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git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@8921 f3b2605a-c512-4ea7-a41b-209d697bcdaa

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sjplimp
2012-10-08 15:29:39 +00:00
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lib/cuda/cuda_wrapper_cu.h
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/* ----------------------------------------------------------------------
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
Original Version:
http://lammps.sandia.gov, Sandia National Laboratories
Steve Plimpton, sjplimp@sandia.gov
See the README file in the top-level LAMMPS directory.
-----------------------------------------------------------------------
USER-CUDA Package and associated modifications:
https://sourceforge.net/projects/lammpscuda/
Christian Trott, christian.trott@tu-ilmenau.de
Lars Winterfeld, lars.winterfeld@tu-ilmenau.de
Theoretical Physics II, University of Technology Ilmenau, Germany
See the README file in the USER-CUDA directory.
This software is distributed under the GNU General Public License.
------------------------------------------------------------------------- */
#ifndef _CUDA_DATA_WRAPPER_H_
#define _CUDA_DATA_WRAPPER_H_
extern "C" void CudaWrapper_Init(int argc, char** argv,int me=0,int ppn=2,int* devicelist=NULL);
extern "C" void* CudaWrapper_AllocCudaData(unsigned nbytes);
extern "C" void CudaWrapper_UploadCudaData(void* host_data, void* dev_data, unsigned nbytes);
extern "C" void CudaWrapper_UploadCudaDataAsync(void* host_data, void* dev_data, unsigned nbytes, int stream_id);
extern "C" void CudaWrapper_DownloadCudaData(void* host_data, void* dev_data, unsigned nbytes);
extern "C" void CudaWrapper_DownloadCudaDataAsync(void* host_data, void* dev_data, unsigned nbytes, int stream_id);
extern "C" void CudaWrapper_FreeCudaData(void* dev_data, unsigned nbytes=0);
extern "C" void CudaWrapper_Memset(void* dev_data, int value, unsigned nbytes);
extern "C" void CudaWrapper_CopyData(void* dev_dest, void* dev_source, unsigned nbytes);
extern "C" void* CudaWrapper_AllocPinnedHostData(unsigned nbytes, bool mapped=false, bool writeCombind=false);
extern "C" void CudaWrapper_FreePinnedHostData(void* dev_data);
extern "C" void cuda_check_error(char* comment);
extern "C" int CudaWrapper_CheckMemUseage();
extern "C" double CudaWrapper_CheckUploadTime(bool reset=false);
extern "C" double CudaWrapper_CheckDownloadTime(bool reset=false);
extern "C" double CudaWrapper_CheckCPUBufUploadTime(bool reset=false);
extern "C" double CudaWrapper_CheckCPUBufDownloadTime(bool reset=false);
extern "C" void CudaWrapper_AddCPUBufUploadTime(double dt);
extern "C" void CudaWrapper_AddCPUBufDownloadTime(double dt);
extern "C" void CudaWrapper_Sync();
extern "C" void CudaWrapper_SyncStream(int n);
extern "C" void CudaWrapper_AddStreams(int n);
extern "C" void* CudaWrapper_returnStreams();
extern "C" int CudaWrapper_returnNStreams();
#endif // _CUDA_DATA_WRAPPER_H_