstring
def add_fileline_to_docstring(module, incursive=True): """Append the definition position to each function contained in module. Examples -------- # Put the following codes at the end of a file add_fileline_to_docstring(__name__) """ def _add_fileline(obj): """Add fileinto to a objec...
python
def add_fileline_to_docstring(module, incursive=True): """Append the definition position to each function contained in module. Examples -------- # Put the following codes at the end of a file add_fileline_to_docstring(__name__) """ def _add_fileline(obj): """Add fileinto to a objec...
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Append the definition position to each function contained in module. Examples -------- # Put the following codes at the end of a file add_fileline_to_docstring(__name__)
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,452
apache/incubator-mxnet
python/mxnet/base.py
is_np_compat
def is_np_compat(): """ Checks whether the NumPy compatibility is currently turned on. NumPy-compatibility is turned off by default in backend. Returns ------- A bool value indicating whether the NumPy compatibility is currently on. """ curr = ctypes.c_bool() check_call(_LIB.MXI...
python
def is_np_compat(): """ Checks whether the NumPy compatibility is currently turned on. NumPy-compatibility is turned off by default in backend. Returns ------- A bool value indicating whether the NumPy compatibility is currently on. """ curr = ctypes.c_bool() check_call(_LIB.MXI...
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Checks whether the NumPy compatibility is currently turned on. NumPy-compatibility is turned off by default in backend. Returns ------- A bool value indicating whether the NumPy compatibility is currently on.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,453
apache/incubator-mxnet
python/mxnet/base.py
use_np_compat
def use_np_compat(func): """Wraps a function with an activated NumPy-compatibility scope. This ensures that the execution of the function is guaranteed with NumPy compatible semantics, such as zero-dim and zero size tensors. Example:: import mxnet as mx @mx.use_np_compat def sca...
python
def use_np_compat(func): """Wraps a function with an activated NumPy-compatibility scope. This ensures that the execution of the function is guaranteed with NumPy compatible semantics, such as zero-dim and zero size tensors. Example:: import mxnet as mx @mx.use_np_compat def sca...
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Wraps a function with an activated NumPy-compatibility scope. This ensures that the execution of the function is guaranteed with NumPy compatible semantics, such as zero-dim and zero size tensors. Example:: import mxnet as mx @mx.use_np_compat def scalar_one(): return mx...
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,454
apache/incubator-mxnet
example/multivariate_time_series/src/metrics.py
corr
def corr(label, pred): """computes the empirical correlation coefficient""" numerator1 = label - np.mean(label, axis=0) numerator2 = pred - np.mean(pred, axis = 0) numerator = np.mean(numerator1 * numerator2, axis=0) denominator = np.std(label, axis=0) * np.std(pred, axis=0) return np.mean(numer...
python
def corr(label, pred): """computes the empirical correlation coefficient""" numerator1 = label - np.mean(label, axis=0) numerator2 = pred - np.mean(pred, axis = 0) numerator = np.mean(numerator1 * numerator2, axis=0) denominator = np.std(label, axis=0) * np.std(pred, axis=0) return np.mean(numer...
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computes the empirical correlation coefficient
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/multivariate_time_series/src/metrics.py#L37-L43
23,455
apache/incubator-mxnet
example/ssd/tools/caffe_converter/convert_symbol.py
_get_input
def _get_input(proto): """Get input size """ layer = caffe_parser.get_layers(proto) if len(proto.input_dim) > 0: input_dim = proto.input_dim elif len(proto.input_shape) > 0: input_dim = proto.input_shape[0].dim elif layer[0].type == "Input": input_dim = layer[0].input_par...
python
def _get_input(proto): """Get input size """ layer = caffe_parser.get_layers(proto) if len(proto.input_dim) > 0: input_dim = proto.input_dim elif len(proto.input_shape) > 0: input_dim = proto.input_shape[0].dim elif layer[0].type == "Input": input_dim = layer[0].input_par...
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Get input size
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/ssd/tools/caffe_converter/convert_symbol.py#L23-L40
23,456
apache/incubator-mxnet
example/ssd/tools/caffe_converter/convert_symbol.py
_convert_conv_param
def _convert_conv_param(param): """ Convert convolution layer parameter from Caffe to MXNet """ param_string = "num_filter=%d" % param.num_output pad_w = 0 pad_h = 0 if isinstance(param.pad, int): pad = param.pad param_string += ", pad=(%d, %d)" % (pad, pad) else: ...
python
def _convert_conv_param(param): """ Convert convolution layer parameter from Caffe to MXNet """ param_string = "num_filter=%d" % param.num_output pad_w = 0 pad_h = 0 if isinstance(param.pad, int): pad = param.pad param_string += ", pad=(%d, %d)" % (pad, pad) else: ...
