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chenyc

2025-02-12 ea42ff3ebee1eeb3fb29423aa848a249441db81c

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/**
 * @license
 * Copyright 2020 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */
import { backend_util, DepthwiseConv2dNative, env, util } from '@tensorflow/tfjs-core';
import { DepthwiseConv2DProgram } from '../conv_gpu_depthwise';
import { DepthwiseConvPacked2DProgram } from '../conv_packed_gpu_depthwise';
export function depthwiseConv2dNative(args) {
    const { inputs, backend, attrs } = args;
    const { x, filter } = inputs;
    const { strides, pad, dilations, dimRoundingMode } = attrs;
    let $dilations = dilations;
    if ($dilations == null) {
        $dilations = [1, 1];
    }
    util.assert(backend_util.eitherStridesOrDilationsAreOne(strides, $dilations), () => 'Error in depthwiseConv2d: Either strides or dilations must be ' +
        `1. Got strides ${strides} and dilations '${$dilations}'`);
    const convInfo = backend_util.computeConv2DInfo(x.shape, filter.shape, strides, $dilations, pad, dimRoundingMode, true /* depthwise */);
    let program;
    if (env().getBool('WEBGL_PACK_DEPTHWISECONV') && convInfo.strideWidth <= 2 &&
        convInfo.outChannels / convInfo.inChannels === 1) {
        program = new DepthwiseConvPacked2DProgram(convInfo);
    }
    else {
        program = new DepthwiseConv2DProgram(convInfo);
    }
    const customValues = [
        [convInfo.padInfo.top, convInfo.padInfo.left],
        [convInfo.strideHeight, convInfo.strideWidth],
        [convInfo.dilationHeight, convInfo.dilationWidth],
        [convInfo.inHeight, convInfo.inWidth]
    ];
    return backend.runWebGLProgram(program, [x, filter], 'float32', customValues);
}
export const depthwiseConv2dNativeConfig = {
    kernelName: DepthwiseConv2dNative,
    backendName: 'webgl',
    kernelFunc: depthwiseConv2dNative,
};
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