File size: 21,742 Bytes
87e48ce
 
 
 
 
 
365cf2a
87e48ce
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
365cf2a
87e48ce
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
365cf2a
87e48ce
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
365cf2a
87e48ce
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
365cf2a
87e48ce
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
365cf2a
87e48ce
 
 
 
365cf2a
87e48ce
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
365cf2a
87e48ce
 
 
 
 
 
 
 
 
 
 
 
 
 
 
365cf2a
87e48ce
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
365cf2a
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
87e48ce
 
 
365cf2a
87e48ce
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
365cf2a
87e48ce
 
 
 
 
 
 
 
 
 
 
 
 
365cf2a
87e48ce
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
365cf2a
87e48ce
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
{
  "cases": [
    {
      "name": "inner_broadcast_consecutive_row_groups",
      "provenance": {
        "source": "onnxruntime/contrib_ops/cuda/math/bias_softmax_impl.cu",
        "notes": "Distinguishes flattened inner-broadcast row grouping from outer mode and right-aligned broadcasting."
      },
      "attrs": { "axis": -1, "is_inner_broadcast": 1 },
      "inputs": {
        "data": { "dtype": "float32", "shape": [2, 3, 2], "data": { "kind": "constant", "value": 0.0 } },
        "bias": { "dtype": "float32", "shape": [2, 2], "data": { "kind": "values", "values": [0.0, 2.0, 2.0, 0.0] } }
      },
      "outputs": {
        "output": {
          "dtype": "float32",
          "shape": [2, 3, 2],
          "tolerance": 0.000001,
          "relTolerance": 0.000001,
          "data": {
            "kind": "values",
            "values": [0.119202922022, 0.880797077978, 0.119202922022, 0.880797077978, 0.119202922022, 0.880797077978, 0.880797077978, 0.119202922022, 0.880797077978, 0.119202922022, 0.880797077978, 0.119202922022]
          }
        }
      }
    },
    {
      "name": "outer_broadcast_cycles_bias_rows",
      "provenance": {
        "source": "onnxruntime/contrib_ops/cuda/math/bias_softmax_impl.cu",
        "notes": "Non-broadcastable data and bias shapes exercise cyclic outer-broadcast row selection."
      },
      "attrs": { "axis": -1, "is_inner_broadcast": 0 },
      "inputs": {
        "data": { "dtype": "float32", "shape": [2, 3, 2], "data": { "kind": "constant", "value": 0.0 } },
        "bias": { "dtype": "float32", "shape": [2, 2], "data": { "kind": "values", "values": [0.0, 2.0, 2.0, 0.0] } }
      },
      "outputs": {
        "output": {
          "dtype": "float32",
          "shape": [2, 3, 2],
          "tolerance": 0.000001,
          "relTolerance": 0.000001,
          "data": {
            "kind": "values",
            "values": [0.119202922022, 0.880797077978, 0.880797077978, 0.119202922022, 0.119202922022, 0.880797077978, 0.880797077978, 0.119202922022, 0.119202922022, 0.880797077978, 0.880797077978, 0.119202922022]
          }
        }
      }
    },
    {
      "name": "ort_inner_broadcast_full_suffix_softmax",
      "provenance": {
        "source": "onnxruntime/test/contrib_ops/bias_softmax_op_test.cc",
        "test": "BiasSoftmaxTest.InnerBroadcastFullBiasBatch",
        "notes": "Small deterministic suffix-softmax case."
      },
      "attrs": { "axis": 1, "is_inner_broadcast": 1 },
      "inputs": {
        "data": { "dtype": "float32", "shape": [1, 2, 2], "data": { "kind": "values", "values": [0.0, 0.0, 0.0, 0.0] } },
        "bias": { "dtype": "float32", "shape": [1, 2, 2], "data": { "kind": "values", "values": [0.0, 1.0, 2.0, 3.0] } }
