File size: 5,187 Bytes
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"domain": "com.microsoft",
"name": "GemmaRotaryEmbedding",
"sinceVersion": 1,
"inputs": {
"embT": { "onnx": "emb", "dtype": "U", "rank": 3, "storage": "float32" },
"qT": { "onnx": "q", "dtype": "T", "rank": 4 },
"qRotT": { "onnx": "q_rot", "dtype": "T", "rank": 4 },
"kT": { "onnx": "k", "dtype": "T", "rank": 4 },
"kRotT": { "onnx": "k_rot", "dtype": "T", "rank": 4 }
},
"outputs": {
"output1T": { "onnx": "output1", "dtype": "T", "rank": "ranks.qT", "shape": "shapes.qT" },
"output2T": { "onnx": "output2", "dtype": "T", "rank": "ranks.qT", "shape": "shapes.qT" }
},
"typeConstraints": { "T": ["float16"], "U": ["float32"] },
"tunables": { "workgroupSize": { "default": 256 } },
"derive": {
"batchSize": "dim(shapes.qT, 0)",
"numHeads": "dim(shapes.qT, 1)",
"seqLen": "dim(shapes.qT, 2)",
"headDim": "dim(shapes.qT, 3)",
"sameAsQ": "ranks.qRotT == 4 and ranks.kT == 4 and ranks.kRotT == 4 and sameShape(shapes.qRotT, shapes.qT) and sameShape(shapes.kT, shapes.qT) and sameShape(shapes.kRotT, shapes.qT)",
"dtypesMatch": "tensorDtypes.qRotT == tensorDtypes.qT and tensorDtypes.kT == tensorDtypes.qT and tensorDtypes.kRotT == tensorDtypes.qT and tensorDtypes.output1T == tensorDtypes.qT and tensorDtypes.output2T == tensorDtypes.qT",
"contract": "ranks.qT == 4 and ranks.embT == 3 and sameAsQ and dtypesMatch and tensorDtypes.qT == \"float16\" and f16Ok(dtypes.T) and tensorDtypes.embT == \"float32\" and dim(shapes.embT, 0) == batchSize and dim(shapes.embT, 1) == seqLen and dim(shapes.embT, 2) == headDim and sameShape(shapes.output1T, shapes.qT) and sameShape(shapes.output2T, shapes.qT)",
"vec4Ok": "(seqLen * headDim) % 4 == 0"
},
"when": ["contract", "tunables.workgroupSize >= 1", "floor(tunables.workgroupSize) == tunables.workgroupSize", "tunables.workgroupSize <= device.limits.maxComputeInvocationsPerWorkgroup", "tunables.workgroupSize <= device.limits.maxComputeWorkgroupSizeX"],
"variants": [
{
"id": "vec4",
"priority": 10,
"when": ["vec4Ok"],
"requires": { "features": ["shader-f16"] },
"derive": {
"vec4": true,
"scalar": "dtypes.T",
"vector": "\"vec4<f16>\"",
"workgroupSize": "tunables.workgroupSize"
},
"passes": [
{
"id": "main",
"name": "GemmaRotaryEmbedding.Vec4",
"shader": "gemma-rotary-embedding.wgsl.jinja",
"bindings": [
{ "arg": "embT", "name": "emb", "elementType": "vec4<f32>" },
{ "arg": "qT", "name": "q", "elementType": "$vector" },
{ "arg": "qRotT", "name": "q_rot", "elementType": "$vector" },
{ "arg": "kT", "name": "k", "elementType": "$vector" },
{ "arg": "kRotT", "name": "k_rot", "elementType": "$vector" },
{ "arg": "output1T", "name": "output1", "elementType": "$vector" },
{ "arg": "output2T", "name": "output2", "elementType": "$vector" },
{
"name": "params",
"struct": [
{ "name": "count", "type": "u32", "value": "numel(shapes.qT) / 4" },
{ "name": "seqDim", "type": "u32", "value": "(seqLen * headDim) / 4" },
{ "name": "headSeqDim", "type": "u32", "value": "(numHeads * seqLen * headDim) / 4" }
]
}
],
"dispatch": {
"x": "min(ceilDiv((numel(shapes.qT) / 4), (workgroupSize)), 65535)",
"y": "ceilDiv(ceilDiv((numel(shapes.qT) / 4), (workgroupSize)), 65535)",
"z": 1
}
}
]
},
{
"id": "scalar",
"priority": 0,
"requires": { "features": ["shader-f16"] },
"derive": {
"vec4": false,
"scalar": "dtypes.T",
"vector": "\"vec4<f16>\"",
"workgroupSize": "tunables.workgroupSize"
},
"passes": [
{
"id": "main",
"name": "GemmaRotaryEmbedding",
"shader": "gemma-rotary-embedding.wgsl.jinja",
"bindings": [
{ "arg": "embT", "name": "emb" },
{ "arg": "qT", "name": "q", "elementType": "$scalar" },
{ "arg": "qRotT", "name": "q_rot", "elementType": "$scalar" },
{ "arg": "kT", "name": "k", "elementType": "$scalar" },
{ "arg": "kRotT", "name": "k_rot", "elementType": "$scalar" },
{ "arg": "output1T", "name": "output1", "elementType": "$scalar" },
{ "arg": "output2T", "name": "output2", "elementType": "$scalar" },
{
"name": "params",
"struct": [
{ "name": "count", "type": "u32", "value": "numel(shapes.qT)" },
{ "name": "seqDim", "type": "u32", "value": "(seqLen * headDim)" },
{ "name": "headSeqDim", "type": "u32", "value": "(numHeads * seqLen * headDim)" }
]
}
],
"dispatch": {
"x": "min(ceilDiv((max(1, numel(shapes.qT))), (workgroupSize)), 65535)",
"y": "ceilDiv(ceilDiv((max(1, numel(shapes.qT))), (workgroupSize)), 65535)",
"z": 1
}
}
]
}
]
}
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