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Convert convolution layer parameter from Caffe to MXNet
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/ssd/tools/caffe_converter/convert_symbol.py#L42-L103
23,457
apache/incubator-mxnet
example/ssd/tools/caffe_converter/convert_symbol.py
_convert_pooling_param
def _convert_pooling_param(param): """Convert the pooling layer parameter """ param_string = "pooling_convention='full', " if param.global_pooling: param_string += "global_pool=True, kernel=(1,1)" else: param_string += "pad=(%d,%d), kernel=(%d,%d), stride=(%d,%d)" % ( par...
python
def _convert_pooling_param(param): """Convert the pooling layer parameter """ param_string = "pooling_convention='full', " if param.global_pooling: param_string += "global_pool=True, kernel=(1,1)" else: param_string += "pad=(%d,%d), kernel=(%d,%d), stride=(%d,%d)" % ( par...
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Convert the pooling layer parameter
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/ssd/tools/caffe_converter/convert_symbol.py#L105-L121
23,458
apache/incubator-mxnet
example/ssd/tools/caffe_converter/caffe_parse/parse_from_protobuf.py
parse_caffemodel
def parse_caffemodel(file_path): """ parses the trained .caffemodel file filepath: /path/to/trained-model.caffemodel returns: layers """ f = open(file_path, 'rb') contents = f.read() net_param = caffe_pb2.NetParameter() net_param.ParseFromString(contents) layers = find_layers...
python
def parse_caffemodel(file_path): """ parses the trained .caffemodel file filepath: /path/to/trained-model.caffemodel returns: layers """ f = open(file_path, 'rb') contents = f.read() net_param = caffe_pb2.NetParameter() net_param.ParseFromString(contents) layers = find_layers...
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parses the trained .caffemodel file filepath: /path/to/trained-model.caffemodel returns: layers
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/ssd/tools/caffe_converter/caffe_parse/parse_from_protobuf.py#L23-L38
23,459
apache/incubator-mxnet
example/gluon/embedding_learning/data.py
transform
def transform(data, target_wd, target_ht, is_train, box): """Crop and normnalize an image nd array.""" if box is not None: x, y, w, h = box data = data[y:min(y+h, data.shape[0]), x:min(x+w, data.shape[1])] # Resize to target_wd * target_ht. data = mx.image.imresize(data, target_wd, targ...
python
def transform(data, target_wd, target_ht, is_train, box): """Crop and normnalize an image nd array.""" if box is not None: x, y, w, h = box data = data[y:min(y+h, data.shape[0]), x:min(x+w, data.shape[1])] # Resize to target_wd * target_ht. data = mx.image.imresize(data, target_wd, targ...
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Crop and normnalize an image nd array.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/gluon/embedding_learning/data.py#L26-L53
23,460
apache/incubator-mxnet
example/gluon/embedding_learning/data.py
cub200_iterator
def cub200_iterator(data_path, batch_k, batch_size, data_shape): """Return training and testing iterator for the CUB200-2011 dataset.""" return (CUB200Iter(data_path, batch_k, batch_size, data_shape, is_train=True), CUB200Iter(data_path, batch_k, batch_size, data_shape, is_train=False))
python
def cub200_iterator(data_path, batch_k, batch_size, data_shape): """Return training and testing iterator for the CUB200-2011 dataset.""" return (CUB200Iter(data_path, batch_k, batch_size, data_shape, is_train=True), CUB200Iter(data_path, batch_k, batch_size, data_shape, is_train=False))
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Return training and testing iterator for the CUB200-2011 dataset.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/gluon/embedding_learning/data.py#L155-L158
23,461
apache/incubator-mxnet
example/gluon/embedding_learning/data.py
CUB200Iter.get_image
def get_image(self, img, is_train): """Load and transform an image.""" img_arr = mx.image.imread(img) img_arr = transform(img_arr, 256, 256, is_train, self.boxes[img]) return img_arr
python
def get_image(self, img, is_train): """Load and transform an image.""" img_arr = mx.image.imread(img) img_arr = transform(img_arr, 256, 256, is_train, self.boxes[img]) return img_arr
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Load and transform an image.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/gluon/embedding_learning/data.py#L105-L109
23,462
apache/incubator-mxnet
example/gluon/embedding_learning/data.py
CUB200Iter.next
def next(self): """Return a batch.""" if self.is_train: data, labels = self.sample_train_batch() else: if self.test_count * self.batch_size < len(self.test_image_files): data, labels = self.get_test_batch() self.test_count += 1 ...
python
def next(self): """Return a batch.""" if self.is_train: data, labels = self.sample_train_batch() else: if self.test_count * self.batch_size < len(self.test_image_files): data, labels = self.get_test_batch() self.test_count += 1 ...
