0d560ddf77
this typo caused build failure when configure'd with --enable-memchecker see http://mtt.open-mpi.org/index.php?do_redir=2234
234 строки
9.0 KiB
C
234 строки
9.0 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
|
|
/*
|
|
* Copyright (c) 2004-2005 The Trustees of Indiana University.
|
|
* All rights reserved.
|
|
* Copyright (c) 2004-2006 The Trustees of the University of Tennessee.
|
|
* All rights reserved.
|
|
* Copyright (c) 2004-2008 High Performance Computing Center Stuttgart,
|
|
* University of Stuttgart. All rights reserved.
|
|
* Copyright (c) 2004-2005 The Regents of the University of California.
|
|
* All rights reserved.
|
|
* Copyright (c) 2007-2015 Los Alamos National Security, LLC. All rights
|
|
* reserved.
|
|
* Copyright (c) 2009 Sun Microsystems, Inc. All rights reserved.
|
|
* Copyright (c) 2015 Research Organization for Information Science
|
|
* and Technology (RIST). All rights reserved.
|
|
* $COPYRIGHT$
|
|
*
|
|
* Additional copyrights may follow
|
|
*
|
|
* $HEADER$
|
|
*/
|
|
|
|
/*
|
|
* utility functions for dealing with remote datatype and op structures
|
|
*/
|
|
|
|
#include "ompi_config.h"
|
|
|
|
#include "opal/datatype/opal_convertor.h"
|
|
#include "opal/datatype/opal_convertor_internal.h"
|
|
#include "opal/datatype/opal_datatype_prototypes.h"
|
|
|
|
#include "ompi/op/op.h"
|
|
#include "ompi/datatype/ompi_datatype.h"
|
|
#include "ompi/datatype/ompi_datatype_internal.h"
|
|
|
|
#include "osc_base_obj_convert.h"
|
|
#include "ompi/memchecker.h"
|
|
|
|
#define OMPI_OSC_BASE_DECODE_MAX 32
|
|
|
|
int
|
|
ompi_osc_base_get_primitive_type_info(ompi_datatype_t *datatype,
|
|
ompi_datatype_t **prim_datatype,
|
|
uint32_t *prim_count)
|
|
{
|
|
ompi_datatype_t *primitive_datatype = NULL;
|
|
size_t datatype_size, primitive_size, primitive_count;
|
|
|
|
primitive_datatype = ompi_datatype_get_single_predefined_type_from_args(datatype);
|
|
if( NULL == primitive_datatype ) {
|
|
*prim_count = 0;
|
|
return OMPI_SUCCESS;
|
|
}
|
|
ompi_datatype_type_size( datatype, &datatype_size );
|
|
ompi_datatype_type_size( primitive_datatype, &primitive_size );
|
|
primitive_count = datatype_size / primitive_size;
|
|
#if OPAL_ENABLE_DEBUG
|
|
assert( 0 == (datatype_size % primitive_size) );
|
|
#endif /* OPAL_ENABLE_DEBUG */
|
|
|
|
/* We now have the count as a size_t, convert it to an uint32_t */
|
|
*prim_datatype = primitive_datatype;
|
|
*prim_count = (uint32_t)primitive_count;
|
|
|
|
return OMPI_SUCCESS;
|
|
}
|
|
|
|
int ompi_osc_base_process_op (void *outbuf, void *inbuf, size_t inbuflen,
|
|
struct ompi_datatype_t *datatype, int count,
|
|
ompi_op_t *op)
|
|
{
|
|
if (op == &ompi_mpi_op_replace.op) {
|
|
return OMPI_ERR_NOT_SUPPORTED;
|
|
}
|
|
|
|
if (ompi_datatype_is_predefined(datatype)) {
|
|
ompi_op_reduce(op, inbuf, outbuf, count, datatype);
|
|
} else {
|
|
opal_convertor_t convertor;
|
|
struct ompi_datatype_t *primitive_datatype = NULL;
|
|
struct iovec iov[OMPI_OSC_BASE_DECODE_MAX];
|
|
uint32_t iov_count;
|
|
size_t size, primitive_size;
|
|
OPAL_PTRDIFF_TYPE lb, extent;
|
|
bool done;
|
|
|
|
primitive_datatype = ompi_datatype_get_single_predefined_type_from_args(datatype);
|
|
if (ompi_datatype_is_contiguous_memory_layout (datatype, count) &&
|
|
1 == datatype->super.desc.used) {
|
|
/* NTH: the datatype is made up of a contiguous block of the primitive
|
|
* datatype. fast path. do not set up a convertor to deal with the
|
|
* datatype. */
|
|
count *= datatype->super.desc.desc[0].elem.count;
|
|
|
|
/* in case it is possible for the datatype to have a non-zero lb in this case.
