LBPM/cpu/Extras.cpp
2023-10-23 04:18:20 -04:00

67 lines
2.2 KiB
C++

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