/*******************************************************************************
* Copyright (c) 2019 Konduit K.K.
*
* 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 Yurii Shyrma (iuriish@yahoo.com)
//
#include "cudnnUtils.h"
#include <ops/declarable/helpers/convolutions.h>
namespace sd {
namespace ops {
namespace platforms {
//////////////////////////////////////////////////////////////////////////
PLATFORM_IMPL(avgpool2d, ENGINE_CUDA) {
auto input = INPUT_VARIABLE(0);
auto output = OUTPUT_VARIABLE(0);
// 0,1 - kernel Height/Width; 2,3 - stride Height/Width; 4,5 - pad Height/Width; 6,7 - dilation Height/Width; 8 - same mode;
const auto kH = INT_ARG(0);
const auto kW = INT_ARG(1);
const auto sH = INT_ARG(2);
const auto sW = INT_ARG(3);
auto pH = INT_ARG(4);
auto pW = INT_ARG(5);
const auto dH = INT_ARG(6);
const auto dW = INT_ARG(7);
const auto paddingMode = static_cast<bool>(INT_ARG(8));
const auto extraParam0 = INT_ARG(9);
const int isNCHW = block.getIArguments()->size() > 10 ? !INT_ARG(10) : 1; // INT_ARG(10): 0-NCHW, 1-NHWC
REQUIRE_TRUE(input->rankOf() == 4, 0, "AVGPOOL2D CUDNN op: input should have rank of 4, but got %i instead", input->rankOf());
REQUIRE_TRUE(dH != 0 && dW != 0, 0, "AVGPOOL2D CUDNN op: dilation must not be zero, but got instead {%i, %i}", dH, dW);
int oH = 0;
int oW = 0;
const int iH = static_cast<int>(isNCHW ? input->sizeAt(2) : input->sizeAt(1));
const int iW = static_cast<int>(isNCHW ? input->sizeAt(3) : input->sizeAt(2));
ConvolutionUtils::calcOutSizePool2D(oH, oW, kH, kW, sH, sW, pH, pW, dH, dW, iH, iW, paddingMode);
if (paddingMode)
ConvolutionUtils::calcPadding2D(pH, pW, oH, oW, iH, iW, kH, kW, sH, sW, dH, dW);
const cudnnPoolingMode_t mode = (extraParam0 == 0) ? CUDNN_POOLING_AVERAGE_COUNT_EXCLUDE_PADDING : CUDNN_POOLING_AVERAGE_COUNT_INCLUDE_PADDING;
pooling2dCUDNN(block.launchContext(), input, output, kH, kW, sH, sW, pH, pW, dH, dW, isNCHW, mode);
return Status::OK();
}
//////////////////////////////////////////////////////////////////////////
PLATFORM_CHECK(avgpool2d, ENGINE_CUDA) {
auto input = INPUT_VARIABLE(0);
auto output = OUTPUT_VARIABLE(0);
const auto goodType = input->dataType() == DataType::DOUBLE || input->dataType() == DataType::FLOAT32 || input->dataType() == DataType::HALF || input->dataType() == DataType::INT32;
return goodType && input->dataType() == output->dataType();
}
//////////////////////////////////////////////////////////////////////////
PLATFORM_IMPL(avgpool2d_bp, ENGINE_CUDA) {
auto input = INPUT_VARIABLE(0); // [bS, iH, iW, iC] (NHWC) or [bS, iC, iH, iW] (NCHW)
auto gradO = INPUT_VARIABLE(1); // [bS, oH, oW, oC] (NHWC) or [bS, oC, oH, oW] (NCHW), epsilon_next
auto gradI = OUTPUT_VARIABLE(0); // [bS, iH, iW, iC] (NHWC) or [bS, iC, iH, iW] (NCHW), epsilon
const auto kH = INT_ARG(0); // filter(kernel) height
const auto kW = INT_ARG(1); // filter(kernel) width
const auto sH = INT_ARG(2); // strides height