|
|
* remove me if this is not possible */
|
|
ompi_datatype_get_extent (datatype, &lb, &extent);
|
|
outbuf = (void *)((uintptr_t) outbuf + lb);
|
|
|
|
ompi_op_reduce(op, inbuf, outbuf, count, primitive_datatype);
|
|
return OMPI_SUCCESS;
|
|
}
|
|
|
|
ompi_datatype_type_size (primitive_datatype, &primitive_size);
|
|
|
|
/* create convertor */
|
|
OBJ_CONSTRUCT(&convertor, opal_convertor_t);
|
|
opal_convertor_copy_and_prepare_for_recv(ompi_mpi_local_convertor, &datatype->super,
|
|
count, outbuf, 0, &convertor);
|
|
|
|
MEMCHECKER(
|
|
memchecker_convertor_call(&opal_memchecker_base_mem_defined,
|
|
&convertor.convertor);
|
|
);
|
|
|
|
do {
|
|
iov_count = OMPI_OSC_BASE_DECODE_MAX;
|
|
done = opal_convertor_raw (&convertor, iov, &iov_count, &size);
|
|
|
|
for (int i = 0 ; i < iov_count ; ++i) {
|
|
int primitive_count = iov[i].iov_len / primitive_size;
|
|
ompi_op_reduce (op, inbuf, iov[i].iov_base, primitive_count, primitive_datatype);
|
|
inbuf = (void *)((intptr_t) inbuf + iov[i].iov_len);
|
|
}
|
|
} while (!done);
|
|
|
|
MEMCHECKER(
|
|
memchecker_convertor_call(&opal_memchecker_base_mem_noaccess,
|
|
&convertor);
|
|
);
|
|
|
|
opal_convertor_cleanup (&convertor);
|
|
OBJ_DESTRUCT(&convertor);
|
|
}
|
|
|
|
return OMPI_SUCCESS;
|
|
}
|
|
|
|
int ompi_osc_base_sndrcv_op (void *origin, int32_t origin_count,
|
|
struct ompi_datatype_t *origin_dt,
|
|
void *target, int32_t target_count,
|
|
struct ompi_datatype_t *target_dt,
|
|
ompi_op_t *op)
|
|
{
|
|
ompi_datatype_t *origin_primitive, *target_primitive;
|
|
opal_convertor_t origin_convertor, target_convertor;
|
|
struct iovec origin_iovec[OMPI_OSC_BASE_DECODE_MAX];
|
|
struct iovec target_iovec[OMPI_OSC_BASE_DECODE_MAX];
|
|
uint32_t origin_iov_count, target_iov_count;
|
|
uint32_t origin_iov_index, target_iov_index;
|
|
size_t origin_size, target_size, primitive_size;
|
|
int primitive_count;
|
|
size_t acc_len;
|
|
bool done;
|
|
|
|
if (ompi_datatype_is_predefined(origin_dt) && origin_dt == target_dt) {
|
|
ompi_op_reduce(op, origin, target, origin_count, origin_dt);
|
|
|
|
return OMPI_SUCCESS;
|
|
}
|
|
|
|
origin_primitive = ompi_datatype_get_single_predefined_type_from_args(origin_dt);
|
|
target_primitive = ompi_datatype_get_single_predefined_type_from_args(target_dt);
|
|
|
|
/* check that the two primitives are the same */
|
|
if (OPAL_UNLIKELY(origin_primitive != target_primitive)) {
|
|
return OMPI_ERR_RMA_SYNC;
|
|
}
|
|
|
|
ompi_datatype_type_size (target_primitive, &primitive_size);