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Return a batch.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/gluon/embedding_learning/data.py#L142-L153
23,463
apache/incubator-mxnet
example/bayesian-methods/data_loader.py
load_mnist
def load_mnist(training_num=50000): """Load mnist dataset""" data_path = os.path.join(os.path.dirname(os.path.realpath('__file__')), 'mnist.npz') if not os.path.isfile(data_path): from six.moves import urllib origin = ( 'https://github.com/sxjscience/mxnet/raw/master/example/baye...
python
def load_mnist(training_num=50000): """Load mnist dataset""" data_path = os.path.join(os.path.dirname(os.path.realpath('__file__')), 'mnist.npz') if not os.path.isfile(data_path): from six.moves import urllib origin = ( 'https://github.com/sxjscience/mxnet/raw/master/example/baye...
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Load mnist dataset
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/bayesian-methods/data_loader.py#L24-L44
23,464
apache/incubator-mxnet
python/mxnet/runtime.py
feature_list
def feature_list(): """ Check the library for compile-time features. The list of features are maintained in libinfo.h and libinfo.cc Returns ------- list List of :class:`.Feature` objects """ lib_features_c_array = ctypes.POINTER(Feature)() lib_features_size = ctypes.c_size_t() ...
python
def feature_list(): """ Check the library for compile-time features. The list of features are maintained in libinfo.h and libinfo.cc Returns ------- list List of :class:`.Feature` objects """ lib_features_c_array = ctypes.POINTER(Feature)() lib_features_size = ctypes.c_size_t() ...
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Check the library for compile-time features. The list of features are maintained in libinfo.h and libinfo.cc Returns ------- list List of :class:`.Feature` objects
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/runtime.py#L57-L70
23,465
apache/incubator-mxnet
python/mxnet/runtime.py
Features.is_enabled
def is_enabled(self, feature_name): """ Check for a particular feature by name Parameters ---------- feature_name: str The name of a valid feature as string for example 'CUDA' Returns ------- Boolean True if it's enabled, False if...
python
def is_enabled(self, feature_name): """ Check for a particular feature by name Parameters ---------- feature_name: str The name of a valid feature as string for example 'CUDA' Returns ------- Boolean True if it's enabled, False if...
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Check for a particular feature by name Parameters ---------- feature_name: str The name of a valid feature as string for example 'CUDA' Returns ------- Boolean True if it's enabled, False if it's disabled, RuntimeError if the feature is not known
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/runtime.py#L82-L100
23,466
apache/incubator-mxnet
example/ssd/dataset/pascal_voc.py
PascalVoc.cache_path
def cache_path(self): """ make a directory to store all caches Returns: --------- cache path """ cache_path = os.path.join(os.path.dirname(__file__), '..', 'cache') if not os.path.exists(cache_path): os.mkdir(cache_path) return cac...
python
def cache_path(self): """ make a directory to store all caches Returns: --------- cache path """ cache_path = os.path.join(os.path.dirname(__file__), '..', 'cache') if not os.path.exists(cache_path): os.mkdir(cache_path) return cac...
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make a directory to store all caches Returns: --------- cache path
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/ssd/dataset/pascal_voc.py#L67-L78
23,467
apache/incubator-mxnet
example/ssd/dataset/pascal_voc.py
PascalVoc.do_python_eval
def do_python_eval(self): """ python evaluation wrapper Returns: ---------- None """ annopath = os.path.join(self.data_path, 'Annotations', '{:s}.xml') imageset_file = os.path.join(self.data_path, 'ImageSets', 'Main', self.image_set + '.txt') cach...
python
def do_python_eval(self): """ python evaluation wrapper Returns: ---------- None """ annopath = os.path.join(self.data_path, 'Annotations', '{:s}.xml') imageset_file = os.path.join(self.data_path, 'ImageSets', 'Main', self.image_set + '.txt') cach...
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python evaluation wrapper Returns: ---------- None
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/ssd/dataset/pascal_voc.py#L255-L276
23,468
apache/incubator-mxnet
python/mxnet/image/detection.py
CreateMultiRandCropAugmenter
def CreateMultiRandCropAugmenter(min_object_covered=0.1, aspect_ratio_range=(0.75, 1.33), area_range=(0.05, 1.0), min_eject_coverage=0.3, max_attempts=50, skip_prob=0): """Helper function to create multiple random crop augmenters. Parameters ...
python
def CreateMultiRandCropAugmenter(min_object_covered=0.1, aspect_ratio_range=(0.75, 1.33), area_range=(0.05, 1.0), min_eject_coverage=0.3, max_attempts=50, skip_prob=0): """Helper function to create multiple random crop augmenters. Parameters ...
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Helper function to create multiple random crop augmenters. Parameters ---------- min_object_covered : float or list of float, default=0.1 The cropped area of the image must contain at least this fraction of any bounding box supplied. The value of this parameter should be non-negative. ...
