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openmpi/ompi/mca/mtl/mx/mtl_mx_send.c
George Bosilca 688a16ea78 A long time waiting patch. Get rid of the comm->c_pml_procs. It was (and that was
long ago) supposed to be used as a cache for accessing the PML procs. But in
all of the PMLs the PML proc contain only one field i.e. a pointer to the ompi_proc.
This pointer can be accessed using the c_remote_group easily. Therefore, there is no
meaning of keeping the PML procs around. Slim fast commit ...

This commit was SVN r11730.
2006-09-20 22:14:46 +00:00

203 строки
7.9 KiB
C

/*
* Copyright (c) 2004-2006 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2006 The Regents of the University of California.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ompi/datatype/datatype.h"
#include "ompi/communicator/communicator.h"
#include "ompi/datatype/convertor.h"
#include "mtl_mx.h"
#include "mtl_mx_types.h"
#include "mtl_mx_request.h"
#include "ompi/mca/mtl/base/mtl_base_datatype.h"
int
ompi_mtl_mx_send(struct mca_mtl_base_module_t* mtl,
struct ompi_communicator_t* comm,
int dest,
int tag,
struct ompi_convertor_t *convertor,
mca_pml_base_send_mode_t mode)
{
mx_return_t mx_return;
uint64_t match_bits;
int ret;
mca_mtl_mx_request_t mtl_mx_request;
size_t length;
mx_status_t mx_status;
uint32_t result;
ompi_proc_t* ompi_proc = ompi_comm_peer_lookup( comm, dest );
mca_mtl_mx_endpoint_t* mx_endpoint = (mca_mtl_mx_endpoint_t*) ompi_proc->proc_pml;
assert(mtl == &ompi_mtl_mx.super);
MX_SET_SEND_BITS(match_bits, comm->c_contextid, comm->c_my_rank, tag);
ret = ompi_mtl_datatype_pack(convertor,
&mtl_mx_request.mx_segment[0].segment_ptr,
&length,
&mtl_mx_request.free_after);
mtl_mx_request.mx_segment[0].segment_length = length;
mtl_mx_request.convertor = convertor;
mtl_mx_request.type = OMPI_MTL_MX_ISEND;
if (OMPI_SUCCESS != ret) return ret;
if(mode == MCA_PML_BASE_SEND_SYNCHRONOUS) {
OPAL_OUTPUT_VERBOSE((50, ompi_mtl_base_output,
"issend bits: 0x%016llx\n", match_bits));
mx_return = mx_issend( ompi_mtl_mx.mx_endpoint,
mtl_mx_request.mx_segment,
1,
mx_endpoint->mx_peer_addr,
match_bits,
&mtl_mx_request,
&mtl_mx_request.mx_request
);
if(mx_return != MX_SUCCESS ) {
char peer_name[MX_MAX_HOSTNAME_LEN];
if(MX_SUCCESS != mx_nic_id_to_hostname( mx_endpoint->mx_peer->nic_id, peer_name)) {
sprintf( peer_name, "unknown %lx nic_id", (long)mx_endpoint->mx_peer->nic_id );
}
opal_output(ompi_mtl_base_output, "Error in mx_issend (error %s) sending to %s\n", mx_strerror(mx_return), peer_name);
}
} else {
OPAL_OUTPUT_VERBOSE((50, ompi_mtl_base_output,
"isend bits: 0x%016llx\n", match_bits));
mx_return = mx_isend( ompi_mtl_mx.mx_endpoint,
mtl_mx_request.mx_segment,
1,
mx_endpoint->mx_peer_addr,
match_bits,
&mtl_mx_request,
&mtl_mx_request.mx_request
);
if(mx_return != MX_SUCCESS ) {
char peer_name[MX_MAX_HOSTNAME_LEN];
if(MX_SUCCESS != mx_nic_id_to_hostname( mx_endpoint->mx_peer->nic_id, peer_name)) {
