wehub-resource-sync
144 lines
5.3 KiB
Plaintext
144 lines
5.3 KiB
Plaintext
/* ******************************************************************************
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*
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*
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* This program and the accompanying materials are made available under the
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* terms of the Apache License, Version 2.0 which is available at
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* https://www.apache.org/licenses/LICENSE-2.0.
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*
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* See the NOTICE file distributed with this work for additional
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* information regarding copyright ownership.
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* SPDX-License-Identifier: Apache-2.0
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******************************************************************************/
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//
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// @author Yurii Shyrma (iuriish@yahoo.com)
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//
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#include <array/DataTypeUtils.h>
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#include <helpers/PointersManager.h>
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#include <ops/declarable/helpers/dilation2d.h>
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#include "execution/cuda/LaunchDims.h"
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namespace sd {
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namespace ops {
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namespace helpers {
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//////////////////////////////////////////////////////////////////////////
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template <typename X, typename Z>
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SD_KERNEL static void dilation2dCuda(const void* vx, const LongType* xShapeInfo, const void* vy,
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const LongType* yShapeInfo, void* vz, const LongType* zShapeInfo,
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const int sH, const int sW, const int pH, const int pW, const int dH,
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const int dW) {
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// x [bS, iH, iW, iC]
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// y [kH, kW, iC]
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// z [bS, oH, oW, iC]
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const X* x = reinterpret_cast<const X*>(vx);
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const X* y = reinterpret_cast<const X*>(vy);
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Z* z = reinterpret_cast<Z*>(vz);
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__shared__ LongType xRank, yRank, zRank;
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__shared__ const LongType *xShape, *xStride, *yShape, *yStride, *zShape, *zStride;
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__shared__ LongType iH, iW, kH, kW, zLen;
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if (threadIdx.x == 0) {
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xRank = shape::rank(xShapeInfo);
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yRank = shape::rank(yShapeInfo);
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zRank = shape::rank(zShapeInfo);
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xShape = shape::shapeOf(xShapeInfo);
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xStride = shape::stride(xShapeInfo);
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yShape = shape::shapeOf(yShapeInfo);
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yStride = shape::stride(yShapeInfo);
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zShape = shape::shapeOf(zShapeInfo);
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zStride = shape::stride(zShapeInfo);
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zLen = shape::length(zShapeInfo);
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iH = xShape[1];
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iW = xShape[2];
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kH = yShape[0];
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kW = yShape[1];
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}
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__syncthreads();
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const auto zInd = threadIdx.x + blockIdx.x * blockDim.x;
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if (zInd >= zLen) return;
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LongType zCoords[SD_MAX_RANK];
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LongType yCoords[SD_MAX_RANK];
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LongType xCoords[SD_MAX_RANK];
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LongType zOffset;
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INDEX2COORDS(zInd, zRank, zShape, zCoords);
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COORDS2INDEX(zRank, zStride, zCoords, zOffset);
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yCoords[2] = zCoords[3]; // iC coordinate is the same for x, y, and z
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const auto oh = zCoords[1];
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const auto ow = zCoords[2];
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X max = -DataTypeUtils::max<X>();
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for (yCoords[0] = 0; yCoords[0] < kH; ++yCoords[0]) {
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xCoords[1] = oh * sH - pH + yCoords[0] * dH;
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if (xCoords[1] < 0 || xCoords[1] >= iH) continue;
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for (yCoords[1] = 0; yCoords[1] < kW; ++yCoords[1]) {
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xCoords[2] = ow * sW - pW + yCoords[1] * dW;
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if (xCoords[2] < 0 || xCoords[2] >= iW) continue;
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LongType xOffset, yOffset;
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COORDS2INDEX(xRank, xStride, xCoords, xOffset);
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COORDS2INDEX(yRank, yStride, yCoords, yOffset);
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const X val = x[xOffset] + y[yOffset];
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if (val > max) max = val;
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}
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}
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z[zOffset] = static_cast<Z>(max);
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}
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//////////////////////////////////////////////////////////////////////////
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template <typename X, typename Z>
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static void dilation2dCudaLauncher(const int blocksPerGrid, const int threadsPerBlock, const int sharedMem,
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const cudaStream_t* stream, const void* vx, const LongType* xShapeInfo,
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const void* vy, const LongType* yShapeInfo, void* vz,
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const LongType* zShapeInfo, const LongType sH, const LongType sW, const LongType pH,
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const LongType pW, const LongType dH, const LongType dW) {
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dilation2dCuda<X, Z><<<blocksPerGrid, threadsPerBlock, sharedMem, *stream>>>(vx, xShapeInfo, vy, yShapeInfo, vz,
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zShapeInfo, sH, sW, pH, pW, dH, dW);
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DebugHelper::checkGlobalErrorCode( "dilation2d(...) failed");
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}
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void dilation2d(LaunchContext* context, NDArray* input, NDArray* weights, NDArray* output, const LongType sH,
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const LongType sW, const LongType pH, const LongType pW, const LongType dH, const LongType dW) {
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PointersManager manager(context, "dilation2d");
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dim3 dilation = getDilation(output->lengthOf(),weights->rankOf(),output->rankOf());
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NDArray::prepareSpecialUse({output}, {input, weights});
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BUILD_SINGLE_SELECTOR_TWICE(
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input->dataType(), dilation2dCudaLauncher,
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(dilation.y, dilation.x, dilation.z, context->getCudaStream(), input->specialBuffer(),
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input->specialShapeInfo(), weights->specialBuffer(), weights->specialShapeInfo(), output->specialBuffer(),
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output->specialShapeInfo(), sH, sW, pH, pW, dH, dW),
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SD_FLOAT_TYPES);
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NDArray::registerSpecialUse({output}, {input, weights});
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manager.synchronize();
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}
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} // namespace helpers
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} // namespace ops
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} // namespace sd
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