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/image/detection.py#L417-L479
23,469
apache/incubator-mxnet
python/mxnet/image/detection.py
CreateDetAugmenter
def CreateDetAugmenter(data_shape, resize=0, rand_crop=0, rand_pad=0, rand_gray=0, rand_mirror=False, mean=None, std=None, brightness=0, contrast=0, saturation=0, pca_noise=0, hue=0, inter_method=2, min_object_covered=0.1, aspect_ratio_range=(0.75, 1....
python
def CreateDetAugmenter(data_shape, resize=0, rand_crop=0, rand_pad=0, rand_gray=0, rand_mirror=False, mean=None, std=None, brightness=0, contrast=0, saturation=0, pca_noise=0, hue=0, inter_method=2, min_object_covered=0.1, aspect_ratio_range=(0.75, 1....
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Create augmenters for detection. Parameters ---------- data_shape : tuple of int Shape for output data resize : int Resize shorter edge if larger than 0 at the begining rand_crop : float [0, 1], probability to apply random cropping rand_pad : float [0, 1], probab...
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/image/detection.py#L482-L621
23,470
apache/incubator-mxnet
python/mxnet/image/detection.py
DetRandomSelectAug.dumps
def dumps(self): """Override default.""" return [self.__class__.__name__.lower(), [x.dumps() for x in self.aug_list]]
python
def dumps(self): """Override default.""" return [self.__class__.__name__.lower(), [x.dumps() for x in self.aug_list]]
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Override default.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/image/detection.py#L113-L115
23,471
apache/incubator-mxnet
python/mxnet/image/detection.py
DetRandomCropAug._calculate_areas
def _calculate_areas(self, label): """Calculate areas for multiple labels""" heights = np.maximum(0, label[:, 3] - label[:, 1]) widths = np.maximum(0, label[:, 2] - label[:, 0]) return heights * widths
python
def _calculate_areas(self, label): """Calculate areas for multiple labels""" heights = np.maximum(0, label[:, 3] - label[:, 1]) widths = np.maximum(0, label[:, 2] - label[:, 0]) return heights * widths
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Calculate areas for multiple labels
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/image/detection.py#L213-L217
23,472
apache/incubator-mxnet
python/mxnet/image/detection.py
DetRandomCropAug._intersect
def _intersect(self, label, xmin, ymin, xmax, ymax): """Calculate intersect areas, normalized.""" left = np.maximum(label[:, 0], xmin) right = np.minimum(label[:, 2], xmax) top = np.maximum(label[:, 1], ymin) bot = np.minimum(label[:, 3], ymax) invalid = np.where(np.logic...
python
def _intersect(self, label, xmin, ymin, xmax, ymax): """Calculate intersect areas, normalized.""" left = np.maximum(label[:, 0], xmin) right = np.minimum(label[:, 2], xmax) top = np.maximum(label[:, 1], ymin) bot = np.minimum(label[:, 3], ymax) invalid = np.where(np.logic...
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Calculate intersect areas, normalized.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/image/detection.py#L220-L233
23,473
apache/incubator-mxnet
python/mxnet/image/detection.py
DetRandomCropAug._check_satisfy_constraints
def _check_satisfy_constraints(self, label, xmin, ymin, xmax, ymax, width, height): """Check if constrains are satisfied""" if (xmax - xmin) * (ymax - ymin) < 2: return False # only 1 pixel x1 = float(xmin) / width y1 = float(ymin) / height x2 = float(xmax) / width ...
python
def _check_satisfy_constraints(self, label, xmin, ymin, xmax, ymax, width, height): """Check if constrains are satisfied""" if (xmax - xmin) * (ymax - ymin) < 2: return False # only 1 pixel x1 = float(xmin) / width y1 = float(ymin) / height x2 = float(xmax) / width ...
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Check if constrains are satisfied
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/image/detection.py#L235-L250
23,474
apache/incubator-mxnet
python/mxnet/image/detection.py
DetRandomCropAug._update_labels
def _update_labels(self, label, crop_box, height, width): """Convert labels according to crop box""" xmin = float(crop_box[0]) / width ymin = float(crop_box[1]) / height w = float(crop_box[2]) / width h = float(crop_box[3]) / height out = label.copy() out[:, (1, 3...
python
def _update_labels(self, label, crop_box, height, width): """Convert labels according to crop box""" xmin = float(crop_box[0]) / width ymin = float(crop_box[1]) / height w = float(crop_box[2]) / width h = float(crop_box[3]) / height out = label.copy() out[:, (1, 3...
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Convert labels according to crop box
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/image/detection.py#L252-L272
23,475
apache/incubator-mxnet
python/mxnet/image/detection.py
DetRandomCropAug._random_crop_proposal
def _random_crop_proposal(self, label, height, width): """Propose cropping areas""" from math import sqrt if not self.enabled or height <= 0 or width <= 0: return () min_area = self.area_range[0] * height * width max_area = self.area_range[1] * height * width ...
python
def _random_crop_proposal(self, label, height, width): """Propose cropping areas""" from math import sqrt if not self.enabled or height <= 0 or width <= 0: return () min_area = self.area_range[0] * height * width max_area = self.area_range[1] * height * width ...