sprintf( peer_name, "unknown %lx nic_id", (long)mx_endpoint->mx_peer->nic_id );
}
opal_output(ompi_mtl_base_output, "Error in mx_isend (error %s) sending to %s\n", mx_strerror(mx_return), peer_name);
}
}
do {
mx_return = mx_test(ompi_mtl_mx.mx_endpoint,
&mtl_mx_request.mx_request,
&mx_status,
&result);
if(mx_return != MX_SUCCESS) {
opal_output(ompi_mtl_base_output, "Error in mx_wait (error %s)\n", mx_strerror(mx_return));
abort();
}
if(result && mx_status.code != MX_STATUS_SUCCESS) {
opal_output(ompi_mtl_base_output, "Error in ompi_mtl_mx_send, mx_wait returned something other than MX_STATUS_SUCCESS: mx_status(%d).\n",
mx_status);
abort();
}
} while(!result);
return OMPI_SUCCESS;
}
int
ompi_mtl_mx_isend(struct mca_mtl_base_module_t* mtl,
struct ompi_communicator_t* comm,
int dest,
int tag,
struct ompi_convertor_t *convertor,
mca_pml_base_send_mode_t mode,
bool blocking,
mca_mtl_request_t * mtl_request)
{
mx_return_t mx_return;
uint64_t match_bits;
int ret;
mca_mtl_mx_request_t * mtl_mx_request = (mca_mtl_mx_request_t*) mtl_request;
size_t length;
ompi_proc_t* ompi_proc = ompi_comm_peer_lookup( comm, dest );
mca_mtl_mx_endpoint_t* mx_endpoint = (mca_mtl_mx_endpoint_t*) ompi_proc->proc_pml;
assert(mtl == &ompi_mtl_mx.super);
MX_SET_SEND_BITS(match_bits, comm->c_contextid, comm->c_my_rank, tag);
ret = ompi_mtl_datatype_pack(convertor,
&mtl_mx_request->mx_segment[0].segment_ptr,
&length,
&mtl_mx_request->free_after);
mtl_mx_request->mx_segment[0].segment_length = length;
mtl_mx_request->convertor = convertor;
mtl_mx_request->type = OMPI_MTL_MX_ISEND;
if (OMPI_SUCCESS != ret) return ret;
if(mode == MCA_PML_BASE_SEND_SYNCHRONOUS) {
OPAL_OUTPUT_VERBOSE((50, ompi_mtl_base_output,
"issend bits: 0x%016llx\n", match_bits));
mx_return = mx_issend( ompi_mtl_mx.mx_endpoint,
mtl_mx_request->mx_segment,
1,
mx_endpoint->mx_peer_addr,
match_bits,
mtl_mx_request,
&mtl_mx_request->mx_request
);
if(mx_return != MX_SUCCESS ) {
char peer_name[MX_MAX_HOSTNAME_LEN];
if(MX_SUCCESS != mx_nic_id_to_hostname( mx_endpoint->mx_peer->nic_id, peer_name)) {
sprintf( peer_name, "unknown %lx nic_id", (long)mx_endpoint->mx_peer->nic_id );
}
opal_output(ompi_mtl_base_output, "Error in mx_issend (error %s) sending to %s\n", mx_strerror(mx_return), peer_name);
}
} else {
OPAL_OUTPUT_VERBOSE((50, ompi_mtl_base_output,
"isend bits: 0x%016llx\n", match_bits));
mx_return = mx_isend( ompi_mtl_mx.mx_endpoint,
mtl_mx_request->mx_segment,
1,
mx_endpoint->mx_peer_addr,
match_bits,
mtl_mx_request,
&mtl_mx_request->mx_request
);
if(mx_return != MX_SUCCESS ) {
char peer_name[MX_MAX_HOSTNAME_LEN];
if(MX_SUCCESS != mx_nic_id_to_hostname( mx_endpoint->mx_peer->nic_id, peer_name)) {
sprintf( peer_name, "unknown %lx nic_id", (long)mx_endpoint->mx_peer->nic_id );
}
opal_output(ompi_mtl_base_output, "Error in mx_isend (error %s) sending to %s\n", mx_strerror(mx_return), peer_name);
}
}
return mx_return == MX_SUCCESS ? OMPI_SUCCESS : OMPI_ERROR;
}