82 lines
2.1 KiB
C
82 lines
2.1 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 Yurii Shyrma (iuriish@yahoo.com), created on 06.02.2019
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// @author raver119@gmail.com
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//
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#ifndef CUDAMANAGER_H
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#define CUDAMANAGER_H
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#include <vector>
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#include <string>
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#include <execution/LaunchContext.h>
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#include <types.h>
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namespace nd4j {
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class PointersManager {
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private:
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nd4j::LaunchContext *_context;
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std::vector<void*> _pOnGlobMem;
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std::string _funcName;
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public:
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PointersManager(const nd4j::LaunchContext* context, const std::string& funcName = "");
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~PointersManager();
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void* replicatePointer(const void* src, const size_t size);
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void synchronize() const;
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template<typename T>
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void printDevContentOnHost(const void* pDev, const Nd4jLong len) const;
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#ifdef __CUDABLAS__
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template<typename T>
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static void printDevContentOnDevFromHost(const void* pDev, const Nd4jLong len, const int tid = 0);
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#endif
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#ifdef __CUDACC__
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template<typename T>
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static FORCEINLINE __device__ void printDevContentOnDev(const void* pDev, const Nd4jLong len, const int tid = 0) {
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if(blockIdx.x * blockDim.x + threadIdx.x != tid)
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return;
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printf("device print out: \n");
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for(Nd4jLong i = 0; i < len; ++i)
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printf("%f, ", (double)reinterpret_cast<const T*>(pDev)[i]);
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printf("\n");
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}
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#endif
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};
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}
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#endif // CUDAMANAGER_H
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