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Fri, Oct 18, 11:19
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2 KB
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text/x-c
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Sun, Oct 20, 11:19 (2 d)
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blob
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rLAMMPS lammps
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_CheckMemUsage
();
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_
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