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Propose cropping areas
[ "Propose", "cropping", "areas" ]
1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/image/detection.py#L274-L320
23,476
apache/incubator-mxnet
python/mxnet/image/detection.py
DetRandomPadAug._update_labels
def _update_labels(self, label, pad_box, height, width): """Update label according to padding region""" out = label.copy() out[:, (1, 3)] = (out[:, (1, 3)] * width + pad_box[0]) / pad_box[2] out[:, (2, 4)] = (out[:, (2, 4)] * height + pad_box[1]) / pad_box[3] return out
python
def _update_labels(self, label, pad_box, height, width): """Update label according to padding region""" out = label.copy() out[:, (1, 3)] = (out[:, (1, 3)] * width + pad_box[0]) / pad_box[2] out[:, (2, 4)] = (out[:, (2, 4)] * height + pad_box[1]) / pad_box[3] return out
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Update label according to padding region
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/image/detection.py#L378-L383
23,477
apache/incubator-mxnet
python/mxnet/image/detection.py
DetRandomPadAug._random_pad_proposal
def _random_pad_proposal(self, label, height, width): """Generate random padding region""" from math import sqrt if not self.enabled or height <= 0 or width <= 0: return () min_area = self.area_range[0] * height * width max_area = self.area_range[1] * height * width ...
python
def _random_pad_proposal(self, label, height, width): """Generate random padding region""" from math import sqrt if not self.enabled or height <= 0 or width <= 0: return () min_area = self.area_range[0] * height * width max_area = self.area_range[1] * height * width ...
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Generate random padding region
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,478
apache/incubator-mxnet
python/mxnet/image/detection.py
ImageDetIter._check_valid_label
def _check_valid_label(self, label): """Validate label and its shape.""" if len(label.shape) != 2 or label.shape[1] < 5: msg = "Label with shape (1+, 5+) required, %s received." % str(label) raise RuntimeError(msg) valid_label = np.where(np.logical_and(label[:, 0] >= 0, l...
python
def _check_valid_label(self, label): """Validate label and its shape.""" if len(label.shape) != 2 or label.shape[1] < 5: msg = "Label with shape (1+, 5+) required, %s received." % str(label) raise RuntimeError(msg) valid_label = np.where(np.logical_and(label[:, 0] >= 0, l...
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Validate label and its shape.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/image/detection.py#L692-L700
23,479
apache/incubator-mxnet
python/mxnet/image/detection.py
ImageDetIter._estimate_label_shape
def _estimate_label_shape(self): """Helper function to estimate label shape""" max_count = 0 self.reset() try: while True: label, _ = self.next_sample() label = self._parse_label(label) max_count = max(max_count, label.shape[0])...
python
def _estimate_label_shape(self): """Helper function to estimate label shape""" max_count = 0 self.reset() try: while True: label, _ = self.next_sample() label = self._parse_label(label) max_count = max(max_count, label.shape[0])...
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Helper function to estimate label shape
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,480
apache/incubator-mxnet
python/mxnet/image/detection.py
ImageDetIter._parse_label
def _parse_label(self, label): """Helper function to parse object detection label. Format for raw label: n \t k \t ... \t [id \t xmin\t ymin \t xmax \t ymax \t ...] \t [repeat] where n is the width of header, 2 or larger k is the width of each object annotation, can be arbitrary...
python
def _parse_label(self, label): """Helper function to parse object detection label. Format for raw label: n \t k \t ... \t [id \t xmin\t ymin \t xmax \t ymax \t ...] \t [repeat] where n is the width of header, 2 or larger k is the width of each object annotation, can be arbitrary...
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Helper function to parse object detection label. Format for raw label: n \t k \t ... \t [id \t xmin\t ymin \t xmax \t ymax \t ...] \t [repeat] where n is the width of header, 2 or larger k is the width of each object annotation, can be arbitrary, at least 5
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,481
apache/incubator-mxnet
python/mxnet/image/detection.py
ImageDetIter.reshape
def reshape(self, data_shape=None, label_shape=None): """Reshape iterator for data_shape or label_shape. Parameters ---------- data_shape : tuple or None Reshape the data_shape to the new shape if not None label_shape : tuple or None Reshape label shape t...
python
def reshape(self, data_shape=None, label_shape=None): """Reshape iterator for data_shape or label_shape. Parameters ---------- data_shape : tuple or None Reshape the data_shape to the new shape if not None label_shape : tuple or None Reshape label shape t...
