1a9f48c89d
r14703 for the point-to-point component.
* Associate the list of long message requests to poll with the
component, not the individual modules
* add progress thread that sits on the OMPI request structure
and wakes up at the appropriate time to poll the message
list to move long messages asynchronously.
* Instead of calling opal_progress() all over the place, move
to using the condition variables like the rest of the project.
Has the advantage of moving it slightly further along in the
becoming thread safe thing.
* Fix a problem with the passive side of unlock where it could
go recursive and cause all kinds of problems, especially
when progress threads are used. Instead, have two parts of
passive unlock -- one to start the unlock, and another to
complete the lock and send the ack back. The data moving
code trips the second at the right time.
This commit was SVN r14751.
The following SVN revision numbers were found above:
r14703 --> open-mpi/ompi@2b4b754925
142 строки
4.6 KiB
C
142 строки
4.6 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University.
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* All rights reserved.
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* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
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* All rights 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) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2007 Los Alamos National Security, LLC. All rights
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* 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 OMPI_OSC_RDMA_REPLYREQ_H
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#define OMPI_OSC_RDMA_REPLYREQ_H
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#include "osc_rdma.h"
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#include "osc_rdma_longreq.h"
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#include "opal/class/opal_list.h"
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#include "opal/threads/mutex.h"
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#include "ompi/datatype/datatype.h"
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#include "ompi/datatype/convertor.h"
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#include "ompi/communicator/communicator.h"
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#include "ompi/proc/proc.h"
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#include "ompi/op/op.h"
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#include "ompi/mca/pml/pml.h"
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struct ompi_osc_rdma_replyreq_t {
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opal_list_item_t super;
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/** pointer to the module that created the replyreq */
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ompi_osc_rdma_module_t *rep_module;
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/** Datatype for the target side of the operation */
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struct ompi_datatype_t *rep_target_datatype;
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/** Convertor for the target. Always setup for send. */
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ompi_convertor_t rep_target_convertor;
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/** packed size of message on the target side */
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size_t rep_target_bytes_packed;
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/** rank in module's communicator for origin of operation */
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int rep_origin_rank;
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/** pointer to the proc structure for the origin of the operation */
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ompi_proc_t *rep_origin_proc;
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ompi_ptr_t rep_origin_sendreq;
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};
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typedef struct ompi_osc_rdma_replyreq_t ompi_osc_rdma_replyreq_t;
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OBJ_CLASS_DECLARATION(ompi_osc_rdma_replyreq_t);
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/** allocate and populate a replyreq structure. datatype is
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RETAINed for the life of the replyreq */
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int
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ompi_osc_rdma_replyreq_alloc_init(ompi_osc_rdma_module_t *module,
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int origin,
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ompi_ptr_t origin_request,
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int target_displacement,
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int target_count,
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struct ompi_datatype_t *datatype,
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ompi_osc_rdma_replyreq_t **replyreq);
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static inline int
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ompi_osc_rdma_replyreq_alloc(ompi_osc_rdma_module_t *module,
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int origin_rank,
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ompi_osc_rdma_replyreq_t **replyreq)
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{
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int ret;
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opal_free_list_item_t *item;
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ompi_proc_t *proc = ompi_comm_peer_lookup( module->m_comm, origin_rank );
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/* BWB - FIX ME - is this really the right return code? */
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if (NULL == proc) return OMPI_ERR_OUT_OF_RESOURCE;
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OPAL_FREE_LIST_GET(&mca_osc_rdma_component.c_replyreqs,
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item, ret);
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if (OMPI_SUCCESS != ret) return ret;
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*replyreq = (ompi_osc_rdma_replyreq_t*) item;
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(*replyreq)->rep_module = module;
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(*replyreq)->rep_origin_rank = origin_rank;
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(*replyreq)->rep_origin_proc = proc;
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return OMPI_SUCCESS;
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}
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static inline int
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ompi_osc_rdma_replyreq_init_target(ompi_osc_rdma_replyreq_t *replyreq,
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void *target_addr,
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int target_count,
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struct ompi_datatype_t *target_dt)
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{
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OBJ_RETAIN(target_dt);
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replyreq->rep_target_datatype = target_dt;
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ompi_convertor_copy_and_prepare_for_send(replyreq->rep_origin_proc->proc_convertor,
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target_dt,
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target_count,
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target_addr,
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0,
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&(replyreq->rep_target_convertor));
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ompi_convertor_get_packed_size(&replyreq->rep_target_convertor,
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&replyreq->rep_target_bytes_packed);
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return OMPI_SUCCESS;
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}
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static inline int
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ompi_osc_rdma_replyreq_init_origin(ompi_osc_rdma_replyreq_t *replyreq,
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ompi_ptr_t origin_request)
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{
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replyreq->rep_origin_sendreq = origin_request;
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return OMPI_SUCCESS;
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}
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static inline int
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ompi_osc_rdma_replyreq_free(ompi_osc_rdma_replyreq_t *replyreq)
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{
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ompi_convertor_cleanup(&replyreq->rep_target_convertor);
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OBJ_RELEASE(replyreq->rep_target_datatype);
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OPAL_FREE_LIST_RETURN(&mca_osc_rdma_component.c_replyreqs,
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(opal_list_item_t*) replyreq);
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return OMPI_SUCCESS;
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}
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#endif /* OMPI_OSC_RDMA_REPLYREQ_H */
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