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/*
* 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 "opal/prefetch.h"
#include "ompi/datatype/ompi_datatype.h"
#include "ompi/communicator/communicator.h"
#include "pml_cm.h"
#include "pml_cm_sendreq.h"
int
mca_pml_cm_isend_init(void* buf,
size_t count,
ompi_datatype_t* datatype,
int dst,
int tag,
mca_pml_base_send_mode_t sendmode,
ompi_communicator_t* comm,
ompi_request_t** request)
{
int ret;
mca_pml_cm_hvy_send_request_t *sendreq;
ompi_proc_t* ompi_proc;
MCA_PML_CM_HVY_SEND_REQUEST_ALLOC(sendreq, comm, dst, ompi_proc, ret);
if (OPAL_UNLIKELY(OMPI_SUCCESS != ret)) return ret;
MCA_PML_CM_HVY_SEND_REQUEST_INIT(sendreq, ompi_proc, comm, tag, dst,
datatype, sendmode, true, false, buf, count);
*request = (ompi_request_t*) sendreq;
return OMPI_SUCCESS;
}
int
mca_pml_cm_isend(void* buf,
size_t count,
ompi_datatype_t* datatype,
int dst,
int tag,
mca_pml_base_send_mode_t sendmode,
ompi_communicator_t* comm,
ompi_request_t** request)
{
int ret;
if(sendmode == MCA_PML_BASE_SEND_BUFFERED ) {
mca_pml_cm_hvy_send_request_t* sendreq;
ompi_proc_t* ompi_proc;
MCA_PML_CM_HVY_SEND_REQUEST_ALLOC(sendreq, comm, dst, ompi_proc, ret);
if (OPAL_UNLIKELY(OMPI_SUCCESS != ret)) return ret;
MCA_PML_CM_HVY_SEND_REQUEST_INIT(sendreq,
ompi_proc,
comm,
tag,
dst,
datatype,
sendmode,
false,
false,
buf,
count);
MCA_PML_CM_HVY_SEND_REQUEST_START( sendreq, ret);
if (OPAL_LIKELY(OMPI_SUCCESS == ret)) *request = (ompi_request_t*) sendreq;
} else {
mca_pml_cm_thin_send_request_t* sendreq;
ompi_proc_t* ompi_proc;
MCA_PML_CM_THIN_SEND_REQUEST_ALLOC(sendreq, comm, dst, ompi_proc, ret);
if (OPAL_UNLIKELY(OMPI_SUCCESS != ret)) return ret;
MCA_PML_CM_THIN_SEND_REQUEST_INIT(sendreq,
ompi_proc,
comm,
tag,
dst,
datatype,
sendmode,
buf,
count);
MCA_PML_CM_THIN_SEND_REQUEST_START(
sendreq,
comm,
tag,
dst,
sendmode,
false,
ret);
if (OPAL_LIKELY(OMPI_SUCCESS == ret)) *request = (ompi_request_t*) sendreq;
}
return ret;
}
int
mca_pml_cm_send(void *buf,
size_t count,
ompi_datatype_t* datatype,
int dst,
int tag,
mca_pml_base_send_mode_t sendmode,
ompi_communicator_t* comm)
{
int ret = OMPI_ERROR;
if(sendmode == MCA_PML_BASE_SEND_BUFFERED) {
mca_pml_cm_hvy_send_request_t *sendreq;
ompi_proc_t * ompi_proc;
MCA_PML_CM_HVY_SEND_REQUEST_ALLOC(sendreq, comm, dst, ompi_proc, ret);
if (OPAL_UNLIKELY(OMPI_SUCCESS != ret)) return ret;
MCA_PML_CM_HVY_SEND_REQUEST_INIT(sendreq,
ompi_proc,
comm,
tag,
dst,
datatype,
sendmode,
false,
false,
buf,
count);
MCA_PML_CM_HVY_SEND_REQUEST_START(sendreq, ret);
if (OPAL_UNLIKELY(OMPI_SUCCESS != ret)) {
MCA_PML_CM_HVY_SEND_REQUEST_RETURN(sendreq);
return ret;
}
ompi_request_free( (ompi_request_t**)&sendreq );
} else {
mca_pml_cm_thin_send_request_t *sendreq;
ompi_proc_t * ompi_proc;
MCA_PML_CM_THIN_SEND_REQUEST_ALLOC(sendreq, comm, dst, ompi_proc, ret);
if (OPAL_UNLIKELY(OMPI_SUCCESS != ret)) return ret;
MCA_PML_CM_THIN_SEND_REQUEST_INIT(sendreq,
ompi_proc,
comm,
tag,
dst,
datatype,
sendmode,
buf,
count);
if (NULL == ompi_mtl->mtl_send) {
MCA_PML_CM_THIN_SEND_REQUEST_START(sendreq,
comm,
tag,
dst,
sendmode,
false,
ret);
if (OPAL_UNLIKELY(OMPI_SUCCESS != ret)) {
MCA_PML_CM_THIN_SEND_REQUEST_RETURN(sendreq);
return ret;
}
ompi_request_wait_completion(&sendreq->req_send.req_base.req_ompi);
ompi_request_free( (ompi_request_t**)&sendreq );
} else {
MCA_PML_CM_SEND_REQUEST_START_SETUP((&sendreq->req_send));
ret = OMPI_MTL_CALL(send(ompi_mtl,
comm,
dst,
tag,
&sendreq->req_send.req_base.req_convertor,
sendmode));
/* Allow a quick path for the request return */
sendreq->req_send.req_base.req_free_called = true;
MCA_PML_CM_THIN_SEND_REQUEST_PML_COMPLETE(sendreq);
}
}
return ret;
}
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