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Reshape iterator for data_shape or label_shape. Parameters ---------- data_shape : tuple or None Reshape the data_shape to the new shape if not None label_shape : tuple or None Reshape label shape to new shape if not None
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/image/detection.py#L742-L759
23,482
apache/incubator-mxnet
python/mxnet/image/detection.py
ImageDetIter._batchify
def _batchify(self, batch_data, batch_label, start=0): """Override the helper function for batchifying data""" i = start batch_size = self.batch_size try: while i < batch_size: label, s = self.next_sample() data = self.imdecode(s) ...
python
def _batchify(self, batch_data, batch_label, start=0): """Override the helper function for batchifying data""" i = start batch_size = self.batch_size try: while i < batch_size: label, s = self.next_sample() data = self.imdecode(s) ...
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Override the helper function for batchifying data
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/image/detection.py#L761-L789
23,483
apache/incubator-mxnet
python/mxnet/image/detection.py
ImageDetIter.next
def next(self): """Override the function for returning next batch.""" batch_size = self.batch_size c, h, w = self.data_shape # if last batch data is rolled over if self._cache_data is not None: # check both the data and label have values assert self._cache...
python
def next(self): """Override the function for returning next batch.""" batch_size = self.batch_size c, h, w = self.data_shape # if last batch data is rolled over if self._cache_data is not None: # check both the data and label have values assert self._cache...
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Override the function for returning next batch.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/image/detection.py#L791-L830
23,484
apache/incubator-mxnet
python/mxnet/image/detection.py
ImageDetIter.augmentation_transform
def augmentation_transform(self, data, label): # pylint: disable=arguments-differ """Override Transforms input data with specified augmentations.""" for aug in self.auglist: data, label = aug(data, label) return (data, label)
python
def augmentation_transform(self, data, label): # pylint: disable=arguments-differ """Override Transforms input data with specified augmentations.""" for aug in self.auglist: data, label = aug(data, label) return (data, label)
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Override Transforms input data with specified augmentations.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,485
apache/incubator-mxnet
python/mxnet/image/detection.py
ImageDetIter.check_label_shape
def check_label_shape(self, label_shape): """Checks if the new label shape is valid""" if not len(label_shape) == 2: raise ValueError('label_shape should have length 2') if label_shape[0] < self.label_shape[0]: msg = 'Attempts to reduce label count from %d to %d, not allo...
python
def check_label_shape(self, label_shape): """Checks if the new label shape is valid""" if not len(label_shape) == 2: raise ValueError('label_shape should have length 2') if label_shape[0] < self.label_shape[0]: msg = 'Attempts to reduce label count from %d to %d, not allo...
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Checks if the new label shape is valid
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,486
apache/incubator-mxnet
example/rcnn/symdata/anchor.py
AnchorGenerator._ratio_enum
def _ratio_enum(anchor, ratios): """ Enumerate a set of anchors for each aspect ratio wrt an anchor. """ w, h, x_ctr, y_ctr = AnchorGenerator._whctrs(anchor) size = w * h size_ratios = size / ratios ws = np.round(np.sqrt(size_ratios)) hs = np.round(ws * ra...
python
def _ratio_enum(anchor, ratios): """ Enumerate a set of anchors for each aspect ratio wrt an anchor. """ w, h, x_ctr, y_ctr = AnchorGenerator._whctrs(anchor) size = w * h size_ratios = size / ratios ws = np.round(np.sqrt(size_ratios)) hs = np.round(ws * ra...
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Enumerate a set of anchors for each aspect ratio wrt an anchor.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,487
apache/incubator-mxnet
example/rcnn/symdata/anchor.py
AnchorGenerator._scale_enum
def _scale_enum(anchor, scales): """ Enumerate a set of anchors for each scale wrt an anchor. """ w, h, x_ctr, y_ctr = AnchorGenerator._whctrs(anchor) ws = w * scales hs = h * scales anchors = AnchorGenerator._mkanchors(ws, hs, x_ctr, y_ctr) return anchors
python
def _scale_enum(anchor, scales): """ Enumerate a set of anchors for each scale wrt an anchor. """ w, h, x_ctr, y_ctr = AnchorGenerator._whctrs(anchor) ws = w * scales hs = h * scales anchors = AnchorGenerator._mkanchors(ws, hs, x_ctr, y_ctr) return anchors
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Enumerate a set of anchors for each scale wrt an anchor.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,488
apache/incubator-mxnet
example/speech_recognition/arch_deepspeech.py
prepare_data
def prepare_data(args): """ set atual shape of data """ rnn_type = args.config.get("arch", "rnn_type") num_rnn_layer = args.config.getint("arch", "num_rnn_layer") num_hidden_rnn_list = json.loads(args.config.get("arch", "num_hidden_rnn_list")) batch_size = args.config.getint("common", "batc...
python
def prepare_data(args): """ set atual shape of data """ rnn_type = args.config.get("arch", "rnn_type") num_rnn_layer = args.config.getint("arch", "num_rnn_layer") num_hidden_rnn_list = json.loads(args.config.get("arch", "num_hidden_rnn_list")) batch_size = args.config.getint("common", "batc...