      },
      "outputs": {
        "output": {
          "dtype": "float32",
          "shape": [1, 2, 2],
          "tolerance": 0.000001,
          "relTolerance": 0.000001,
          "data": { "kind": "values", "values": [0.03205860328, 0.087144318742, 0.23688281809, 0.643914259888] }
        }
      }
    },
    {
      "name": "ort_inner_broadcast_empty_bias_batch",
      "provenance": {
        "source": "onnxruntime/test/contrib_ops/bias_softmax_op_test.cc",
        "test": "BiasSoftmaxTest.InnerBroadcastEmptyBiasBatch",
        "notes": "Compact deterministic projection where one bias batch broadcasts across two input batches."
      },
      "attrs": { "axis": 1, "is_inner_broadcast": 1 },
      "inputs": {
        "data": {
          "dtype": "float32",
          "shape": [2, 2, 2],
          "data": { "kind": "values", "values": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0] }
        },
        "bias": { "dtype": "float32", "shape": [1, 2, 2], "data": { "kind": "values", "values": [0.0, 1.0, 2.0, 3.0] } }
      },
      "outputs": {
        "output": {
          "dtype": "float32",
          "shape": [2, 2, 2],
          "tolerance": 0.000001,
          "relTolerance": 0.000001,
          "data": {
            "kind": "values",
            "values": [0.03205860328, 0.087144318742, 0.23688281809, 0.643914259888, 0.03205860328, 0.087144318742, 0.23688281809, 0.643914259888]
          }
        }
      }
    },
    {
      "name": "ort_inner_broadcast_negative_axis",
      "provenance": {
        "source": "onnxruntime/test/contrib_ops/bias_softmax_op_test.cc",
        "test": "BiasSoftmaxTest.InnerBroadcastNegativeAxis",
        "notes": "Negative-axis inner-broadcast case."
      },
      "attrs": { "axis": -2, "is_inner_broadcast": 1 },
      "inputs": {
        "data": {
          "dtype": "float32",
          "shape": [2, 2, 2],
          "data": { "kind": "values", "values": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0] }
        },
        "bias": { "dtype": "float32", "shape": [1, 2, 2], "data": { "kind": "values", "values": [0.0, 1.0, 2.0, 3.0] } }
      },
      "outputs": {
        "output": {
          "dtype": "float32",
          "shape": [2, 2, 2],
          "tolerance": 0.000001,
          "relTolerance": 0.000001,
          "data": {
            "kind": "values",
            "values": [0.03205860328, 0.087144318742, 0.23688281809, 0.643914259888, 0.03205860328, 0.087144318742, 0.23688281809, 0.643914259888]
          }
        }
      }
    },
    {
      "name": "ort_outer_broadcast_negative_axis",
      "provenance": {
        "source": "onnxruntime/test/contrib_ops/bias_softmax_op_test.cc",
        "test": "BiasSoftmaxTest.OuterBroadcastNegativeAxis",
        "notes": "Negative-axis outer-broadcast case."
      },
      "attrs": { "axis": -1, "is_inner_broadcast": 0 },
      "inputs": {
        "data": {
          "dtype": "float32",
          "shape": [2, 2, 3],
          "data": { "kind": "values", "values": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0] }
        },
        "bias": {
          "dtype": "float32",
          "shape": [2, 3],
          "data": { "kind": "values", "values": [0.0, 1.0, 2.0, 2.0, 1.0, 0.0] }
        }
      },
      "outputs": {
        "output": {
          "dtype": "float32",
          "shape": [2, 2, 3],
          "tolerance": 0.000001,
          "relTolerance": 0.000001,
          "data": {
            "kind": "values",
            "values": [0.09003057317, 0.244728471055, 0.665240955775, 0.665240955775, 0.244728471055, 0.09003057317, 0.09003057317, 0.244728471055, 0.665240955775, 0.665240955775, 0.244728471055, 0.09003057317]
