100 lines
3.5 KiB
C
100 lines
3.5 KiB
C
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/*******************************************************************************
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* Copyright (c) 2015-2018 Skymind, Inc.
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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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* 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 raver119@gmail.com
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//
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#ifndef PROJECT_SPECIALS_CUDA_H
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#define PROJECT_SPECIALS_CUDA_H
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#include <helpers/shape.h>
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#include <helpers/DebugHelper.h>
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#ifdef __CUDACC__
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////////////////////////////////////////////////////////////////////////
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template<typename T>
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__host__ void bitonicSortStepGeneric(dim3 &launchDims, cudaStream_t *stream, void *vx, Nd4jLong *xShapeInfo, int j, int k, int length, bool descending);
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////////////////////////////////////////////////////////////////////////
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template<typename T>
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__host__ void bitonicArbitraryStepGeneric(dim3 &launchDims, cudaStream_t *stream, void *vx, Nd4jLong *xShapeInfo, int window, int length, int reverse, bool descending);
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////////////////////////////////////////////////////////////////////////
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template<typename T>
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__host__ void oesTadGeneric(dim3 &launchDims, cudaStream_t *stream, void *vx, Nd4jLong *xShapeInfo, int *dimension, int dimensionLength, Nd4jLong *tadShapeInfo, Nd4jLong *tadOffsets, bool descending);
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////////////////////////////////////////////////////////////////////////
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template<typename T>
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__global__ void printCudaGlobal(void* pointer, const int len) {
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for(int i = 0; i < len; ++i)
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printf("%f, ", (double)reinterpret_cast<T*>(pointer)[i] );
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printf("\n");
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}
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////////////////////////////////////////////////////////////////////////
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template<typename T>
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__device__ void printCudaDevice(void* pointer, const int len, const int tid = 0) {
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if(blockIdx.x * blockDim.x + threadIdx.x != tid) return;
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for(int i = 0; i < len; ++i)
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printf("%f, ", (double)reinterpret_cast<T*>(pointer)[i] );
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printf("\n");
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}
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////////////////////////////////////////////////////////////////////////
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template<typename T>
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__host__ void printCudaHost(void* pointer, const int len, cudaStream_t& stream) {
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void* ptr = malloc(sizeof(T)*len);
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cudaMemcpyAsync(ptr, pointer, sizeof(T)*len, cudaMemcpyDeviceToHost, stream);
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cudaError_t cudaResult = cudaStreamSynchronize(stream);
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if(cudaResult != 0)
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throw std::runtime_error("printCudaHost:: cudaStreamSynchronize failed!");
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for(int i = 0; i < len; ++i)
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printf("%f, ", (double)reinterpret_cast<T*>(ptr)[i]);
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printf("\n");
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free(ptr);
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}
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////////////////////////////////////////////////////////////////////////
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__device__ inline int getDevicePosition(Nd4jLong *xShapeInfo, int index, Nd4jLong length) {
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int xEWS = shape::elementWiseStride(xShapeInfo);
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char order = shape::order(xShapeInfo);
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if (xEWS == 1 && order == 'c') {
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return index;
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}
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else if (xEWS > 1 && order == 'c') {
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return index * xEWS;
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}
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else {
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return shape::getIndexOffset(index, xShapeInfo, length);
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}
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}
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#endif
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#endif //PROJECT_SPECIALS_CUDA_H
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