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FusedDepthwiseConv2D.ts
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FusedDepthwiseConv2D.ts
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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 {FusedDepthwiseConv2D, FusedDepthwiseConv2DAttrs, FusedDepthwiseConv2DInputs, KernelConfig, KernelFunc, TensorInfo} from '@tensorflow/tfjs-core';
import {MathBackendCPU} from '../backend_cpu';
import {applyActivation} from '../utils/fused_utils';
import {add} from './Add';
import {depthwiseConv2dNative} from './DepthwiseConv2dNative';
export function fusedDepthwiseConv2D(args: {
inputs: FusedDepthwiseConv2DInputs,
backend: MathBackendCPU,
attrs: FusedDepthwiseConv2DAttrs
}): TensorInfo {
const {inputs, backend, attrs} = args;
const {x, filter, bias, preluActivationWeights} = inputs;
const {
strides,
pad,
dataFormat,
dilations,
dimRoundingMode,
activation,
leakyreluAlpha
} = attrs;
let result = depthwiseConv2dNative({
inputs: {x, filter},
backend,
attrs: {strides, pad, dataFormat, dilations, dimRoundingMode}
});
if (bias) {
const oldResult = result;
result = add({inputs: {a: result, b: bias}, backend}) as TensorInfo;
backend.disposeIntermediateTensorInfo(oldResult);
}
if (activation) {
const oldResult = result;
result = applyActivation(
backend, result, activation, preluActivationWeights, leakyreluAlpha);
backend.disposeIntermediateTensorInfo(oldResult);
}
return result;
}
export const fusedDepthwiseConv2DConfig: KernelConfig = {
kernelName: FusedDepthwiseConv2D,
backendName: 'cpu',
kernelFunc: fusedDepthwiseConv2D as unknown as KernelFunc
};