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mpi.h
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rLAMMPS lammps
mpi.h
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/* -----------------------------------------------------------------------
LAMMPS 2003 (July 31) - Molecular Dynamics Simulator
Sandia National Laboratories, www.cs.sandia.gov/~sjplimp/lammps.html
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.
------------------------------------------------------------------------ */
#ifndef MPI_STUBS
#define MPI_STUBS
#include <stdlib.h>
/* use C bindings for MPI interface */
#ifdef __cplusplus
extern
"C"
{
#endif
/* Dummy defs for MPI stubs */
#define MPI_COMM_WORLD 0
#define MPI_SUCCESS 0
#define MPI_ERR_ARG -1
#define MPI_INT 1
#define MPI_FLOAT 2
#define MPI_DOUBLE 3
#define MPI_CHAR 4
#define MPI_BYTE 5
#define MPI_LONG 6
#define MPI_LONG_LONG 7
#define MPI_DOUBLE_INT 8
#define MPI_SUM 1
#define MPI_MAX 2
#define MPI_MIN 3
#define MPI_MAXLOC 4
#define MPI_MINLOC 5
#define MPI_LOR 6
#define MPI_UNDEFINED -1
#define MPI_COMM_NULL -1
#define MPI_GROUP_EMPTY -1
#define MPI_ANY_SOURCE -1
#define MPI_STATUS_IGNORE NULL
#define MPI_Comm int
#define MPI_Request int
#define MPI_Datatype int
#define MPI_Op int
#define MPI_Fint int
#define MPI_Group int
#define MPI_Offset long
#define MPI_IN_PLACE NULL
#define MPI_MAX_PROCESSOR_NAME 128
typedef
void
MPI_User_function
(
void
*
invec
,
void
*
inoutvec
,
int
*
len
,
MPI_Datatype
*
datatype
);
/* MPI data structs */
struct
_MPI_Status
{
int
MPI_SOURCE
;
};
typedef
struct
_MPI_Status
MPI_Status
;
/* Function prototypes for MPI stubs */
int
MPI_Init
(
int
*
argc
,
char
***
argv
);
int
MPI_Initialized
(
int
*
flag
);
int
MPI_Finalized
(
int
*
flag
);
int
MPI_Get_processor_name
(
char
*
name
,
int
*
resultlen
);
int
MPI_Get_version
(
int
*
major
,
int
*
minor
);
int
MPI_Comm_rank
(
MPI_Comm
comm
,
int
*
me
);
int
MPI_Comm_size
(
MPI_Comm
comm
,
int
*
nprocs
);
int
MPI_Abort
(
MPI_Comm
comm
,
int
errorcode
);
int
MPI_Finalize
();
double
MPI_Wtime
();
int
MPI_Type_size
(
int
,
int
*
);
int
MPI_Send
(
const
void
*
buf
,
int
count
,
MPI_Datatype
datatype
,
int
dest
,
int
tag
,
MPI_Comm
comm
);
int
MPI_Isend
(
const
void
*
buf
,
int
count
,
MPI_Datatype
datatype
,
int
source
,
int
tag
,
MPI_Comm
comm
,
MPI_Request
*
request
);
int
MPI_Rsend
(
const
void
*
buf
,
int
count
,
MPI_Datatype
datatype
,
int
dest
,
int
tag
,
MPI_Comm
comm
);
int
MPI_Recv
(
void
*
buf
,
int
count
,
MPI_Datatype
datatype
,
int
source
,
int
tag
,
MPI_Comm
comm
,
MPI_Status
*
status
);
int
MPI_Irecv
(
void
*
buf
,
int
count
,
MPI_Datatype
datatype
,
int
source
,
int
tag
,
MPI_Comm
comm
,
MPI_Request
*
request
);
int
MPI_Wait
(
MPI_Request
*
request
,
MPI_Status
*
status
);
int
MPI_Waitall
(
int
n
,
MPI_Request
*
request
,
MPI_Status
*
status
);
int
MPI_Waitany
(
int
count
,
MPI_Request
*
request
,
int
*
index
,
MPI_Status
*
status
);
int
MPI_Sendrecv
(
const
void
*
sbuf
,
int
scount
,
MPI_Datatype
sdatatype
,
int
dest
,
int
stag
,
void
*
rbuf
,
int
rcount
,
MPI_Datatype
rdatatype
,
int
source
,
int
rtag
,
MPI_Comm
comm
,
MPI_Status
*
status
);
int
MPI_Get_count
(
MPI_Status
*
status
,
MPI_Datatype
datatype
,
int
*
count
);
int
MPI_Comm_split
(
MPI_Comm