|
|
|
|
OBJ_CONSTRUCT(&origin_convertor, opal_convertor_t);
|
|
opal_convertor_copy_and_prepare_for_send (ompi_mpi_local_convertor, &origin_dt->super,
|
|
origin_count, origin, 0, &origin_convertor);
|
|
|
|
OBJ_CONSTRUCT(&target_convertor, opal_convertor_t);
|
|
opal_convertor_copy_and_prepare_for_recv (ompi_mpi_local_convertor, &target_dt->super,
|
|
target_count, target, 0, &target_convertor);
|
|
|
|
target_iov_index = 0;
|
|
target_iov_count = 0;
|
|
|
|
do {
|
|
/* decode segments of the source data */
|
|
origin_iov_count = OMPI_OSC_BASE_DECODE_MAX;
|
|
origin_iov_index = 0;
|
|
|
|
done = opal_convertor_raw (&origin_convertor, origin_iovec, &origin_iov_count, &origin_size);
|
|
|
|
/* loop on the target segments until we have exhaused the decoded source data */
|
|
while (origin_iov_index != origin_iov_count) {
|
|
if (target_iov_index == target_iov_count) {
|
|
/* decode segments of the target buffer */
|
|
target_iov_count = OMPI_OSC_BASE_DECODE_MAX;
|
|
target_iov_index = 0;
|
|
(void) opal_convertor_raw (&target_convertor, target_iovec, &target_iov_count, &target_size);
|
|
}
|
|
|
|
/* we already checked that the target was large enough. this should be impossible */
|
|
assert (0 != target_iov_count);
|
|
|
|
/* determine how much to accumulate */
|
|
if (target_iovec[target_iov_index].iov_len < origin_iovec[origin_iov_index].iov_len) {
|
|
acc_len = target_iovec[target_iov_index].iov_len;
|
|
} else {
|
|
acc_len = origin_iovec[origin_iov_index].iov_len;
|
|
}
|
|
|
|
primitive_count = acc_len / primitive_size;
|
|
|
|
ompi_op_reduce (op, origin_iovec[origin_iov_index].iov_base, target_iovec[target_iov_index].iov_base,
|
|
primitive_count, target_primitive);
|
|
|
|
/* adjust io vectors */
|
|
target_iovec[target_iov_index].iov_len -= acc_len;
|
|
origin_iovec[origin_iov_index].iov_len -= acc_len;
|
|
target_iovec[target_iov_index].iov_base = (void *)((intptr_t) target_iovec[target_iov_index].iov_base + acc_len);
|
|
origin_iovec[origin_iov_index].iov_base = (void *)((intptr_t) origin_iovec[origin_iov_index].iov_base + acc_len);
|
|
|
|
origin_iov_index += 0 == origin_iovec[origin_iov_index].iov_len;
|
|
target_iov_index += 0 == target_iovec[target_iov_index].iov_len;
|
|
}
|
|
} while (!done);
|
|
|
|
opal_convertor_cleanup (&origin_convertor);
|
|
OBJ_DESTRUCT(&origin_convertor);
|
|
|
|
opal_convertor_cleanup (&target_convertor);
|
|
OBJ_DESTRUCT(&target_convertor);
|
|
|
|
return OMPI_SUCCESS;
|
|
}
|