357 строки
21 KiB
C
357 строки
21 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) 2004-2013 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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#ifndef PML_CM_SENDREQ_H
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#define PML_CM_SENDREQ_H
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#include "pml_cm_request.h"
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#include "ompi/mca/pml/base/pml_base_sendreq.h"
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#include "ompi/mca/pml/base/pml_base_bsend.h"
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#include "ompi/mca/pml/pml.h"
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#include "ompi/mca/mtl/mtl.h"
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#include "opal/prefetch.h"
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struct mca_pml_cm_send_request_t {
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mca_pml_cm_request_t req_base;
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mca_pml_base_send_mode_t req_send_mode;
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};
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typedef struct mca_pml_cm_send_request_t mca_pml_cm_send_request_t;
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OBJ_CLASS_DECLARATION(mca_pml_cm_send_request_t);
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struct mca_pml_cm_thin_send_request_t {
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mca_pml_cm_send_request_t req_send;
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mca_mtl_request_t req_mtl; /**< the mtl specific memory. This field should be the last in the struct */
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};
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typedef struct mca_pml_cm_thin_send_request_t mca_pml_cm_thin_send_request_t;
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OBJ_CLASS_DECLARATION(mca_pml_cm_thin_send_request_t);
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struct mca_pml_cm_hvy_send_request_t {
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mca_pml_cm_send_request_t req_send;
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void *req_addr; /**< pointer to application buffer */
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size_t req_count; /**< count of user datatype elements */
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int32_t req_peer; /**< peer process - rank w/in this communicator */
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int32_t req_tag; /**< user defined tag */
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void *req_buff; /**< pointer to send buffer - may not be application buffer */
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bool req_blocking;
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mca_mtl_request_t req_mtl; /**< the mtl specific memory. This field should be the last in the struct */
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};
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typedef struct mca_pml_cm_hvy_send_request_t mca_pml_cm_hvy_send_request_t;
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OBJ_CLASS_DECLARATION(mca_pml_cm_hvy_send_request_t);
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#define MCA_PML_CM_THIN_SEND_REQUEST_ALLOC(sendreq, comm, dst, \
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ompi_proc) \
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do { \
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ompi_free_list_item_t* item; \
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ompi_proc = ompi_comm_peer_lookup( comm, dst ); \
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\
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if(OPAL_UNLIKELY(NULL == ompi_proc)) { \
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sendreq = NULL; \
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} else { \
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OMPI_FREE_LIST_WAIT_MT(&mca_pml_base_send_requests, item); \
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sendreq = (mca_pml_cm_thin_send_request_t*)item; \
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sendreq->req_send.req_base.req_pml_type = MCA_PML_CM_REQUEST_SEND_THIN; \
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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_send_request_completion; \
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} \
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} while(0)
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#define MCA_PML_CM_HVY_SEND_REQUEST_ALLOC(sendreq, comm, dst, \
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ompi_proc) \
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{ \
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ompi_free_list_item_t* item; \
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ompi_proc = ompi_comm_peer_lookup( comm, dst ); \
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if(OPAL_UNLIKELY(NULL == ompi_proc)) { \
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sendreq = NULL; \
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} else { \
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OMPI_FREE_LIST_WAIT_MT(&mca_pml_base_send_requests, item); \
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sendreq = (mca_pml_cm_hvy_send_request_t*)item; \
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sendreq->req_send.req_base.req_pml_type = MCA_PML_CM_REQUEST_SEND_HEAVY; \
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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_send_request_completion; \
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} \
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}
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#define MCA_PML_CM_SEND_REQUEST_INIT_COMMON(req_send, \
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ompi_proc, \
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comm, \
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tag, \
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datatype, \
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sendmode, \
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buf, \
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count) \
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{ \
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OBJ_RETAIN(comm); \
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OBJ_RETAIN(datatype); \
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(req_send)->req_base.req_comm = comm; \
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(req_send)->req_base.req_datatype = datatype; \
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opal_convertor_copy_and_prepare_for_send( \
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ompi_proc->proc_convertor, \
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&(datatype->super), \
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count, \
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buf, \
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0, \
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&(req_send)->req_base.req_convertor ); \
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(req_send)->req_base.req_ompi.req_mpi_object.comm = comm; \
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(req_send)->req_base.req_ompi.req_status.MPI_SOURCE = \
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comm->c_my_rank; \
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(req_send)->req_base.req_ompi.req_status.MPI_TAG = tag; \
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(req_send)->req_base.req_ompi.req_status._ucount = count; \
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(req_send)->req_send_mode = sendmode; \
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(req_send)->req_base.req_free_called = false; \
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}
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#define MCA_PML_CM_HVY_SEND_REQUEST_INIT( sendreq, \
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ompi_proc, \
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comm, \
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tag, \
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dst, \
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datatype, \
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sendmode, \
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persistent, \
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blocking, \
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buf, \
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count) \
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do { \
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OMPI_REQUEST_INIT(&(sendreq->req_send.req_base.req_ompi), \
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persistent); \
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sendreq->req_tag = tag; \
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sendreq->req_peer = dst; \
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sendreq->req_addr = buf; \