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set atual shape of data
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,489
apache/incubator-mxnet
tools/coreml/converter/_mxnet_converter.py
check_error
def check_error(model, path, shapes, output = 'softmax_output', verbose = True): """ Check the difference between predictions from MXNet and CoreML. """ coreml_model = _coremltools.models.MLModel(path) input_data = {} input_data_copy = {} for ip in shapes: input_data[ip] = _np.random...
python
def check_error(model, path, shapes, output = 'softmax_output', verbose = True): """ Check the difference between predictions from MXNet and CoreML. """ coreml_model = _coremltools.models.MLModel(path) input_data = {} input_data_copy = {} for ip in shapes: input_data[ip] = _np.random...
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Check the difference between predictions from MXNet and CoreML.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
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23,490
apache/incubator-mxnet
example/reinforcement-learning/dqn/utils.py
sample_categorical
def sample_categorical(prob, rng): """Sample from independent categorical distributions Each batch is an independent categorical distribution. Parameters ---------- prob : numpy.ndarray Probability of the categorical distribution. Shape --> (batch_num, category_num) rng : numpy.random.Ra...
python
def sample_categorical(prob, rng): """Sample from independent categorical distributions Each batch is an independent categorical distribution. Parameters ---------- prob : numpy.ndarray Probability of the categorical distribution. Shape --> (batch_num, category_num) rng : numpy.random.Ra...
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Sample from independent categorical distributions Each batch is an independent categorical distribution. Parameters ---------- prob : numpy.ndarray Probability of the categorical distribution. Shape --> (batch_num, category_num) rng : numpy.random.RandomState Returns ------- ret...
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/reinforcement-learning/dqn/utils.py#L133-L154
23,491
apache/incubator-mxnet
example/reinforcement-learning/dqn/utils.py
sample_normal
def sample_normal(mean, var, rng): """Sample from independent normal distributions Each element is an independent normal distribution. Parameters ---------- mean : numpy.ndarray Means of the normal distribution. Shape --> (batch_num, sample_dim) var : numpy.ndarray Variance of the ...
python
def sample_normal(mean, var, rng): """Sample from independent normal distributions Each element is an independent normal distribution. Parameters ---------- mean : numpy.ndarray Means of the normal distribution. Shape --> (batch_num, sample_dim) var : numpy.ndarray Variance of the ...
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Sample from independent normal distributions Each element is an independent normal distribution. Parameters ---------- mean : numpy.ndarray Means of the normal distribution. Shape --> (batch_num, sample_dim) var : numpy.ndarray Variance of the normal distribution. Shape --> (batch_num,...
[ "Sample", "from", "independent", "normal", "distributions" ]
1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/reinforcement-learning/dqn/utils.py#L157-L176
23,492
apache/incubator-mxnet
example/nce-loss/nce.py
nce_loss_subwords
def nce_loss_subwords( data, label, label_mask, label_weight, embed_weight, vocab_size, num_hidden): """NCE-Loss layer under subword-units input. """ # get subword-units embedding. label_units_embed = mx.sym.Embedding(data=label, input_dim=vocab_size, ...
python
def nce_loss_subwords( data, label, label_mask, label_weight, embed_weight, vocab_size, num_hidden): """NCE-Loss layer under subword-units input. """ # get subword-units embedding. label_units_embed = mx.sym.Embedding(data=label, input_dim=vocab_size, ...
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NCE-Loss layer under subword-units input.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/nce-loss/nce.py#L38-L62
23,493
apache/incubator-mxnet
example/gluon/super_resolution/super_resolution.py
get_dataset
def get_dataset(prefetch=False): """Download the BSDS500 dataset and return train and test iters.""" if path.exists(data_dir): print( "Directory {} already exists, skipping.\n" "To force download and extraction, delete the directory and re-run." "".format(data_dir), ...
python
def get_dataset(prefetch=False): """Download the BSDS500 dataset and return train and test iters.""" if path.exists(data_dir): print( "Directory {} already exists, skipping.\n" "To force download and extraction, delete the directory and re-run." "".format(data_dir), ...
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Download the BSDS500 dataset and return train and test iters.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/gluon/super_resolution/super_resolution.py#L69-L130
23,494
apache/incubator-mxnet
example/rnn/large_word_lm/run_utils.py
evaluate
def evaluate(mod, data_iter, epoch, log_interval): """ Run evaluation on cpu. """ start = time.time() total_L = 0.0 nbatch = 0 density = 0 mod.set_states(value=0) for batch in data_iter: mod.forward(batch, is_train=False) outputs = mod.get_outputs(merge_multi_context=False) ...
python
def evaluate(mod, data_iter, epoch, log_interval): """ Run evaluation on cpu. """ start = time.time() total_L = 0.0 nbatch = 0 density = 0 mod.set_states(value=0) for batch in data_iter: mod.forward(batch, is_train=False) outputs = mod.get_outputs(merge_multi_context=False) ...
