148 строки
8.4 KiB
C
148 строки
8.4 KiB
C
/*
|
|
* Copyright (c) 2013 Mellanox Technologies, Inc.
|
|
* All rights reserved.
|
|
* $COPYRIGHT$
|
|
*
|
|
* Additional copyrights may follow
|
|
*
|
|
* $HEADER$
|
|
*/
|
|
#include "oshmem_config.h"
|
|
|
|
#include "oshmem/constants.h"
|
|
#include "oshmem/include/shmem.h"
|
|
|
|
#include "oshmem/runtime/runtime.h"
|
|
|
|
#include "oshmem/mca/scoll/scoll.h"
|
|
#include "oshmem/proc/proc.h"
|
|
#include "oshmem/proc/proc_group_cache.h"
|
|
#include "oshmem/op/op.h"
|
|
|
|
#if OSHMEM_GROUP_CACHE_ENABLED == 0
|
|
static bool __group_cache_enabled = false;
|
|
#else
|
|
static bool __group_cache_enabled = true;
|
|
#endif /* OSHMEM_GROUP_CACHE_ENABLED */
|
|
|
|
/*
|
|
* The shared memory (SHMEM) reduction routines perform an associative binary operation
|
|
* across symmetric arrays on multiple virtual PEs.
|
|
* This routine returns the result of performing a operation on the source data
|
|
* object of every PE in the active set. The active set of PEs is defined by the triple PE_start,
|
|
* logPE_stride and PE_size.
|
|
*/
|
|
#define SHMEM_TYPE_REDUCE_OP(name, type_name, type) \
|
|
void shmem##type_name##_##name##_to_all( type *target, \
|
|
type *source, \
|
|
int nreduce, \
|
|
int PE_start, \
|
|
int logPE_stride, \
|
|
int PE_size, \
|
|
type *pWrk, \
|
|
long *pSync ) \
|
|
{ \
|
|
int rc = OSHMEM_SUCCESS; \
|
|
oshmem_group_t* group = NULL; \
|
|
\
|
|
RUNTIME_CHECK_INIT(); \
|
|
RUNTIME_CHECK_ADDR(target); \
|
|
RUNTIME_CHECK_ADDR(source); \
|
|
\
|
|
{ \
|
|
/* Create group basing PE_start, logPE_stride and PE_size */ \
|
|
if (!__group_cache_enabled) \
|
|
{ \
|
|
group = oshmem_proc_group_create(PE_start, (1 << logPE_stride), PE_size); \
|
|
if (!group) \
|
|
rc = OSHMEM_ERROR; \
|
|
} \
|
|
else \
|
|
{ \
|
|
group = find_group_in_cache(PE_start,logPE_stride,PE_size); \
|
|
if (!group) \
|
|
{ \
|
|
group = oshmem_proc_group_create(PE_start, (1 << logPE_stride), PE_size); \
|
|
if (!group) \
|
|
rc = OSHMEM_ERROR; \
|
|
cache_group(group,PE_start,logPE_stride,PE_size); \
|
|
} \
|
|
} \
|
|
\
|
|
/* Collective operation call */ \
|
|
if ( rc == OSHMEM_SUCCESS ) \
|
|
{ \
|
|
oshmem_op_t* op = oshmem_op_##name##type_name; \
|
|
size_t size = nreduce * op->dt_size; \
|
|
\
|
|
/* Call collective reduce operation */ \
|
|
rc = group->g_scoll.scoll_reduce( \
|
|
group, \
|
|
op, \
|
|
(void*)target, \