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sendreq->req_count = count; \
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MCA_PML_CM_SEND_REQUEST_INIT_COMMON( (&sendreq->req_send), \
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ompi_proc, \
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comm, \
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tag, \
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datatype, \
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sendmode, \
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buf, \
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count); \
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opal_convertor_get_packed_size( \
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&sendreq->req_send.req_base.req_convertor, \
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&sendreq->req_count ); \
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\
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sendreq->req_blocking = blocking; \
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sendreq->req_send.req_base.req_pml_complete = \
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(persistent ? true:false); \
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} while(0)
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#define MCA_PML_CM_THIN_SEND_REQUEST_INIT( sendreq, \
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ompi_proc, \
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comm, \
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tag, \
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dst, \
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datatype, \
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sendmode, \
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buf, \
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count) \
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do { \
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OMPI_REQUEST_INIT(&(sendreq->req_send.req_base.req_ompi), \
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false); \
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MCA_PML_CM_SEND_REQUEST_INIT_COMMON( (&sendreq->req_send), \
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ompi_proc, \
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comm, \
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tag, \
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datatype, \
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sendmode, \
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buf, \
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count); \
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sendreq->req_send.req_base.req_pml_complete = false; \
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} while(0)
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#define MCA_PML_CM_SEND_REQUEST_START_SETUP(req_send) \
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do { \
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(req_send)->req_base.req_pml_complete = false; \
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(req_send)->req_base.req_ompi.req_complete = false; \
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(req_send)->req_base.req_ompi.req_state = \
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OMPI_REQUEST_ACTIVE; \
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(req_send)->req_base.req_ompi.req_status._cancelled = 0; \
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} while (0)
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#define MCA_PML_CM_THIN_SEND_REQUEST_START(sendreq, \
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comm, \
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tag, \
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dst, \
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sendmode, \
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blocking, \
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ret) \
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do { \
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MCA_PML_CM_SEND_REQUEST_START_SETUP(&(sendreq)->req_send); \
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ret = OMPI_MTL_CALL(isend(ompi_mtl, \
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comm, \
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dst, \
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tag, \
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&sendreq->req_send.req_base.req_convertor, \
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sendmode, \
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blocking, \
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&sendreq->req_mtl)); \
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} while (0)
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#define MCA_PML_CM_HVY_SEND_REQUEST_BSEND_ALLOC(sendreq, ret) \
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do { \
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struct iovec iov; \
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unsigned int iov_count; \
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size_t max_data; \
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\
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if(sendreq->req_count > 0) { \
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sendreq->req_buff = \
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mca_pml_base_bsend_request_alloc_buf(sendreq->req_count); \
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if (NULL == sendreq->req_buff) { \
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ret = MPI_ERR_BUFFER; \
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} else { \
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iov.iov_base = (IOVBASE_TYPE*)sendreq->req_buff; \
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max_data = iov.iov_len = sendreq->req_count; \
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iov_count = 1; \
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opal_convertor_pack( &sendreq->req_send.req_base.req_convertor, \
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&iov, \
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&iov_count, \
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&max_data ); \
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opal_convertor_prepare_for_send( &sendreq->req_send.req_base.req_convertor, \
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&(ompi_mpi_packed.dt.super), \
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max_data, sendreq->req_buff ); \
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} \
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} \
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} while(0);
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#define MCA_PML_CM_HVY_SEND_REQUEST_START(sendreq, ret) \
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do { \
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ret = OMPI_SUCCESS; \
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MCA_PML_CM_SEND_REQUEST_START_SETUP(&(sendreq)->req_send); \
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if (sendreq->req_send.req_send_mode == MCA_PML_BASE_SEND_BUFFERED) { \
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MCA_PML_CM_HVY_SEND_REQUEST_BSEND_ALLOC(sendreq, ret); \
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} \
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if (OMPI_SUCCESS == ret) { \
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ret = OMPI_MTL_CALL(isend(ompi_mtl, \
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sendreq->req_send.req_base.req_comm, \
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sendreq->req_peer, \
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sendreq->req_tag, \
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&sendreq->req_send.req_base.req_convertor, \
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sendreq->req_send.req_send_mode, \
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sendreq->req_blocking, \
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&sendreq->req_mtl)); \
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if(OMPI_SUCCESS == ret && \
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sendreq->req_send.req_send_mode == MCA_PML_BASE_SEND_BUFFERED) { \
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sendreq->req_send.req_base.req_ompi.req_status.MPI_ERROR = 0; \
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ompi_request_complete(&(sendreq)->req_send.req_base.req_ompi, true); \
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} \
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} \
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} while (0)
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/*
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* The PML has completed a send request. Note that this request
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* may have been orphaned by the user or have already completed
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* at the MPI level.