const auto sW = INT_ARG(3); // strides width
auto pH = INT_ARG(4); // paddings height
auto pW = INT_ARG(5); // paddings width
const auto dH = INT_ARG(6); // dilations height
const auto dW = INT_ARG(7); // dilations width
const auto paddingMode = INT_ARG(8); // 0-VALID, 1-SAME
const auto extraParam0 = INT_ARG(9);
const auto isNCHW = block.getIArguments()->size() > 10 ? !INT_ARG(10) : 1; // INT_ARG(10): 0-NCHW, 1-NHWC
REQUIRE_TRUE(input->rankOf() == 4, 0, "AVGPOOL2D_BP CUDNN op: input should have rank of 4, but got %i instead", input->rankOf());
REQUIRE_TRUE(dH != 0 && dW != 0, 0, "AVGPOOL2D_BP CUDNN op: dilation must not be zero, but got instead {%i, %i}", dH, dW);
int bS, iC, iH, iW, oC, oH, oW; // batch size, input channels, input height/width, output channels, output height/width;
int indIOioC, indIiH, indWoC, indWiC, indWkH, indOoH; // corresponding indexes
ConvolutionUtils::getSizesAndIndexesConv2d(isNCHW, 0, *input, *gradO, bS, iC, iH, iW, oC, oH, oW, indIOioC, indIiH, indWiC, indWoC, indWkH, indOoH);
std::vector<Nd4jLong> expectedGradOShape = ShapeUtils::composeShapeUsingDimsAndIdx({bS,iC,oH,oW, 0,indIOioC,indIiH,indIiH+1});
std::vector<Nd4jLong> expectedGradIShape = ShapeUtils::composeShapeUsingDimsAndIdx({bS,iC,iH,iW, 0,indIOioC,indIiH,indIiH+1});
REQUIRE_TRUE(gradO->isSameShape(expectedGradOShape), 0, "AVGPOOL2D_BP CUDNN op: wrong shape of output's gradients array (next epsilon), expected is %s, but got %s instead !", ShapeUtils::shapeAsString(expectedGradOShape).c_str(), ShapeUtils::shapeAsString(gradO).c_str());
REQUIRE_TRUE(gradI->isSameShape(expectedGradIShape), 0, "AVGPOOL2D_BP CUDNN op: wrong shape of input's gradients array (epsilon), expected is %s, but got %s instead !", ShapeUtils::shapeAsString(expectedGradIShape).c_str(), ShapeUtils::shapeAsString(gradI).c_str());
if(paddingMode) // SAME
ConvolutionUtils::calcPadding2D(pH, pW, oH, oW, iH, iW, kH, kW, sH, sW, dH, dW);
const cudnnPoolingMode_t mode = (extraParam0 == 0) ? CUDNN_POOLING_AVERAGE_COUNT_EXCLUDE_PADDING : CUDNN_POOLING_AVERAGE_COUNT_INCLUDE_PADDING;
pooling2dBpCUDNN(block.launchContext(), input, gradO, gradI, kH, kW, sH, sW, pH, pW, dH, dW, isNCHW, mode);
return Status::OK();
}
PLATFORM_CHECK(avgpool2d_bp, ENGINE_CUDA) {
auto input = INPUT_VARIABLE(0); // [bS, iH, iW, iC] (NHWC) or [bS, iC, iH, iW] (NCHW)
auto gradO = INPUT_VARIABLE(1); // [bS, oH, oW, oC] (NHWC) or [bS, oC, oH, oW] (NCHW), epsilon_next
auto gradI = OUTPUT_VARIABLE(0); // [bS, iH, iW, iC] (NHWC) or [bS, iC, iH, iW] (NCHW), epsilon
const auto goodType = input->dataType() == DataType::DOUBLE || input->dataType() == DataType::FLOAT32 || input->dataType() == DataType::HALF || input->dataType() == DataType::INT32;
return goodType && (input->dataType() == gradO->dataType())
&& (input->dataType() == gradI->dataType())
&& shape::haveSameShapeAndStrides(input->shapeInfo(), gradI->shapeInfo());
}
}
}
}