comm
,
int
color
,
int
key
,
MPI_Comm
*
comm_out
);
int
MPI_Comm_dup
(
MPI_Comm
comm
,
MPI_Comm
*
comm_out
);
int
MPI_Comm_free
(
MPI_Comm
*
comm
);
MPI_Fint
MPI_Comm_c2f
(
MPI_Comm
comm
);
MPI_Comm
MPI_Comm_f2c
(
MPI_Fint
comm
);
int
MPI_Comm_group
(
MPI_Comm
comm
,
MPI_Group
*
group
);
int
MPI_Comm_create
(
MPI_Comm
comm
,
MPI_Group
group
,
MPI_Comm
*
newcomm
);
int
MPI_Group_incl
(
MPI_Group
group
,
int
n
,
int
*
ranks
,
MPI_Group
*
newgroup
);
int
MPI_Cart_create
(
MPI_Comm
comm_old
,
int
ndims
,
int
*
dims
,
int
*
periods
,
int
reorder
,
MPI_Comm
*
comm_cart
);
int
MPI_Cart_get
(
MPI_Comm
comm
,
int
maxdims
,
int
*
dims
,
int
*
periods
,
int
*
coords
);
int
MPI_Cart_shift
(
MPI_Comm
comm
,
int
direction
,
int
displ
,
int
*
source
,
int
*
dest
);
int
MPI_Cart_rank
(
MPI_Comm
comm
,
int
*
coords
,
int
*
rank
);
int
MPI_Type_contiguous
(
int
count
,
MPI_Datatype
oldtype
,
MPI_Datatype
*
newtype
);
int
MPI_Type_commit
(
MPI_Datatype
*
datatype
);
int
MPI_Type_free
(
MPI_Datatype
*
datatype
);
int
MPI_Op_create
(
MPI_User_function
*
function
,
int
commute
,
MPI_Op
*
op
);
int
MPI_Op_free
(
MPI_Op
*
op
);
int
MPI_Barrier
(
MPI_Comm
comm
);
int
MPI_Bcast
(
void
*
buf
,
int
count
,
MPI_Datatype
datatype
,
int
root
,
MPI_Comm
comm
);
int
MPI_Allreduce
(
void
*
sendbuf
,
void
*
recvbuf
,
int
count
,
MPI_Datatype
datatype
,
MPI_Op
op
,
MPI_Comm
comm
);
int
MPI_Reduce
(
void
*
sendbuf
,
void
*
recvbuf
,
int
count
,
MPI_Datatype
datatype
,
MPI_Op
op
,
int
root
,
MPI_Comm
comm
);
int
MPI_Scan
(
void
*
sendbuf
,
void
*
recvbuf
,
int
count
,
MPI_Datatype
datatype
,
MPI_Op
op
,
MPI_Comm
comm
);
int
MPI_Allgather
(
void
*
sendbuf
,
int
sendcount
,
MPI_Datatype
sendtype
,
void
*
recvbuf
,
int
recvcount
,
MPI_Datatype
recvtype
,
MPI_Comm
comm
);
int
MPI_Allgatherv
(
void
*
sendbuf
,
int
sendcount
,
MPI_Datatype
sendtype
,
void
*
recvbuf
,
int
*
recvcounts
,
int
*
displs
,
MPI_Datatype
recvtype
,
MPI_Comm
comm
);
int
MPI_Reduce_scatter
(
void
*
sendbuf
,
void
*
recvbuf
,
int
*
recvcounts
,
MPI_Datatype
datatype
,
MPI_Op
op
,
MPI_Comm
comm
);
int
MPI_Gather
(
void
*
sendbuf
,
int
sendcount
,
MPI_Datatype
sendtype
,
void
*
recvbuf
,
int
recvcount
,
MPI_Datatype
recvtype
,
int
root
,
MPI_Comm
comm
);
int
MPI_Gatherv
(
void
*
sendbuf
,
int
sendcount
,
MPI_Datatype
sendtype
,
void
*
recvbuf
,
int
*
recvcounts
,
int
*
displs
,
MPI_Datatype
recvtype
,
int
root
,
MPI_Comm
comm
);
int
MPI_Scatter
(
void
*
sendbuf
,
int
sendcount
,
MPI_Datatype
sendtype
,
void
*
recvbuf
,
int
recvcount
,
MPI_Datatype
recvtype
,
int
root
,
MPI_Comm
comm
);
int
MPI_Scatterv
(
void
*
sendbuf
,
int
*
sendcounts
,
int
*
displs
,
MPI_Datatype
sendtype
,
void
*
recvbuf
,
int
recvcount
,
MPI_Datatype
recvtype
,
int
root
,
MPI_Comm
comm
);
int
MPI_Alltoall
(
void
*
sendbuf
,
int
sendcount
,
MPI_Datatype
sendtype
,
void
*
recvbuf
,
int
recvcount
,
MPI_Datatype
recvtype
,
MPI_Comm
comm
);
int
MPI_Alltoallv
(
void
*
sendbuf
,
int
*
sendcounts
,
int
*
sdispls
,
MPI_Datatype
sendtype
,
void
*
recvbuf
,
int
*
recvcounts
,
int
*
rdispls
,
MPI_Datatype
recvtype
,
MPI_Comm
comm
);
/* ---------------------------------------------------------------------- */
#ifdef __cplusplus
}
#endif
#endif
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