          }
        }
      }
    },
    {
      "name": "ort_outer_broadcast_full_bias_batch",
      "provenance": {
        "source": "onnxruntime/test/contrib_ops/bias_softmax_op_test.cc",
        "test": "BiasSoftmaxTest.OuterBroadcastFullBiasBatch",
        "notes": "Compact deterministic projection where every input batch has its own full bias row."
      },
      "attrs": { "axis": -1, "is_inner_broadcast": 0 },
      "inputs": {
        "data": {
          "dtype": "float32",
          "shape": [2, 2, 3],
          "data": { "kind": "values", "values": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0] }
        },
        "bias": {
          "dtype": "float32",
          "shape": [2, 2, 3],
          "data": { "kind": "values", "values": [0.0, 1.0, 2.0, 2.0, 1.0, 0.0, -1.0, 0.0, 1.0, 1.0, 0.0, -1.0] }
        }
      },
      "outputs": {
        "output": {
          "dtype": "float32",
          "shape": [2, 2, 3],
          "tolerance": 0.000001,
          "relTolerance": 0.000001,
          "data": {
            "kind": "values",
            "values": [0.09003057317, 0.244728471055, 0.665240955775, 0.665240955775, 0.244728471055, 0.09003057317, 0.09003057317, 0.244728471055, 0.665240955775, 0.665240955775, 0.244728471055, 0.09003057317]
          }
        }
      }
    },
    {
      "name": "f32_large_gap_subnormal_tail_gpu_gap",
      "skipGpu": {
        "category": "permanent",
        "reason": "Portable WGSL floating-point semantics do not guarantee preservation of subnormal values. The 87.5-point logit gap requires a positive subnormal probability tail, which may be flushed to zero."
      },
      "provenance": {
        "source": "onnxruntime/test/contrib_ops/bias_softmax_op_test.cc",
        "test": "BiasSoftmaxTest.InnerBroadcastFullBiasBatch",
        "notes": "An 87.5-point logit gap leaves a positive subnormal probability tail after suffix softmax over data+bias."
      },
      "attrs": { "axis": 1, "is_inner_broadcast": 1 },
      "inputs": {
        "data": { "dtype": "float32", "shape": [1, 2], "data": { "kind": "values", "values": [0.0, -87.5] } },
        "bias": { "dtype": "float32", "shape": [1, 2], "data": { "kind": "values", "values": [0.0, 0.0] } }
      },
      "outputs": {
        "output": {
          "dtype": "float32",
          "shape": [1, 2],
          "tolerance": 2e-45,
          "relTolerance": 0,
          "data": { "kind": "values", "values": [1.0, 9.982351397596697e-39] }
        }
      }
    },
    {
      "name": "ort_outer_broadcast_empty_bias_batch",
      "provenance": {
        "source": "onnxruntime/test/contrib_ops/bias_softmax_op_test.cc",
        "test": "BiasSoftmaxTest.OuterBroadcastEmptyBiasBatch",
        "notes": "Compact deterministic projection where one outer-broadcast bias row is reused for every input batch."
      },
      "attrs": { "axis": -1, "is_inner_broadcast": 0 },
      "inputs": {
        "data": {
          "dtype": "float32",
          "shape": [2, 2, 3],
          "data": { "kind": "values", "values": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0] }
        },
        "bias": { "dtype": "float32", "shape": [1, 3], "data": { "kind": "values", "values": [0.0, 1.0, 2.0] } }
      },
      "outputs": {
        "output": {
          "dtype": "float32",
          "shape": [2, 2, 3],
          "tolerance": 0.000001,
          "relTolerance": 0.000001,
          "data": {
            "kind": "values",
            "values": [0.09003057317, 0.244728471055, 0.665240955775, 0.09003057317, 0.244728471055, 0.665240955775, 0.09003057317, 0.244728471055, 0.665240955775, 0.09003057317, 0.244728471055, 0.665240955775]
