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
178 строки
6.2 KiB
C
178 строки
6.2 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_SENDREQ_H
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#define OMPI_OSC_RDMA_SENDREQ_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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typedef enum {
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OMPI_OSC_RDMA_GET,
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OMPI_OSC_RDMA_ACC,
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OMPI_OSC_RDMA_PUT
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} ompi_osc_rdma_req_type_t;
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struct ompi_osc_rdma_sendreq_t {
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ompi_request_t super;
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/** type of sendreq (from ompi_osc_rdma_req_type_t) */
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ompi_osc_rdma_req_type_t req_type;
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/** pointer to the module that created the sendreq */
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ompi_osc_rdma_module_t *req_module;
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/** Datatype for the origin side of the operation */
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struct ompi_datatype_t *req_origin_datatype;
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/** Convertor for the origin side of the operation. Setup for
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either send (Put / Accumulate) or receive (Get) */
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ompi_convertor_t req_origin_convertor;
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/** packed size of message on the origin side */
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size_t req_origin_bytes_packed;
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/** rank in module's communicator for target of operation */
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int req_target_rank;
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/** pointer to the proc structure for the target of the operation */
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ompi_proc_t *req_target_proc;
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/** displacement on target */
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int req_target_disp;
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/** datatype count on target */
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int req_target_count;
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/** datatype on target */
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struct ompi_datatype_t *req_target_datatype;
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/** op index on the target */
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int req_op_id;
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};
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typedef struct ompi_osc_rdma_sendreq_t ompi_osc_rdma_sendreq_t;
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OBJ_CLASS_DECLARATION(ompi_osc_rdma_sendreq_t);
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/** allocate and populate a sendreq structure. Both datatypes are
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RETAINed for the life of the sendreq */
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int
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ompi_osc_rdma_sendreq_alloc_init(ompi_osc_rdma_req_type_t req_type,
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void *origin_addr, int origin_count,
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struct ompi_datatype_t *origin_dt,
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int target, int target_disp, int target_count,
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struct ompi_datatype_t *target_datatype,
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ompi_osc_rdma_module_t *module,
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ompi_osc_rdma_sendreq_t **sendreq);
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static inline int
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ompi_osc_rdma_sendreq_alloc(ompi_osc_rdma_module_t *module,
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int target_rank,
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ompi_osc_rdma_sendreq_t **sendreq)
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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, target_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_sendreqs,
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item, ret);
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if (OMPI_SUCCESS != ret) return ret;
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*sendreq = (ompi_osc_rdma_sendreq_t*) item;
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(*sendreq)->req_module = module;
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(*sendreq)->req_target_rank = target_rank;
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(*sendreq)->req_target_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_sendreq_init_origin(ompi_osc_rdma_sendreq_t *sendreq,
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ompi_osc_rdma_req_type_t req_type,
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void *origin_addr,
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int origin_count,
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struct ompi_datatype_t *origin_dt)
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{
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OBJ_RETAIN(origin_dt);
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sendreq->req_origin_datatype = origin_dt;
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sendreq->req_type = req_type;
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if (req_type != OMPI_OSC_RDMA_GET) {
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ompi_convertor_copy_and_prepare_for_send(sendreq->req_target_proc->proc_convertor,
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origin_dt,
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origin_count,
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origin_addr,
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0,
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&(sendreq->req_origin_convertor));
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ompi_convertor_get_packed_size(&sendreq->req_origin_convertor,
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&sendreq->req_origin_bytes_packed);
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} else {
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ompi_convertor_copy_and_prepare_for_recv(sendreq->req_target_proc->proc_convertor,
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origin_dt,
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origin_count,
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origin_addr,
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0,
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&(sendreq->req_origin_convertor));
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ompi_convertor_get_packed_size(&sendreq->req_origin_convertor,
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&sendreq->req_origin_bytes_packed);
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}
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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_sendreq_init_target(ompi_osc_rdma_sendreq_t *sendreq,
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int target_disp,
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int target_count,
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struct ompi_datatype_t *target_datatype)
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{
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OBJ_RETAIN(target_datatype);
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sendreq->req_target_disp = target_disp;
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sendreq->req_target_count = target_count;
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sendreq->req_target_datatype = target_datatype;
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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_sendreq_free(ompi_osc_rdma_sendreq_t *sendreq)
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{
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ompi_convertor_cleanup(&sendreq->req_origin_convertor);
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OBJ_RELEASE(sendreq->req_target_datatype);
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OBJ_RELEASE(sendreq->req_origin_datatype);
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OPAL_FREE_LIST_RETURN(&mca_osc_rdma_component.c_sendreqs,
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(opal_list_item_t*) sendreq);
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return OMPI_SUCCESS;
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}
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#endif /* OMPI_OSC_RDMA_SENDREQ_H */
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