6ed255f114
all but buffered and persistent requests. Unfortunately we were note able to reuse the pml_base_request_t as it was just too heavy for our needs. Lots of code for 2/10 usec ;-) This commit was SVN r10810.
110 строки
3.9 KiB
C
110 строки
3.9 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2006 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2006 The Regents of the University of California.
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* All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include "ompi_config.h"
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#include "pml_cm.h"
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#include "pml_cm_sendreq.h"
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static int
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mca_pml_cm_thin_send_request_free(struct ompi_request_t** request);
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static int
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mca_pml_cm_hvy_send_request_free(struct ompi_request_t** request);
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static void mca_pml_cm_thin_send_request_construct(mca_pml_cm_thin_send_request_t* req);
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static void mca_pml_cm_hvy_send_request_construct(mca_pml_cm_hvy_send_request_t* sendreq);
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OBJ_CLASS_INSTANCE(mca_pml_cm_send_request_t,
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mca_pml_cm_request_t,
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NULL,
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NULL);
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OBJ_CLASS_INSTANCE(mca_pml_cm_thin_send_request_t,
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mca_pml_cm_send_request_t,
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mca_pml_cm_thin_send_request_construct,
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NULL);
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OBJ_CLASS_INSTANCE(mca_pml_cm_hvy_send_request_t,
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mca_pml_cm_send_request_t,
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mca_pml_cm_hvy_send_request_construct,
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NULL);
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static void mca_pml_cm_thin_send_request_construct(mca_pml_cm_thin_send_request_t* sendreq)
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{
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/* no need to reinit for every send -- never changes */
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sendreq->req_mtl.ompi_req = (ompi_request_t*) sendreq;
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sendreq->req_mtl.completion_callback = mca_pml_cm_thin_send_request_completion;
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sendreq->req_send.req_base.req_ompi.req_free = mca_pml_cm_thin_send_request_free;
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sendreq->req_send.req_base.req_ompi.req_cancel = mca_pml_cm_cancel;
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}
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static void mca_pml_cm_hvy_send_request_construct(mca_pml_cm_hvy_send_request_t* sendreq)
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{
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/* no need to reinit for every send -- never changes */
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sendreq->req_mtl.ompi_req = (ompi_request_t*) sendreq;
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sendreq->req_mtl.completion_callback = mca_pml_cm_hvy_send_request_completion;
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sendreq->req_send.req_base.req_ompi.req_free = mca_pml_cm_hvy_send_request_free;
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sendreq->req_send.req_base.req_ompi.req_cancel = mca_pml_cm_cancel;
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}
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/*
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* The free call mark the final stage in a request
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* life-cycle. Starting from this point the request is completed at
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* both PML and user level, and can be used for others p2p
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* communications. Therefore, in the case of the CM PML it should be
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* added to the free request list.
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*/
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static int
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mca_pml_cm_thin_send_request_free(struct ompi_request_t** request)
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{
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mca_pml_cm_send_request_t* sendreq = *(mca_pml_cm_send_request_t**)request;
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assert( false == sendreq->req_base.req_free_called );
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OPAL_THREAD_LOCK(&ompi_request_lock);
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sendreq->req_base.req_free_called = true;
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if( true == sendreq->req_base.req_pml_complete ) {
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MCA_PML_CM_THIN_SEND_REQUEST_RETURN( ((mca_pml_cm_thin_send_request_t*) sendreq) );
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}
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OPAL_THREAD_UNLOCK(&ompi_request_lock);
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*request = MPI_REQUEST_NULL;
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return OMPI_SUCCESS;
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}
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static int
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mca_pml_cm_hvy_send_request_free(struct ompi_request_t** request)
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{
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mca_pml_cm_send_request_t* sendreq = *(mca_pml_cm_send_request_t**)request;
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assert( false == sendreq->req_base.req_free_called );
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OPAL_THREAD_LOCK(&ompi_request_lock);
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sendreq->req_base.req_free_called = true;
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if( true == sendreq->req_base.req_pml_complete ) {
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MCA_PML_CM_HVY_SEND_REQUEST_RETURN( ((mca_pml_cm_hvy_send_request_t*) sendreq) );
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}
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OPAL_THREAD_UNLOCK(&ompi_request_lock);
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*request = MPI_REQUEST_NULL;
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return OMPI_SUCCESS;
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}
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