          }
        }
      }
    },
    {
      "name": "empty_zero_dim",
      "attrs": { "axis": 1, "is_inner_broadcast": 1 },
      "inputs": {
        "data": { "dtype": "float32", "shape": [0, 2, 2], "data": { "kind": "values", "values": [] } },
        "bias": { "dtype": "float32", "shape": [0, 2, 2], "data": { "kind": "values", "values": [] } }
      },
      "outputs": { "output": { "dtype": "float32", "shape": [0, 2, 2], "tolerance": 0 } }
    },
    {
      "name": "f16_default_axis_two_element_row",
      "attrs": { "is_inner_broadcast": 1 },
      "inputs": {
        "data": { "dtype": "float16", "shape": [1, 2], "data": { "kind": "values", "values": [0.0, 0.0] } },
        "bias": { "dtype": "float16", "shape": [1, 2], "data": { "kind": "values", "values": [0.0, 0.0] } }
      },
      "outputs": {
        "output": {
          "dtype": "float16",
          "shape": [1, 2],
          "tolerance": 0,
          "data": { "kind": "values", "values": [0.5, 0.5] }
        }
      }
    },
    {
      "name": "dispatch_cliff_rows_65537",
      "provenance": {
        "notes": "65,537 short rows cross the per-dimension workgroup limit. The packed route grid-strides over rows, while the generic route reconstructs row indices from a two-dimensional dispatch."
      },
      "attrs": { "axis": 1, "is_inner_broadcast": 0 },
      "inputs": {
        "data": {
          "dtype": "float32",
          "shape": [65537, 4],
          "data": { "kind": "cycle", "values": [0.1, 0.2, 0.3, 0.4, 0.5] }
        },
        "bias": { "dtype": "float32", "shape": [65537, 4], "data": { "kind": "constant", "value": 0.0 } }
      },
      "outputs": { "output": { "dtype": "float32", "shape": [65537, 4], "tolerance": 0.0001 } }
    },
    {
      "name": "fully_masked_row_neg_inf_bias",
      "provenance": {
        "notes": "The additive bias is -Infinity across the entire suffix block. The expected result uses the package's all-zero convention for a fully masked row, preventing NaNs from propagating into attention."
      },
      "attrs": { "axis": 1, "is_inner_broadcast": 0 },
      "inputs": {
        "data": { "dtype": "float32", "shape": [1, 4], "data": { "kind": "values", "values": [0.0, 0.0, 0.0, 0.0] } },
        "bias": {
          "dtype": "float32",
          "shape": [1, 4],
          "data": { "kind": "values", "values": ["-Infinity", "-Infinity", "-Infinity", "-Infinity"] }
        }
      },
      "outputs": {
        "output": {
          "dtype": "float32",
          "shape": [1, 4],
          "tolerance": 0.000001,
          "data": { "kind": "values", "values": [0.0, 0.0, 0.0, 0.0] }
        }
      }
    },
    {
      "name": "attn_rows_axis3_row1_all_neg_inf_bias_2x8x4x64",
      "provenance": {
        "notes": "Data has shape [2, 8, 4, 64], and bias [1, 1, 4, 64] uses outer broadcasting. Bias query row 1 is -Infinity at every key, so 16 of the 64 softmax rows are fully masked and must be all zero; the other rows remain finite. This operator's zero-denominator rule differs from applying ONNX Softmax directly to data plus bias, which would produce NaN for the fully masked rows."
      },
      "attrs": { "axis": 3, "is_inner_broadcast": 0 },
      "inputs": {
        "data": {
          "dtype": "float32",
          "shape": [2, 8, 4, 64],
          "data": { "kind": "fillFloat32", "scale": 0.5, "sinStep": 0.017, "cosStep": 0.031 }
        },
        "bias": {
          "dtype": "float32",
          "shape": [1, 1, 4, 64],
          "data": {
            "kind": "values",
