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[js/webgpu] support customop FastGelu (#19392)
### Description Support WebGPU custom operator FastGelu.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| // Copyright (c) Microsoft Corporation. All rights reserved. | ||
| // Licensed under the MIT License. | ||
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| import {DataType} from '../../../wasm-common'; | ||
| import {TensorView} from '../../tensor-view'; | ||
| import {ShapeUtil} from '../../util'; | ||
| import {ComputeContext, ProgramInfo} from '../types'; | ||
|
|
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| import {inputVariable, outputVariable, ShaderHelper, tensorTypeToWsglValueType, UniformsArrayType, WORKGROUP_SIZE} from './common'; | ||
| import * as unary from './unary-op'; | ||
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| // GELU is defined as Y=0.5*X*(1+tanh(0.797885*X+0.035677*X*X*X)), where X may pre-add a bias. | ||
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| const createFastGeluProgramInfo = (inputTensors: readonly TensorView[]): ProgramInfo => { | ||
| const dataType = inputTensors[0].dataType; | ||
| const outputSize = ShapeUtil.size(inputTensors[0].dims); | ||
| const biasLength = ShapeUtil.size(inputTensors[1].dims); | ||
| // can only use vec4 when bias length is multiple of 4 | ||
| const useVec4 = biasLength % 4 === 0; | ||
| const getShaderSource = (shaderHelper: ShaderHelper): string => { | ||
| const x = inputVariable('x', dataType, [1], 4); | ||
| const bias = inputVariable('bias', dataType, [1], 4); | ||
| const y = outputVariable('y', dataType, [1], 4); | ||
|
|
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| const uniforms: UniformsArrayType = [{name: 'output_vec_size', type: 'u32'}, {name: 'bias_size', type: 'u32'}]; | ||
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| const singleElementBias = (i: 0|1|2|3) => ` | ||
| let bias${i}_offset: u32 = (global_idx * 4 + ${i}) % uniforms.bias_size; | ||
| let bias${i} = ${bias.getByOffset(`bias${i}_offset / 4`)}[bias${i}_offset % 4];`; | ||
| const biasGetExpression = useVec4 ? | ||
| ` | ||
| let bias = ${bias.getByOffset('global_idx % (uniforms.bias_size / 4)')};` : | ||
| `${singleElementBias(0)}${singleElementBias(1)}${singleElementBias(2)}${singleElementBias(3)} | ||
| let bias = ${x.type.value}(bias0, bias1, bias2, bias3);`; | ||
|
|
||
| return `${shaderHelper.registerUniforms(uniforms).declareVariables(x, bias, y)} | ||
| ${unary.fastGeluImpl(tensorTypeToWsglValueType(dataType))} | ||
| ${shaderHelper.mainStart(WORKGROUP_SIZE)} | ||
| ${shaderHelper.guardAgainstOutOfBoundsWorkgroupSizes('uniforms.output_vec_size')} | ||
| let x = ${x.getByOffset('global_idx')}; | ||
| ${biasGetExpression} | ||
| let x_in = x + bias; | ||
| ${y.setByOffset('global_idx', unary.fastGeluExpression('x_in'))} | ||
| }`; | ||
| }; | ||
|
|
||
| return { | ||
| name: 'FastGeluWithBias', | ||
| shaderCache: {hint: `${useVec4}`, inputDependencies: ['type', 'type']}, | ||
| getShaderSource, | ||
| getRunData: (inputs) => ({ | ||
| outputs: [{dims: inputs[0].dims, dataType: inputs[0].dataType}], | ||
| programUniforms: | ||
| [{type: DataType.uint32, data: Math.ceil(outputSize / 4)}, {type: DataType.uint32, data: biasLength}], | ||
| dispatchGroup: {x: Math.ceil(outputSize / WORKGROUP_SIZE / 4)} | ||
| }) | ||
| }; | ||
| }; | ||
|
|
||
| export const fastGelu = (context: ComputeContext): void => { | ||
| if (context.inputs.length < 2 || ShapeUtil.size(context.inputs[1].dims) === 0) { | ||
| unary.fastGelu(context); | ||
| } else { | ||
| context.compute(createFastGeluProgramInfo(context.inputs)); | ||
| } | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,211 @@ | ||
| [ | ||
| { | ||
| "name": "FastGelu test without bias", | ||
| "operator": "FastGelu", | ||
| "opset": { "domain": "com.microsoft", "version": 1 }, | ||
| "cases": [ | ||
| { | ||
| "name": "scalar", | ||
| "inputs": [ | ||
| { | ||
| "data": [1], | ||
| "dims": [], | ||
| "type": "float32" | ||
| } | ||
| ], | ||
| "outputs": [ | ||
| { | ||
| "data": [0.841192], | ||
| "dims": [], | ||
| "type": "float32" | ||
| } | ||
| ] | ||
| }, | ||
| { | ||
| "name": "[2x4]", | ||
| "inputs": [ | ||
| { | ||
