tasq/node_modules/onnxruntime-web/lib/onnxjs/backends/webgl/ops/conv-pack.ts

51 lines
2.4 KiB
TypeScript

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
import {Tensor} from '../../../tensor';
import {WebGLInferenceHandler} from '../inference-handler';
import {calculateOutputShape, ConvAttributes} from './conv';
import {createPackedIm2ColProgramInfoLoader} from './im2col-pack';
import {createPackedMatmulProgramInfoLoader} from './matmul-pack';
export const conv2DPackedPointwise =
(inferenceHandler: WebGLInferenceHandler, inputs: readonly Tensor[], attributes: ConvAttributes): Tensor => {
const xshape = inputs[0].dims;
const kshape = inputs[1].dims;
const outputShape =
calculateOutputShape(xshape, kshape, attributes.dilations, attributes.pads, attributes.strides);
const reshapedX = inferenceHandler.reshapePacked(inputs[0], [xshape[1], xshape[2] * xshape[3]]);
const reshapedK = inferenceHandler.reshapePacked(inputs[1], [kshape[0], kshape[1]]);
const matmulInputs = inputs.length > 2 ? [reshapedK, reshapedX, inputs[2]] : [reshapedK, reshapedX];
const matmulOutput = inferenceHandler.run(
createPackedMatmulProgramInfoLoader(inferenceHandler, matmulInputs, attributes), matmulInputs);
return inferenceHandler.reshapePacked(matmulOutput, outputShape);
};
export const conv2DPacked =
(inferenceHandler: WebGLInferenceHandler, inputs: readonly Tensor[], attributes: ConvAttributes): Tensor => {
const xshape = inputs[0].dims;
const kshape = inputs[1].dims;
const outputShape =
calculateOutputShape(xshape, kshape, attributes.dilations, attributes.pads, attributes.strides);
// run im2col
const im2colOutput = inferenceHandler.run(
createPackedIm2ColProgramInfoLoader(inferenceHandler, inputs[0], inputs[1], outputShape, attributes),
[inputs[0]]);
// reshape kernel
const kernelReshaped = inferenceHandler.reshapePacked(inputs[1], [kshape[0], kshape[1] * kshape[2] * kshape[3]]);
// run matmul
const matmulInputs =
(inputs.length === 3) ? [kernelReshaped, im2colOutput, inputs[2]] : [kernelReshaped, im2colOutput];
const matmulOutput = inferenceHandler.run(
createPackedMatmulProgramInfoLoader(inferenceHandler, matmulInputs, attributes), matmulInputs);
// reshape output
const outputReshaped = inferenceHandler.reshapePacked(matmulOutput, outputShape);
return outputReshaped;
};