            "values": [0.1, 0.1906, 0.2752, 0.3492, 0.4087, 0.4504, 0.4717, 0.4715, 0.4493, 0.4061, 0.3436, 0.265, 0.1738, 0.0744, -0.0283, -0.1293, -0.2239, -0.3075, -0.376, -0.4264, -0.4563, -0.4646, -0.4512, -0.417, -0.3642, -0.2957, -0.2155, -0.1278, -0.0373, 0.051, 0.1326, 0.2033, 0.2593, 0.2978, 0.3171, 0.3164, 0.2959, 0.2571, 0.2022, 0.1347, 0.0584, -0.0222, -0.1024, -0.1777, -0.2435, -0.296, -0.3319, -0.349, -0.3458, -0.3223, -0.2793, -0.2187, -0.1434, -0.0571, 0.0358, 0.1307, 0.2226, 0.3069, 0.379, 0.4352, 0.4725, 0.4887, 0.4829, 0.4552, "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", "-Infinity", 0.4895, 0.458, 0.4063, 0.3372, 0.2542, 0.1614, 0.0636, -0.0343, -0.1275, -0.2114, -0.282, -0.3358, -0.3705, -0.3848, -0.3781, -0.3515, -0.3066, -0.2464, -0.1744, -0.0948, -0.0122, 0.0686, 0.1431, 0.207, 0.2566, 0.2892, 0.3028, 0.2966, 0.2708, 0.2266, 0.1664, 0.0935, 0.0118, -0.0744, -0.1602, -0.2409, -0.3121, -0.3695, -0.41, -0.4309, -0.4307, -0.4092, -0.3669, -0.3056, -0.2282, -0.1382, -0.0401, 0.0616, 0.1619, 0.2557, 0.3387, 0.4067, 0.4564, 0.4856, 0.4928, 0.4779, 0.4417, 0.3864, 0.3147, 0.2305, 0.1381, 0.0423, -0.052, -0.1401, 0.271, 0.1834, 0.0902, -0.0037, -0.0937, -0.175, -0.2436, -0.2963, -0.3304, -0.3445, -0.3382, -0.3123, -0.2685, -0.2096, -0.139, -0.061, 0.0199, 0.0989, 0.1716, 0.2336, 0.2813, 0.3118, 0.3232, 0.3144, 0.2858, 0.2386, 0.1751, 0.0984, 0.0126, -0.078, -0.1685, -0.2541, -0.3303, -0.3928, -0.4382, -0.4639, -0.4683, -0.4508, -0.4119, -0.3534, -0.278, -0.1892, -0.0912, 0.0112, 0.1131, 0.2095, 0.2959, 0.3681, 0.4226, 0.4571, 0.4701, 0.4612, 0.4311, 0.3818, 0.316, 0.2374, 0.1503, 0.0592, -0.0309, -0.1153, -0.1897, -0.2502, -0.2939, -0.3186]
          }
        }
      },
      "outputs": {
        "output": { "dtype": "float32", "shape": [2, 8, 4, 64], "tolerance": 0.000001, "relTolerance": 0.000001 }
      }
    },
    {
      "name": "axis0_full_reduce_single_block",
      "provenance": {
        "notes": "With axis=0, one softmax block covers the whole tensor. The bias supplies one complete flattened row with shape [4,6]."
      },
      "attrs": { "axis": 0, "is_inner_broadcast": 0 },
      "inputs": {
        "data": { "dtype": "float32", "shape": [4, 6], "data": { "kind": "linspace", "start": -3.0, "end": 3.0 } },
        "bias": {
          "dtype": "float32",
          "shape": [4, 6],
          "data": {
            "kind": "values",
            "values": [0.5, -0.5, 1.0, -1.0, 0.25, -0.25, 0.5, -0.5, 1.0, -1.0, 0.25, -0.25, 0.5, -0.5, 1.0, -1.0, 0.25, -0.25, 0.5, -0.5, 1.0, -1.0, 0.25, -0.25]
          }
        }
      },
      "outputs": { "output": { "dtype": "float32", "shape": [4, 6], "tolerance": 0.000001, "relTolerance": 0.000001 } }
    },
    {
      "name": "bias_fold_skip_middle_dim_axis1",
      "provenance": {
        "notes": "Bias [1,3,4] broadcasts across the batch axis of data [2,3,4]. axis=1 reduces each 12-element suffix while the size-one bias axis is skipped during broadcast indexing."
      },
      "attrs": { "axis": 1, "is_inner_broadcast": 0 },
      "inputs": {
        "data": { "dtype": "float32", "shape": [2, 3, 4], "data": { "kind": "linspace", "start": -2.0, "end": 2.0 } },
        "bias": { "dtype": "float32", "shape": [1, 3, 4], "data": { "kind": "linspace", "start": -1.0, "end": 1.0 } }
      },
      "outputs": {
        "output": { "dtype": "float32", "shape": [2, 3, 4], "tolerance": 0.000001, "relTolerance": 0.000001 }
      }
    },
    {
      "name": "many_two_element_rows_axis1",
      "provenance": {
        "notes": "Many two-element softmax rows exercise the scalar-row fallback and folded dispatch accounting used by `biassoftmax-f32-launchbound-262144x2-axis1`."
