wehub-resource-sync
109 lines
4.0 KiB
Plaintext
109 lines
4.0 KiB
Plaintext
/*
|
|
* ******************************************************************************
|
|
* *
|
|
* *
|
|
* * 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.
|
|
* *
|
|
* * See the NOTICE file distributed with this work for additional
|
|
* * information regarding copyright ownership.
|
|
* * 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 <array/NDArrayFactory.h>
|
|
#include <ops/declarable/helpers/gammaMathFunc.h>
|
|
|
|
#include "execution/cuda/LaunchDims.h"
|
|
|
|
|
|
namespace sd {
|
|
namespace ops {
|
|
namespace helpers {
|
|
|
|
///////////////////////////////////////////////////////////////////
|
|
template <typename T>
|
|
SD_KERNEL static void diGammaCuda(const void *vx, const LongType *xShapeInfo, void *vz, const LongType *zShapeInfo) {
|
|
const auto x = reinterpret_cast<const T *>(vx);
|
|
auto z = reinterpret_cast<T *>(vz);
|
|
|
|
__shared__ LongType len;
|
|
__shared__ bool sameOffset;
|
|
__shared__ LongType xRank, zRank;
|
|
__shared__ const LongType *xShape, *xStride, *zShape, *zStride;
|
|
|
|
if (threadIdx.x == 0) {
|
|
len = shape::length(xShapeInfo);
|
|
sameOffset = shape::haveSameShapeAndStrides(xShapeInfo, zShapeInfo);
|
|
|
|
xRank = shape::rank(xShapeInfo);
|
|
zRank = shape::rank(zShapeInfo);
|
|
|
|
xShape = shape::shapeOf(xShapeInfo);
|
|
xStride = shape::stride(xShapeInfo);
|
|
zShape = shape::shapeOf(zShapeInfo);
|
|
zStride = shape::stride(zShapeInfo);
|
|
}
|
|
__syncthreads();
|
|
|
|
LongType xCoords[SD_MAX_RANK];
|
|
LongType zCoords[SD_MAX_RANK];
|
|
LongType xOffset;
|
|
LongType zOffset;
|
|
|
|
for (LongType i = blockIdx.x * blockDim.x + threadIdx.x; i < len; i += gridDim.x * blockDim.x) {
|
|
INDEX2COORDS(i, xRank, xShape, xCoords);
|
|
COORDS2INDEX(xRank, xStride, xCoords, xOffset);
|
|
|
|
if (sameOffset) {
|
|
zOffset = xOffset;
|
|
} else {
|
|
INDEX2COORDS(i, zRank, zShape, zCoords);
|
|
COORDS2INDEX(zRank, zStride, zCoords, zOffset);
|
|
}
|
|
|
|
z[zOffset] = diGammaScalar<T>(x[xOffset]);
|
|
}
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////
|
|
template <typename T>
|
|
static void diGammaCudaLauncher(const int blocksPerGrid, const int threadsPerBlock, const int sharedMemory,
|
|
const cudaStream_t *stream, const void *vx, const LongType *xShapeInfo, void *vz,
|
|
const LongType *zShapeInfo) {
|
|
diGammaCuda<T><<<blocksPerGrid, threadsPerBlock, sharedMemory, *stream>>>(vx, xShapeInfo, vz, zShapeInfo);
|
|
DebugHelper::checkErrorCode(const_cast<cudaStream_t *>(stream), "crossCuda failed");
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////
|
|
void diGamma(LaunchContext *context, NDArray&x, NDArray &z) {
|
|
dim3 digammaDims2 = digammaDims(z.lengthOf());
|
|
NDArray::prepareSpecialUse({&z}, {&x});
|
|
BUILD_SINGLE_SELECTOR(x.dataType(), diGammaCudaLauncher,
|
|
(digammaDims2.y, digammaDims2.x, digammaDims2.z, context->getCudaStream(), x.specialBuffer(),
|
|
x.specialShapeInfo(), z.specialBuffer(), z.specialShapeInfo()),
|
|
SD_FLOAT_TYPES);
|
|
NDArray::registerSpecialUse({&z}, {&x});
|
|
}
|
|
|
|
BUILD_SINGLE_TEMPLATE( void diGammaCudaLauncher,
|
|
(const int blocksPerGrid, const int threadsPerBlock, const int sharedMemory,
|
|
const cudaStream_t *stream, const void *vx, const sd::LongType *xShapeInfo, void *vz,
|
|
const sd::LongType *zShapeInfo),
|
|
SD_FLOAT_TYPES);
|
|
|
|
} // namespace helpers
|
|
} // namespace ops
|
|
} // namespace sd
|