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* This macro will never be called directly from the upper level, as it should
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* only be an internal call to the PML.
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*/
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#define MCA_PML_CM_HVY_SEND_REQUEST_PML_COMPLETE(sendreq) \
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do { \
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assert( false == sendreq->req_send.req_base.req_pml_complete ); \
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\
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if (sendreq->req_send.req_send_mode == MCA_PML_BASE_SEND_BUFFERED && \
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sendreq->req_count > 0 ) { \
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mca_pml_base_bsend_request_free(sendreq->req_buff); \
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} \
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\
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OPAL_THREAD_LOCK(&ompi_request_lock); \
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if( false == sendreq->req_send.req_base.req_ompi.req_complete ) { \
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/* Should only be called for long messages (maybe synchronous) */ \
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ompi_request_complete(&(sendreq->req_send.req_base.req_ompi), true); \
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} \
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sendreq->req_send.req_base.req_pml_complete = true; \
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\
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if( sendreq->req_send.req_base.req_free_called ) { \
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MCA_PML_CM_HVY_SEND_REQUEST_RETURN( sendreq ); \
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} else { \
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if(sendreq->req_send.req_base.req_ompi.req_persistent) { \
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/* rewind convertor */ \
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size_t offset = 0; \
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opal_convertor_set_position(&sendreq->req_send.req_base.req_convertor, \
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&offset); \
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} \
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} \
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OPAL_THREAD_UNLOCK(&ompi_request_lock); \
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} while (0)
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/*
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* Release resources associated with a request
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*/
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#define MCA_PML_CM_HVY_SEND_REQUEST_RETURN(sendreq) \
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{ \
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/* Let the base handle the reference counts */ \
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OBJ_RELEASE(sendreq->req_send.req_base.req_datatype); \
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OBJ_RELEASE(sendreq->req_send.req_base.req_comm); \
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OMPI_REQUEST_FINI(&sendreq->req_send.req_base.req_ompi); \
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opal_convertor_cleanup( &(sendreq->req_send.req_base.req_convertor) ); \
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OMPI_FREE_LIST_RETURN_MT( &mca_pml_base_send_requests, \
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(ompi_free_list_item_t*)sendreq); \
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}
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/*
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* The PML has completed a send request. Note that this request
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* may have been orphaned by the user or have already completed
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* at the MPI level.
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* This macro will never be called directly from the upper level, as it should
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* only be an internal call to the PML.
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*/
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#define MCA_PML_CM_THIN_SEND_REQUEST_PML_COMPLETE(sendreq) \
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do { \
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assert( false == sendreq->req_send.req_base.req_pml_complete ); \
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\
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OPAL_THREAD_LOCK(&ompi_request_lock); \
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if( false == sendreq->req_send.req_base.req_ompi.req_complete ) { \
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/* Should only be called for long messages (maybe synchronous) */ \
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ompi_request_complete(&(sendreq->req_send.req_base.req_ompi), true); \
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} \
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sendreq->req_send.req_base.req_pml_complete = true; \
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\
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if( sendreq->req_send.req_base.req_free_called ) { \
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MCA_PML_CM_THIN_SEND_REQUEST_RETURN( sendreq ); \
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} \
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OPAL_THREAD_UNLOCK(&ompi_request_lock); \
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} while (0)
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/*
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* Release resources associated with a request
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*/
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#define MCA_PML_CM_THIN_SEND_REQUEST_RETURN(sendreq) \
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{ \
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/* Let the base handle the reference counts */ \
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OBJ_RELEASE(sendreq->req_send.req_base.req_datatype); \
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OBJ_RELEASE(sendreq->req_send.req_base.req_comm); \
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OMPI_REQUEST_FINI(&sendreq->req_send.req_base.req_ompi); \
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opal_convertor_cleanup( &(sendreq->req_send.req_base.req_convertor) ); \
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OMPI_FREE_LIST_RETURN_MT( &mca_pml_base_send_requests, \
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(ompi_free_list_item_t*)sendreq); \
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}
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extern void
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mca_pml_cm_send_request_completion(struct mca_mtl_request_t *mtl_request);
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#endif
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