299 строки
16 KiB
C
299 строки
16 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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#ifndef PML_CM_RECVREQ_H
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#define PML_CM_RECVREQ_H
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#include "pml_cm_request.h"
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#include "ompi/mca/pml/base/pml_base_recvreq.h"
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#include "ompi/mca/mtl/mtl.h"
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struct mca_pml_cm_thin_recv_request_t {
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mca_pml_cm_request_t req_base;
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struct ompi_communicator_t *req_comm; /**< communicator pointer */
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struct ompi_datatype_t *req_datatype; /**< pointer to data type */
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mca_mtl_request_t req_mtl; /**< the mtl specific memory */
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};
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typedef struct mca_pml_cm_thin_recv_request_t mca_pml_cm_thin_recv_request_t;
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OMPI_DECLSPEC OBJ_CLASS_DECLARATION(mca_pml_cm_thin_recv_request_t);
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struct mca_pml_cm_hvy_recv_request_t {
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mca_pml_cm_request_t req_base;
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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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struct ompi_communicator_t *req_comm; /**< communicator pointer */
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struct ompi_datatype_t *req_datatype; /**< pointer to data type */
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void *req_buff; /**< pointer to send buffer - may not be application buffer */
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size_t req_bytes_packed; /**< packed size of a message given the datatype and count */
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bool req_blocking;
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mca_mtl_request_t req_mtl; /**< the mtl specific memory */
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};
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typedef struct mca_pml_cm_hvy_recv_request_t mca_pml_cm_hvy_recv_request_t;
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OMPI_DECLSPEC OBJ_CLASS_DECLARATION(mca_pml_cm_hvy_recv_request_t);
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/**
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* Allocate a recv request from the modules free list.
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*
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* @param rc (OUT) OMPI_SUCCESS or error status on failure.
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* @return Receive request.
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*/
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#define MCA_PML_CM_THIN_RECV_REQUEST_ALLOC(recvreq, rc) \
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do { \
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ompi_free_list_item_t*item; \
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OMPI_FREE_LIST_GET(&ompi_pml_cm.cm_thin_recv_requests, item, rc); \
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recvreq = (mca_pml_cm_thin_recv_request_t*) item; \
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} while (0)
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#define MCA_PML_CM_HVY_RECV_REQUEST_ALLOC(recvreq, rc) \
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do { \
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ompi_free_list_item_t*item; \
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OMPI_FREE_LIST_GET(&ompi_pml_cm.cm_hvy_recv_requests, item, rc); \
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recvreq = (mca_pml_cm_hvy_recv_request_t*) item; \
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} while (0)
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/**
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* Initialize a receive request with call parameters.
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*
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* @param request (IN) Receive request.
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* @param addr (IN) User buffer.
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* @param count (IN) Number of elements of indicated datatype.
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* @param datatype (IN) User defined datatype.
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* @param src (IN) Source rank w/in the communicator.
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* @param tag (IN) User defined tag.
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* @param comm (IN) Communicator.
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* @param persistent (IN) Is this a ersistent request.
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*/
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#define MCA_PML_CM_THIN_RECV_REQUEST_INIT( request, \
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ompi_proc, \
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comm, \
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tag, \
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src, \
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datatype, \
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addr, \
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count ) \
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do { \
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OMPI_REQUEST_INIT(&(request)->req_base.req_ompi, false); \
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(request)->req_base.req_pml_complete = false; \
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(request)->req_base.req_free_called = false; \
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request->req_comm = comm; \
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request->req_datatype = datatype; \
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OBJ_RETAIN(comm); \
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OBJ_RETAIN(datatype); \
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\
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if( MPI_ANY_SOURCE == src ) { \
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ompi_proc = ompi_proc_local_proc; \
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} else { \
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ompi_proc = \
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comm->c_pml_procs[src]->proc_ompi; \
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} \
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ompi_convertor_copy_and_prepare_for_recv( \
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ompi_proc->proc_convertor, \
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datatype, \
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count, \
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addr, \
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0, \
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&(request)->req_base.req_convertor ); \
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} while(0)
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#define MCA_PML_CM_HVY_RECV_REQUEST_INIT( request, \
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ompi_proc, \
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comm, \
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tag, \
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src, \
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datatype, \
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addr, \
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count, \
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persistent) \
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do { \
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OMPI_REQUEST_INIT(&(request)->req_base.req_ompi, persistent); \
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(request)->req_base.req_pml_complete = (persistent ? true : false); \
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(request)->req_base.req_free_called = false; \
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request->req_comm = comm; \
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request->req_tag = tag; \
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request->req_peer = src; \
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request->req_datatype = datatype; \
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request->req_addr = addr; \
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request->req_count = count; \
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OBJ_RETAIN(comm); \
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OBJ_RETAIN(datatype); \
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\
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if( MPI_ANY_SOURCE == src ) { \
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ompi_proc = ompi_proc_local_proc; \
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} else { \
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ompi_proc = \
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comm->c_pml_procs[src]->proc_ompi; \
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} \
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ompi_convertor_copy_and_prepare_for_recv( \
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ompi_proc->proc_convertor, \
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datatype, \
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count, \
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addr, \
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0, \
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&(request)->req_base.req_convertor ); \
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} while(0)
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/**
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* Start an initialized request.
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*
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* @param request Receive request.
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* @return OMPI_SUCESS or error status on failure.