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Run evaluation on cpu.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/rnn/large_word_lm/run_utils.py#L66-L90
23,495
apache/incubator-mxnet
example/fcn-xs/data.py
FileIter.next
def next(self): """return one dict which contains "data" and "label" """ if self.iter_next(): self.data, self.label = self._read() return {self.data_name : self.data[0][1], self.label_name : self.label[0][1]} else: raise StopIteration
python
def next(self): """return one dict which contains "data" and "label" """ if self.iter_next(): self.data, self.label = self._read() return {self.data_name : self.data[0][1], self.label_name : self.label[0][1]} else: raise StopIteration
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return one dict which contains "data" and "label"
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/fcn-xs/data.py#L132-L139
23,496
apache/incubator-mxnet
python/mxnet/contrib/onnx/onnx2mx/import_onnx.py
GraphProto.from_onnx
def from_onnx(self, graph): """Construct symbol from onnx graph. Parameters ---------- graph : onnx protobuf object The loaded onnx graph Returns ------- sym :symbol.Symbol The returned mxnet symbol params : dict A dic...
python
def from_onnx(self, graph): """Construct symbol from onnx graph. Parameters ---------- graph : onnx protobuf object The loaded onnx graph Returns ------- sym :symbol.Symbol The returned mxnet symbol params : dict A dic...
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Construct symbol from onnx graph. Parameters ---------- graph : onnx protobuf object The loaded onnx graph Returns ------- sym :symbol.Symbol The returned mxnet symbol params : dict A dict of name: nd.array pairs, used as pret...
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/contrib/onnx/onnx2mx/import_onnx.py#L76-L135
23,497
apache/incubator-mxnet
python/mxnet/contrib/onnx/onnx2mx/import_onnx.py
GraphProto.get_graph_metadata
def get_graph_metadata(self, graph): """ Get the model metadata from a given onnx graph. """ _params = set() for tensor_vals in graph.initializer: _params.add(tensor_vals.name) input_data = [] for graph_input in graph.input: if graph_input...
python
def get_graph_metadata(self, graph): """ Get the model metadata from a given onnx graph. """ _params = set() for tensor_vals in graph.initializer: _params.add(tensor_vals.name) input_data = [] for graph_input in graph.input: if graph_input...
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Get the model metadata from a given onnx graph.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/contrib/onnx/onnx2mx/import_onnx.py#L137-L158
23,498
apache/incubator-mxnet
python/mxnet/contrib/onnx/onnx2mx/import_onnx.py
GraphProto.graph_to_gluon
def graph_to_gluon(self, graph, ctx): """Construct SymbolBlock from onnx graph. Parameters ---------- graph : onnx protobuf object The loaded onnx graph ctx : Context or list of Context Loads the model into one or many context(s). Returns ...
python
def graph_to_gluon(self, graph, ctx): """Construct SymbolBlock from onnx graph. Parameters ---------- graph : onnx protobuf object The loaded onnx graph ctx : Context or list of Context Loads the model into one or many context(s). Returns ...
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Construct SymbolBlock from onnx graph. Parameters ---------- graph : onnx protobuf object The loaded onnx graph ctx : Context or list of Context Loads the model into one or many context(s). Returns ------- sym_block :gluon.nn.SymbolBlock ...
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/contrib/onnx/onnx2mx/import_onnx.py#L160-L191
23,499
apache/incubator-mxnet
python/mxnet/contrib/svrg_optimization/svrg_module.py
SVRGModule.reshape
def reshape(self, data_shapes, label_shapes=None): """Reshapes both modules for new input shapes. Parameters ---------- data_shapes : list of (str, tuple) Typically is ``data_iter.provide_data``. label_shapes : list of (str, tuple) Typically is ``data_ite...
python
def reshape(self, data_shapes, label_shapes=None): """Reshapes both modules for new input shapes. Parameters ---------- data_shapes : list of (str, tuple) Typically is ``data_iter.provide_data``. label_shapes : list of (str, tuple) Typically is ``data_ite...
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Reshapes both modules for new input shapes. Parameters ---------- data_shapes : list of (str, tuple) Typically is ``data_iter.provide_data``. label_shapes : list of (str, tuple) Typically is ``data_iter.provide_label``.
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1af29e9c060a4c7d60eeaacba32afdb9a7775ba7
https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/python/mxnet/contrib/svrg_optimization/svrg_module.py#L101-L112