      },
      "attrs": { "axis": 1, "is_inner_broadcast": 0 },
      "inputs": {
        "data": {
          "dtype": "float32",
          "shape": [4096, 2],
          "data": { "kind": "fillFloat32", "scale": 0.25, "sinStep": 0.17, "cosStep": 0.31 }
        },
        "bias": { "dtype": "float32", "shape": [1, 2], "data": { "kind": "values", "values": [0.125, -0.25] } }
      },
      "outputs": {
        "output": { "dtype": "float32", "shape": [4096, 2], "tolerance": 0.000001, "relTolerance": 0.000001 }
      }
    },
    {
      "name": "longrow_split_inner_broadcast_axis1_4x65536_groups2",
      "provenance": {
        "notes": "A long split row with consecutive inner-broadcast groups checks that each group reads the correct bias row across the full reduction."
      },
      "attrs": { "axis": 1, "is_inner_broadcast": 1 },
      "inputs": {
        "data": {
          "dtype": "float32",
          "shape": [4, 65536],
          "data": { "kind": "fillFloat32", "scale": 0.5, "sinStep": 0.0017, "cosStep": 0.0031 }
        },
        "bias": {
          "dtype": "float32",
          "shape": [2, 65536],
          "data": { "kind": "fillFloat32", "scale": 0.25, "sinStep": 0.0011, "cosStep": 0.0023 }
        }
      },
      "outputs": {
        "output": { "dtype": "float32", "shape": [4, 65536], "tolerance": 0.000001, "relTolerance": 0.00001 }
      }
    },
    {
      "name": "longrow_split_f16_axis1_4x65536_groups2",
      "provenance": {
        "notes": "Exercises float16 storage on the split long-row path over 65536 elements. A -30-to-0 ramp concentrates probability mass so normal float16 outputs and underflowing tail zeros coexist, while the row statistics remain in float32 scratch."
      },
      "attrs": { "axis": 1, "is_inner_broadcast": 1 },
      "inputs": {
        "data": { "dtype": "float16", "shape": [4, 65536], "data": { "kind": "linspace", "start": -30.0, "end": 0.0 } },
        "bias": { "dtype": "float16", "shape": [2, 65536], "data": { "kind": "constant", "value": 0.0 } }
      },
      "outputs": { "output": { "dtype": "float16", "shape": [4, 65536], "tolerance": 1e-7, "relTolerance": 0.01 } }
    },
    {
      "name": "attn_rows_axis2_4x64x256",
      "provenance": {
        "notes": "An attention-score layout with broadcast bias exercises many axis-2 softmax rows at a compact scale representative of `biassoftmax-f32-attn-32x512x512`."
      },
      "attrs": { "axis": 2, "is_inner_broadcast": 0 },
      "inputs": {
        "data": {
          "dtype": "float32",
          "shape": [4, 64, 256],
          "data": { "kind": "fillFloat32", "scale": 0.5, "sinStep": 0.017, "cosStep": 0.031 }
        },
        "bias": {
          "dtype": "float32",
          "shape": [1, 64, 256],
          "data": { "kind": "fillFloat32", "scale": 0.25, "sinStep": 0.011, "cosStep": 0.023 }
        }
      },
      "outputs": {
        "output": { "dtype": "float32", "shape": [4, 64, 256], "tolerance": 0.000001, "relTolerance": 0.000001 }
      }
    },
    {
      "name": "rank8_inner_broadcast_full_suffix_softmax",
      "attrs": { "axis": 1, "is_inner_broadcast": 1 },
      "inputs": {
        "data": {
          "dtype": "float32",
          "shape": [1, 2, 1, 2, 1, 2, 2, 2],
          "data": { "kind": "fillFloat32", "sinStep": 0.13, "cosStep": 0.27 }
        },
        "bias": {
          "dtype": "float32",
          "shape": [1, 2, 1, 2, 1, 2, 2, 2],
          "data": { "kind": "fillFloat32", "sinStep": 0.19, "cosStep": 0.11 }
        }
      },
      "outputs": { "output": { "dtype": "float32", "shape": [1, 2, 1, 2, 1, 2, 2, 2], "tolerance": 0.000002 } }
    }
  ]
}