69 lines
2.0 KiB
C++
69 lines
2.0 KiB
C++
/*
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Copyright 2013--2018 James E. McClure, Virginia Polytechnic & State University
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This file is part of the Open Porous Media project (OPM).
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OPM is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OPM is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OPM. If not, see <http://www.gnu.org/licenses/>.
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*/
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// Basic cuda functions callable from C/C++ code
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <mm_malloc.h>
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extern "C" int ScaLBL_SetDevice(int rank){
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return 0;
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}
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extern "C" void ScaLBL_AllocateZeroCopy(void** address, size_t size){
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//cudaMalloc(address,size);
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(*address) = _mm_malloc(size,64);
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memset(*address,0,size);
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if (*address==NULL){
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printf("Memory allocation failed! \n");
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}
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}
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extern "C" void ScaLBL_AllocateDeviceMemory(void** address, size_t size){
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//cudaMalloc(address,size);
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(*address) = _mm_malloc(size,64);
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memset(*address,0,size);
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if (*address==NULL){
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printf("Memory allocation failed! \n");
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}
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}
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extern "C" void ScaLBL_FreeDeviceMemory(void* pointer){
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_mm_free(pointer);
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}
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extern "C" void ScaLBL_CopyToDevice(void* dest, const void* source, size_t size){
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// cudaMemcpy(dest,source,size,cudaMemcpyHostToDevice);
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memcpy(dest, source, size);
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}
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extern "C" void ScaLBL_CopyToHost(void* dest, const void* source, size_t size){
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// cudaMemcpy(dest,source,size,cudaMemcpyDeviceToHost);
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memcpy(dest, source, size);
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}
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extern "C" void ScaLBL_CopyToZeroCopy(void* dest, const void* source, size_t size){
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// cudaMemcpy(dest,source,size,cudaMemcpyDeviceToHost);
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memcpy(dest, source, size);
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}
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extern "C" void ScaLBL_DeviceBarrier(){
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// cudaDeviceSynchronize();
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}
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