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*/
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#define MCA_PML_CM_THIN_RECV_REQUEST_START(request, comm, tag, src, ret) \
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do { \
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/* init/re-init the request */ \
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request->req_base.req_pml_complete = false; \
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request->req_base.req_ompi.req_complete = false; \
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request->req_base.req_ompi.req_state = OMPI_REQUEST_ACTIVE; \
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\
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/* always set the req_status.MPI_TAG to ANY_TAG before starting the \
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* request. This field is used if cancelled to find out if the request \
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* has been matched or not. \
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*/ \
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request->req_base.req_ompi.req_status.MPI_TAG = OMPI_ANY_TAG; \
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request->req_base.req_ompi.req_status.MPI_ERROR = OMPI_SUCCESS; \
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request->req_base.req_ompi.req_status._cancelled = 0; \
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ret = OMPI_MTL_CALL(irecv(ompi_mtl, \
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comm, \
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src, \
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tag, \
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&recvreq->req_base.req_convertor, \
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&recvreq->req_mtl)); \
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} while (0)
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#define MCA_PML_CM_HVY_RECV_REQUEST_START(request, ret) \
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do { \
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/* opal_output(0, "posting hvy request %d\n", request); */ \
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/* init/re-init the request */ \
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request->req_base.req_pml_complete = false; \
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request->req_base.req_ompi.req_complete = false; \
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request->req_base.req_ompi.req_state = OMPI_REQUEST_ACTIVE; \
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\
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/* always set the req_status.MPI_TAG to ANY_TAG before starting the \
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* request. This field is used if cancelled to find out if the request \
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* has been matched or not. \
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*/ \
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request->req_base.req_ompi.req_status.MPI_TAG = OMPI_ANY_TAG; \
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request->req_base.req_ompi.req_status.MPI_ERROR = OMPI_SUCCESS; \
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request->req_base.req_ompi.req_status._cancelled = 0; \
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ret = OMPI_MTL_CALL(irecv(ompi_mtl, \
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request->req_comm, \
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request->req_peer, \
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request->req_tag, \
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&recvreq->req_base.req_convertor, \
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&recvreq->req_mtl)); \
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} while (0)
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/**
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* Mark the request as completed at MPI level for internal purposes.
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*
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* @param recvreq (IN) Receive request.
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*/
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#define MCA_PML_CM_THIN_RECV_REQUEST_MPI_COMPLETE( recvreq ) \
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do { \
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MCA_PML_BASE_REQUEST_MPI_COMPLETE( &(recvreq->req_base.req_ompi) ); \
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} while (0)
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/**
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* Return a recv request to the modules free list.
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*
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* @param recvreq (IN) Receive request.
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*/
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#define MCA_PML_CM_THIN_RECV_REQUEST_PML_COMPLETE(recvreq) \
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do { \
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assert( false == recvreq->req_base.req_pml_complete ); \
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\
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OPAL_THREAD_LOCK(&ompi_request_lock); \
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\
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if( true == recvreq->req_base.req_free_called ) { \
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MCA_PML_CM_THIN_RECV_REQUEST_RETURN( recvreq ); \
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} else { \
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recvreq->req_base.req_pml_complete = true; \
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MCA_PML_BASE_REQUEST_MPI_COMPLETE( &(recvreq->req_base.req_ompi) ); \
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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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* Return a recv request to the modules free list.
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*
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* @param recvreq (IN) Receive request.
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*/
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#define MCA_PML_CM_HVY_RECV_REQUEST_PML_COMPLETE(recvreq) \
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do { \
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assert( false == recvreq->req_base.req_pml_complete ); \
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\
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OPAL_THREAD_LOCK(&ompi_request_lock); \
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\
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if( true == recvreq->req_base.req_free_called ) { \
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MCA_PML_CM_HVY_RECV_REQUEST_RETURN( recvreq ); \
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} else { \
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/* initialize request status */ \
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if(recvreq->req_base.req_ompi.req_persistent) { \
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/* rewind convertor */ \
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size_t offset = 0; \
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ompi_convertor_set_position(&recvreq->req_base.req_convertor, &offset); \
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} \
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recvreq->req_base.req_pml_complete = true; \
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MCA_PML_BASE_REQUEST_MPI_COMPLETE( &(recvreq->req_base.req_ompi) ); \
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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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* Free the PML receive request
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*/
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#define MCA_PML_CM_HVY_RECV_REQUEST_RETURN(recvreq) \
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{ \
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OBJ_RELEASE((recvreq)->req_comm); \
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OBJ_RELEASE((recvreq)->req_datatype); \
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OMPI_REQUEST_FINI(&(recvreq)->req_base.req_ompi); \
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ompi_convertor_cleanup( &((recvreq)->req_base.req_convertor) ); \
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OMPI_FREE_LIST_RETURN( &ompi_pml_cm.cm_hvy_recv_requests, \
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(ompi_free_list_item_t*)(recvreq)); \
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}
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/**
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* Free the PML receive request
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*/
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#define MCA_PML_CM_THIN_RECV_REQUEST_RETURN(recvreq) \
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{ \
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OBJ_RELEASE((recvreq)->req_comm); \
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OBJ_RELEASE((recvreq)->req_datatype); \
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OMPI_REQUEST_FINI(&(recvreq)->req_base.req_ompi); \
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ompi_convertor_cleanup( &((recvreq)->req_base.req_convertor) ); \
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OMPI_FREE_LIST_RETURN( &ompi_pml_cm.cm_thin_recv_requests, \
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(ompi_free_list_item_t*)(recvreq)); \
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}
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#endif
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