|
|
(const void*)source, \
|
|
size, \
|
|
pSync, \
|
|
(void*)pWrk, \
|
|
SCOLL_DEFAULT_ALG ); \
|
|
} \
|
|
\
|
|
if ( !__group_cache_enabled && (rc == OSHMEM_SUCCESS ) ) \
|
|
{ \
|
|
oshmem_proc_group_destroy(group); \
|
|
} \
|
|
} \
|
|
RUNTIME_CHECK_RC(rc); \
|
|
}
|
|
|
|
SHMEM_TYPE_REDUCE_OP(and, _short, short)
|
|
SHMEM_TYPE_REDUCE_OP(and, _int, int)
|
|
SHMEM_TYPE_REDUCE_OP(and, _long, long)
|
|
SHMEM_TYPE_REDUCE_OP(and, _longlong, long long)
|
|
|
|
SHMEM_TYPE_REDUCE_OP(or, _short, short)
|
|
SHMEM_TYPE_REDUCE_OP(or, _int, int)
|
|
SHMEM_TYPE_REDUCE_OP(or, _long, long)
|
|
SHMEM_TYPE_REDUCE_OP(or, _longlong, long long)
|
|
|
|
SHMEM_TYPE_REDUCE_OP(xor, _short, short)
|
|
SHMEM_TYPE_REDUCE_OP(xor, _int, int)
|
|
SHMEM_TYPE_REDUCE_OP(xor, _long, long)
|
|
SHMEM_TYPE_REDUCE_OP(xor, _longlong, long long)
|
|
|
|
SHMEM_TYPE_REDUCE_OP(max, _short, short)
|
|
SHMEM_TYPE_REDUCE_OP(max, _int, int)
|
|
SHMEM_TYPE_REDUCE_OP(max, _long, long)
|
|
SHMEM_TYPE_REDUCE_OP(max, _longlong, long long)
|
|
SHMEM_TYPE_REDUCE_OP(max, _float, float)
|
|
SHMEM_TYPE_REDUCE_OP(max, _double, double)
|
|
SHMEM_TYPE_REDUCE_OP(max, _longdouble, long double)
|
|
|
|
SHMEM_TYPE_REDUCE_OP(min, _short, short)
|
|
SHMEM_TYPE_REDUCE_OP(min, _int, int)
|
|
SHMEM_TYPE_REDUCE_OP(min, _long, long)
|
|
SHMEM_TYPE_REDUCE_OP(min, _longlong, long long)
|
|
SHMEM_TYPE_REDUCE_OP(min, _float, float)
|
|
SHMEM_TYPE_REDUCE_OP(min, _double, double)
|
|
SHMEM_TYPE_REDUCE_OP(min, _longdouble, long double)
|
|
|
|
SHMEM_TYPE_REDUCE_OP(sum, _short, short)
|
|
SHMEM_TYPE_REDUCE_OP(sum, _int, int)
|
|
SHMEM_TYPE_REDUCE_OP(sum, _long, long)
|
|
SHMEM_TYPE_REDUCE_OP(sum, _longlong, long long)
|
|
SHMEM_TYPE_REDUCE_OP(sum, _float, float)
|
|
SHMEM_TYPE_REDUCE_OP(sum, _double, double)
|
|
SHMEM_TYPE_REDUCE_OP(sum, _longdouble, long double)
|
|
SHMEM_TYPE_REDUCE_OP(sum, _complexf, float complex)
|
|
SHMEM_TYPE_REDUCE_OP(sum, _complexd, double complex)
|
|
|
|
SHMEM_TYPE_REDUCE_OP(prod, _short, short)
|
|
SHMEM_TYPE_REDUCE_OP(prod, _int, int)
|
|
SHMEM_TYPE_REDUCE_OP(prod, _long, long)
|
|
SHMEM_TYPE_REDUCE_OP(prod, _longlong, long long)
|
|
SHMEM_TYPE_REDUCE_OP(prod, _float, float)
|
|
SHMEM_TYPE_REDUCE_OP(prod, _double, double)
|
|
SHMEM_TYPE_REDUCE_OP(prod, _longdouble, long double)
|
|
SHMEM_TYPE_REDUCE_OP(prod, _complexf, float complex)
|
|
SHMEM_TYPE_REDUCE_OP(prod, _complexd, double complex)
|