SHMEM_PUT_NBI(3) Open MPI SHMEM_PUT_NBI(3)
NAME
shmem_putmem_nbi(3), shmem_char_put_nbi(3), shmem_short_put_nbi(3),
shmem_int_put_nbi(3), shmem_long_put_nbi(3), shmem_longlong_put_nbi(3),
shmem_float_put_nbi(3), shmem_double_put_nbi(3), shmem_longdou-
ble_put_nbi(3), shmem_put8_nbi(3), shmem_put16_nbi(3),
shmem_put32_nbi(3), shmem_put64_nbi(3), shmem_put128_nbi(3), - The non-
blocking put routines provide a method for copying data from a contigu-
ous local data object to a data object on a specified PE.
SYNOPSIS
C or C++:
#include <mpp/shmem.h>
void shmem_putmem_nbi(void *dest, const void *source,
size_t nelems, int pe);
void shmem_char_put(char *dest, const char *source,
size_t nelems, int pe);
void shmem_short_put(short *dest, const short *source,
size_t nelems, int pe);
void shmem_int_put(int *dest, const int *source,
size_t nelems, int pe);
void shmem_long_put(long *dest, const long *source,
size_t nelems, int pe);
void shmem_longlong_put(long long *dest, const long long *source,
size_t nelems, int pe);
void shmem_float_put(float *dest, const float *source,
size_t nelems, int pe);
void shmem_double_put(double *dest, const double *source,
size_t nelems, int pe);
void shmem_longdouble_put(long double *dest, const long double *source,
size_t nelems, int pe);
void shmem_put8(void *dest, const void *source,
size_t nelems, int pe);
void shmem_put16(void *dest, const void *source,
size_t nelems, int pe);
void shmem_put32(void *dest, const void *source,
size_t nelems, int pe);
void shmem_put64(void *dest, const void *source,
size_t nelems, int pe);
void shmem_put128(void *dest, const void *source,
size_t nelems, int pe);
Fortran:
INCLUDE "mpp/shmem.fh"
INTEGER nelems, pe
CALL SHMEM_PUTMEM_NBI(dest, source, nelems, pe)
CALL SHMEM_CHARACTER_PUT_NBI(dest, source, nelems, pe)
CALL SHMEM_COMPLEX_PUT_NBI(dest, source, nelems, pe)
CALL SHMEM_DOUBLE_PUT_NBI(dest, source, nelems, pe)
CALL SHMEM_INTEGER_PUT_NBI(dest, source, nelems, pe)
CALL SHMEM_LOGICAL_PUT_NBI(dest, source, nelems, pe)
CALL SHMEM_REAL_PUT_NBI(dest, source, nelems, pe)
CALL SHMEM_PUT4_NBI(dest, source, nelems, pe)
CALL SHMEM_PUT8_NBI(dest, source, nelems, pe)
CALL SHMEM_PUT32_NBI(dest, source, nelems, pe)
CALL SHMEM_PUT64_NBI(dest, source, nelems, pe)
CALL SHMEM_PUT128_NBI(dest, source, nelems, pe)
DESCRIPTION
The routines return after posting the operation. The operation is con-
sidered complete after a subsequent call to shmem_quiet. At the comple-
tion of shmem_quiet, the data has been copied into the dest array on
the destination PE. The delivery of data words into the data object on
the destination PE may occur in any order. Furthermore, two successive
put routines may deliver data out of order unless a call to shmem_fence
is introduced between the two calls.
The arguments are as follows:
dest Data object to be updated on the remote PE. This data object
must be remotely accessible.
source Data object containing the data to be copied.
nelems Number of elements in the dest and source arrays. nelems must be
of type size_t for C. If you are using Fortran, it must be a
constant, variable, or array element of default integer type.
pe PE number of the remote PE. pe must be of type integer. If you
are using Fortran, it must be a constant, variable, or array el-
ement of default integer type.
If you are using Fortran, data types must be of default size. For exam-
ple, a real variable must be declared as REAL, REAL*4, or REAL(KIND=4).
NOTES
See intro_shmem(3) for a definition of the term remotely accessible.
EXAMPLES
Consider this simple example for C.
#include <stdio.h>
#include <mpp/shmem.h>
main()
{
long source[10] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
static long target[10];
shmem_init();
if (shmem_my_pe() == 0) {
/* put 10 words into target on PE 1 */
shmem_long_put_nbi(target, source, 10, 1);
shmem_quiet();
}
shmem_barrier_all(); /* sync sender and receiver */
if (shmem_my_pe() == 1)
shmem_udcflush(); /* not required on Altix systems */
printf("target[0] on PE %d is %d\n", shmem_my_pe(), target[0]);
}
SEE ALSO
intro_shmem(3), shmem_quiet(3)
4.1.2 Nov 24, 2021 SHMEM_PUT_NBI(3)
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