182 строки
6.0 KiB
C
182 строки
6.0 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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* $COPYRIGHT$
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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 "mpi.h"
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#include <stdio.h>
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#include "osc_pt2pt.h"
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#include "osc_pt2pt_sendreq.h"
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#include "osc_pt2pt_header.h"
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#include "osc_pt2pt_data_move.h"
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static int
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enqueue_sendreq(ompi_osc_pt2pt_module_t *module,
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ompi_osc_pt2pt_sendreq_t *sendreq)
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{
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OPAL_THREAD_LOCK(&(module->p2p_lock));
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opal_list_append(&(module->p2p_pending_sendreqs),
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(opal_list_item_t*) sendreq);
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module->p2p_num_pending_sendreqs[sendreq->req_target_rank]++;
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OPAL_THREAD_UNLOCK(&(module->p2p_lock));
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return OMPI_SUCCESS;
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}
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int
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ompi_osc_pt2pt_module_accumulate(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_dt,
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struct ompi_op_t *op, ompi_win_t *win)
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{
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int ret;
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ompi_osc_pt2pt_sendreq_t *sendreq;
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if ((OMPI_WIN_STARTED & ompi_win_get_mode(win)) &&
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(!P2P_MODULE(win)->p2p_sc_remote_active_ranks[target])) {
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return MPI_ERR_RMA_SYNC;
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}
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if (OMPI_WIN_FENCE & ompi_win_get_mode(win)) {
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/* well, we're definitely in an access epoch now */
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ompi_win_set_mode(win, OMPI_WIN_FENCE | OMPI_WIN_ACCESS_EPOCH |
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OMPI_WIN_EXPOSE_EPOCH);
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}
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/* shortcut 0 count case */
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if (0 == origin_count || 0 == target_count) {
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return OMPI_SUCCESS;
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}
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/* create sendreq */
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ret = ompi_osc_pt2pt_sendreq_alloc_init(OMPI_OSC_PT2PT_ACC,
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origin_addr,
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origin_count,
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origin_dt,
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target,
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target_disp,
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target_count,
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target_dt,
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P2P_MODULE(win),
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&sendreq);
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if (OMPI_SUCCESS != ret) return ret;
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sendreq->req_op_id = op->o_f_to_c_index;
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/* enqueue sendreq */
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ret = enqueue_sendreq(P2P_MODULE(win), sendreq);
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return ret;
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}
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int
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ompi_osc_pt2pt_module_get(void *origin_addr,
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int origin_count,
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struct ompi_datatype_t *origin_dt,
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int target,
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int target_disp,
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int target_count,
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struct ompi_datatype_t *target_dt,
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ompi_win_t *win)
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{
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int ret;
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ompi_osc_pt2pt_sendreq_t *sendreq;
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if ((OMPI_WIN_STARTED & ompi_win_get_mode(win)) &&
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(!P2P_MODULE(win)->p2p_sc_remote_active_ranks[target])) {
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return MPI_ERR_RMA_SYNC;
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}
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if (OMPI_WIN_FENCE & ompi_win_get_mode(win)) {
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/* well, we're definitely in an access epoch now */
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ompi_win_set_mode(win, OMPI_WIN_FENCE | OMPI_WIN_ACCESS_EPOCH |
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OMPI_WIN_EXPOSE_EPOCH);
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}
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/* shortcut 0 count case */
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if (0 == origin_count || 0 == target_count) {
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return OMPI_SUCCESS;
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}
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/* create sendreq */
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ret = ompi_osc_pt2pt_sendreq_alloc_init(OMPI_OSC_PT2PT_GET,
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origin_addr,
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origin_count,
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origin_dt,
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target,
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target_disp,
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target_count,
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target_dt,
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P2P_MODULE(win),
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&sendreq);
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if (OMPI_SUCCESS != ret) return ret;
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/* enqueue sendreq */
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ret = enqueue_sendreq(P2P_MODULE(win), sendreq);
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return ret;
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}
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int
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ompi_osc_pt2pt_module_put(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_dt, ompi_win_t *win)
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{
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int ret;
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ompi_osc_pt2pt_sendreq_t *sendreq;
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if ((OMPI_WIN_STARTED & ompi_win_get_mode(win)) &&
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(!P2P_MODULE(win)->p2p_sc_remote_active_ranks[target])) {
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return MPI_ERR_RMA_SYNC;
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}
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if (OMPI_WIN_FENCE & ompi_win_get_mode(win)) {
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/* well, we're definitely in an access epoch now */
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ompi_win_set_mode(win, OMPI_WIN_FENCE | OMPI_WIN_ACCESS_EPOCH |
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OMPI_WIN_EXPOSE_EPOCH);
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}
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/* shortcut 0 count case */
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if (0 == origin_count || 0 == target_count) {
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return OMPI_SUCCESS;
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}
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/* create sendreq */
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ret = ompi_osc_pt2pt_sendreq_alloc_init(OMPI_OSC_PT2PT_PUT,
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origin_addr,
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origin_count,
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origin_dt,
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target,
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target_disp,
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target_count,
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target_dt,
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P2P_MODULE(win),
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&sendreq);
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if (OMPI_SUCCESS != ret) return ret;
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/* enqueue sendreq */
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ret = enqueue_sendreq(P2P_MODULE(win), sendreq);
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return ret;
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}
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