| "data": [0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8], | ||
| "dims": [2, 4], | ||
| "type": "float32" | ||
| } | ||
| ], | ||
| "outputs": [ | ||
| { | ||
| "data": [0.0539828, 0.115851, 0.185371, 0.262161, 0.345714, 0.435415, 0.53057, 0.630432], | ||
| "dims": [2, 4], | ||
| "type": "float32" | ||
| } | ||
| ] | ||
| }, | ||
| { | ||
| "name": "[3x5]", | ||
| "inputs": [ | ||
| { | ||
| "data": [0.1, 0.2, 0.3, 0.4, 0.5, 1, 2, 3, 4, 5, 1.1, 1.2, 1.3, 1.4, 1.5], | ||
| "dims": [3, 5], | ||
| "type": "float32" | ||
| } | ||
| ], | ||
| "outputs": [ | ||
| { | ||
| "data": [ | ||
| 0.0539828, 0.115851, 0.185371, 0.262161, 0.345714, 0.841192, 1.9546, 2.99636, 3.99993, 5, 0.950581, | ||
| 1.0617, 1.17393, 1.28671, 1.39957 | ||
| ], | ||
| "dims": [3, 5], | ||
| "type": "float32" | ||
| } | ||
| ] | ||
| } | ||
| ] | ||
| }, | ||
| { | ||
| "name": "FastGelu test with bias", | ||
| "operator": "FastGelu", | ||
| "opset": { "domain": "com.microsoft", "version": 1 }, | ||
| "cases": [ | ||
| { | ||
| "name": "scalar", | ||
| "inputs": [ | ||
| { | ||
| "data": [1], | ||
| "dims": [], | ||
| "type": "float32" | ||
| }, | ||
| { | ||
| "data": [0.5], | ||
| "dims": [], | ||
| "type": "float32" | ||
| } | ||
| ], | ||
| "outputs": [ | ||
| { | ||
| "data": [1.39957], | ||
| "dims": [], | ||
| "type": "float32" | ||
| } | ||
| ] | ||
| }, | ||
| { | ||
| "name": "[2x4], [4]", | ||
| "inputs": [ | ||
| { | ||
| "data": [0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8], | ||
| "dims": [2, 4], | ||
| "type": "float32" | ||
| }, | ||
| { | ||
| "data": [1, 2, 3, 4], | ||
| "dims": [4], | ||
| "type": "float32" | ||
| } | ||
| ], | ||
| "outputs": [ | ||
| { | ||
| "data": [0.950581, 2.16968, 3.29869, 4.39999, 1.39957, 2.58835, 3.69973, 4.8], | ||
| "dims": [2, 4], | ||
| "type": "float32" | ||
| } | ||
| ] | ||
| }, | ||
| { | ||
| "name": "[2x4], [3]", | ||
| "inputs": [ | ||
| { | ||
| "data": [0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8], | ||
| "dims": [2, 4], | ||
| "type": "float32" | ||
| }, | ||
| { | ||
| "data": [1, 2, 3], | ||
| "dims": [3], | ||
| "type": "float32" | ||
| } | ||
| ], | ||
| "outputs": [ | ||
| { | ||
| "data": [0.950581, 2.16968, 3.29869, 1.28671, 2.48492, 3.59959, 1.62411, 2.79331], | ||
| "dims": [2, 4], | ||
| "type": "float32" | ||
| } | ||
| ] | ||
| }, | ||
| { | ||
| "name": "[3x5], [2]", | ||
| "inputs": [ | ||
| { | ||
| "data": [0.1, 0.2, 0.3, 0.4, 0.5, 1, 2, 3, 4, 5, 1.1, 1.2, 1.3, 1.4, 1.5], | ||
| "dims": [3, 5], | ||
| "type": "float32" | ||
| }, | ||
| { | ||
| "data": [2, 3], | ||
| "dims": [2], | ||
| "type": "float32" | ||
| } | ||
| ], | ||
| "outputs": [ | ||
| { | ||
| "data": [ | ||
| 2.06267, 3.19813, 2.27567, 3.39909, 2.48492, 3.99993, 3.99993, 6, 6, 8, 3.09737, 4.19997, 3.29869, | ||
| 4.39999, 3.49938 | ||
| ], | ||
| "dims": [3, 5], | ||
| "type": "float32" | ||
| } | ||
| ] | ||
| }, | ||
| { | ||
| "name": "[3x5], [7]", | ||
| "inputs": [ | ||
| { | ||
| "data": [0.1, 0.2, 0.3, 0.4, 0.5, 1, 2, 3, 4, 5, 1.1, 1.2, 1.3, 1.4, 1.5], | ||
| "dims": [3, 5], | ||
| "type": "float32" | ||
| }, | ||
| { | ||
| "data": [2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7], | ||
| "dims": [7], | ||
| "type": "float32" | ||
| } | ||
| ], | ||
| "outputs": [ | ||
| { | ||
| "data": [ | ||
| 2.16968, 2.38072, 2.58835, 2.79331, 2.99636, 3.59959, 4.7, 5.1, 6.2, 7.3, 3.49938, 3.69973, 3.89989, | ||
| 4.09996, 3.59959 | ||
| ], | ||
| "dims": [3, 5], | ||
| "type": "float32" | ||
| } | ||
| ] | ||
| }, | ||
| { | ||
| "name": "[4x4], [8]", | ||
| "inputs": [ | ||
| { | ||
| "data": [0.8, -0.5, 0.0, 1, 1.3, 2.1, -0.2, 1.1, 0.5, 0.2, 0.3, -0.6, 3.1, 2.2, -1.1, 0.0], | ||
| "dims": [4, 4], | ||
| "type": "float32" | ||
| }, | ||
| { | ||
| "data": [-0.5, 0.6, 1.2, 2.1, 1.3, -1, 0, 3.1], | ||
| "dims": [8], | ||
| "type": "float32" | ||
| } | ||
| ], | ||
| "outputs": [ | ||
| { | ||
| "data": [ | ||
| 0.185371, 0.0539828, 1.0617, 3.09737, 2.58835, 0.950581, -0.0841486, 4.19997, 0, 0.630432, 1.39957, | ||
| 1.39957, 4.39999, 1.0617, -0.149419, 3.09737 | ||
| ], | ||
| "dims": [4, 4], | ||
| "type": "float32" | ||
| } | ||
| ] | ||
| } | ||
| ] | ||
| } | ||
| ] |
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