115 lines
3.9 KiB
C++
115 lines
3.9 KiB
C++
/*******************************************************************************
|
|
* Copyright (c) 2015-2018 Skymind, Inc.
|
|
*
|
|
* This program and the accompanying materials are made available under the
|
|
* terms of the Apache License, Version 2.0 which is available at
|
|
* https://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.
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
******************************************************************************/
|
|
|
|
//
|
|
// @author raver119@gmail.com
|
|
// @author Yurii Shyrma (iuriish@yahoo.com)
|
|
//
|
|
|
|
#include <system/op_boilerplate.h>
|
|
#if NOT_EXCLUDED(OP_biasadd)
|
|
|
|
#include <ops/declarable/CustomOperations.h>
|
|
#include<ops/declarable/helpers/addBias.h>
|
|
|
|
namespace sd {
|
|
namespace ops {
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
CUSTOM_OP_IMPL(biasadd, 2, 1, true, 0, 0) {
|
|
|
|
auto input = INPUT_VARIABLE(0);
|
|
auto bias = INPUT_VARIABLE(1);
|
|
|
|
auto output = OUTPUT_VARIABLE(0);
|
|
|
|
const bool isNCHW = !block.getBArguments()->empty() ? B_ARG(0) : false;
|
|
const int channelDim = isNCHW ? 1 : input->rankOf() - 1; // second or last
|
|
|
|
REQUIRE_TRUE(bias->rankOf() == 1, 0, "BIASADD CUSTOM_OP: bias array should have rank = 1, but got %i instead !", bias->rankOf());
|
|
|
|
REQUIRE_TRUE(bias->sizeAt(0) == input->sizeAt(channelDim), 0, "BIASADD CUSTOM_OP: shapes of bias %s and input %s arrays are not suitable for broadcast operation along channel dimension %i !", ShapeUtils::shapeAsString(bias).c_str(), ShapeUtils::shapeAsString(input).c_str(), channelDim);
|
|
|
|
REQUIRE_TRUE(output->isSameShape(input), 0, "BIASADD CUSTOM_OP: wrong shape of output array, expected is %s but got %s instead !", ShapeUtils::shapeAsString(input).c_str(), ShapeUtils::shapeAsString(output).c_str());
|
|
|
|
helpers::addBias(block, *input, *bias, *output, isNCHW);
|
|
// input->applyBroadcast(sd::broadcast::Add, {channelDim}, bias, output);
|
|
|
|
return Status::OK();
|
|
}
|
|
DECLARE_SYN(bias_add, biasadd);
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
DECLARE_SHAPE_FN(biasadd) {
|
|
auto xShape = inputShape->at(0);
|
|
auto yShape = inputShape->at(1);
|
|
|
|
auto dtype = ArrayOptions::dataType(yShape);
|
|
return SHAPELIST(ConstantShapeHelper::getInstance().createShapeInfo(ShapeDescriptor(xShape, dtype)));
|
|
}
|
|
|
|
DECLARE_TYPES(biasadd) {
|
|
getOpDescriptor()
|
|
->setAllowedInputTypes(sd::DataType::ANY)
|
|
->setAllowedOutputTypes({ALL_FLOATS});
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
CUSTOM_OP_IMPL(biasadd_bp, 3, 2, false, 0, 0) {
|
|
|
|
auto input = INPUT_VARIABLE(0);
|
|
auto bias = INPUT_VARIABLE(1);
|
|
auto gradO = INPUT_VARIABLE(2);
|
|
|
|
auto gradI = OUTPUT_VARIABLE(0);
|
|
auto gradB = OUTPUT_VARIABLE(1);
|
|
|
|
const bool isNCHW = !block.getBArguments()->empty() ? B_ARG(0) : false;
|
|
const int channelDim = isNCHW ? 1 : input->rankOf() - 1; // second or last
|
|
|
|
gradI->assign(gradO);
|
|
|
|
gradO->reduceAlongDimension(sd::reduce::Sum, *gradB, ShapeUtils::evalDimsToExclude(gradO->rankOf(), {channelDim}));
|
|
|
|
return ND4J_STATUS_OK;
|
|
}
|
|
DECLARE_SYN(BiasAddGrad, biasadd_bp);
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
DECLARE_SHAPE_FN(biasadd_bp) {
|
|
auto input = inputShape->at(0);
|
|
auto bias = inputShape->at(1);
|
|
|
|
Nd4jLong* epsShape;
|
|
Nd4jLong* gradShape;
|
|
|
|
COPY_SHAPE(input, epsShape);
|
|
COPY_SHAPE(bias, gradShape);
|
|
|
|
return SHAPELIST(CONSTANT(epsShape), CONSTANT(gradShape));
|
|
}
|
|
|
|
DECLARE_TYPES(biasadd_bp) {
|
|
getOpDescriptor()
|
|
->setAllowedInputTypes(sd::DataType::ANY)
|
|
->setAllowedOutputTypes({ALL_FLOATS});
|
|
}
|
|
|
|
|
|
}
|
|
}
|
|
|
|
#endif |