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gpu_extra.h
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Created
Fri, Aug 23, 04:41
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1 KB
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text/x-c
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Sun, Aug 25, 04:41 (2 d)
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blob
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20108240
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rLAMMPS lammps
gpu_extra.h
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/* ----------------------------------------------------------------------
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
http://lammps.sandia.gov, Sandia National Laboratories
Steve Plimpton, sjplimp@sandia.gov
Copyright (2003) Sandia Corporation. Under the terms of Contract
DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
certain rights in this software. This software is distributed under
the GNU General Public License.
See the README file in the top-level LAMMPS directory.
------------------------------------------------------------------------- */
/* ----------------------------------------------------------------------
Contributing author: Mike Brown (ORNL)
------------------------------------------------------------------------- */
#ifndef LMP_GPU_EXTRA_H
#define LMP_GPU_EXTRA_H
#include "error.h"
namespace
GPU_EXTRA
{
inline
void
check_flag
(
int
error_flag
,
LAMMPS_NS
::
Error
*
error
,
MPI_Comm
&
world
)
{
int
all_success
;
MPI_Allreduce
(
&
error_flag
,
&
all_success
,
1
,
MPI_INT
,
MPI_MIN
,
world
);
if
(
all_success
!=
0
)
{
if
(
all_success
==
-
1
)
error
->
all
(
FLERR
,
"Accelerated style in input script but no fix gpu"
);
else
if
(
all_success
==
-
2
)
error
->
all
(
FLERR
,
"Could not find/initialize a specified accelerator device"
);
else
if
(
all_success
==
-
3
)
error
->
all
(
FLERR
,
"Insufficient memory on accelerator"
);
else
if
(
all_success
==
-
4
)
error
->
all
(
FLERR
,
"GPU library not compiled for this accelerator"
);
else
if
(
all_success
==
-
5
)
error
->
all
(
FLERR
,
"Double precision is not supported on this accelerator"
);
else
if
(
all_success
==
-
6
)
error
->
all
(
FLERR
,
"Unable to initialize accelerator for use"
);
else
if
(
all_success
==
-
7
)
error
->
all
(
FLERR
,
"Accelerator sharing is not currently supported on system"
);
else
error
->
all
(
FLERR
,
"Unknown error in GPU library"
);
}
}
}
#endif
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