05140c5f8f
working on creating a uniform retransmission mechanism otherwise each type of send ends up needing a special case for retransmission. Removed NACK for individual transmissions, we just aggregate these and send them at the end of a vfrag This commit was SVN r9141.
195 строки
6.4 KiB
C
195 строки
6.4 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) 2004-2005 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) 2004-2005 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 "opal/sys/cache.h"
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#include "opal/event/event.h"
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#include "mpi.h"
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#include "ompi/mca/pml/pml.h"
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#include "ompi/mca/btl/btl.h"
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#include "ompi/mca/btl/base/base.h"
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#include "opal/mca/base/mca_base_param.h"
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#include "ompi/mca/pml/base/pml_base_bsend.h"
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#include "pml_dr.h"
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#include "pml_dr_proc.h"
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#include "pml_dr_hdr.h"
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#include "pml_dr_sendreq.h"
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#include "pml_dr_recvreq.h"
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#include "pml_dr_recvfrag.h"
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#include "ompi/mca/bml/base/base.h"
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mca_pml_base_component_1_0_0_t mca_pml_dr_component = {
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/* First, the mca_base_component_t struct containing meta
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information about the component itself */
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{
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/* Indicate that we are a pml v1.0.0 component (which also implies
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a specific MCA version) */
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MCA_PML_BASE_VERSION_1_0_0,
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"dr", /* MCA component name */
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OMPI_MAJOR_VERSION, /* MCA component major version */
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OMPI_MINOR_VERSION, /* MCA component minor version */
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OMPI_RELEASE_VERSION, /* MCA component release version */
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mca_pml_dr_component_open, /* component open */
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mca_pml_dr_component_close /* component close */
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},
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/* Next the MCA v1.0.0 component meta data */
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{
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/* Whether the component is checkpointable or not */
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false
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},
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mca_pml_dr_component_init, /* component init */
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mca_pml_dr_component_fini /* component finalize */
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};
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static inline int mca_pml_dr_param_register_int(
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const char* param_name,
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int default_value)
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{
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int id = mca_base_param_register_int("pml","dr",param_name,NULL,default_value);
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int param_value = default_value;
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mca_base_param_lookup_int(id,¶m_value);
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return param_value;
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}
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int mca_pml_dr_component_open(void)
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{
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mca_pml_dr.free_list_num =
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mca_pml_dr_param_register_int("free_list_num", 4);
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mca_pml_dr.free_list_max =
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mca_pml_dr_param_register_int("free_list_max", -1);
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mca_pml_dr.free_list_inc =
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mca_pml_dr_param_register_int("free_list_inc", 64);
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mca_pml_dr.priority =
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mca_pml_dr_param_register_int("priority", 1);
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mca_pml_dr.eager_limit =
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mca_pml_dr_param_register_int("eager_limit", 128 * 1024);
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mca_pml_dr.send_pipeline_depth =
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mca_pml_dr_param_register_int("send_pipeline_depth", 3);
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mca_pml_dr.timer_wdog_sec =
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mca_pml_dr_param_register_int("timer_wdog_sec", 1);
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mca_pml_dr.timer_wdog_usec =
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mca_pml_dr_param_register_int("timer_wdog_usec", 0);
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mca_pml_dr.timer_ack_sec =
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mca_pml_dr_param_register_int("timer_ack_sec", 1);
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mca_pml_dr.timer_ack_usec =
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mca_pml_dr_param_register_int("timer_ack_usec", 0);
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OBJ_CONSTRUCT(&mca_pml_dr.lock, opal_mutex_t);
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/* requests */
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OBJ_CONSTRUCT(&mca_pml_dr.send_requests, ompi_free_list_t);
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ompi_free_list_init(
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&mca_pml_dr.send_requests,
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sizeof(mca_pml_dr_send_request_t),
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OBJ_CLASS(mca_pml_dr_send_request_t),
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mca_pml_dr.free_list_num,
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mca_pml_dr.free_list_max,
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mca_pml_dr.free_list_inc,
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NULL);
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OBJ_CONSTRUCT(&mca_pml_dr.recv_requests, ompi_free_list_t);
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ompi_free_list_init(
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&mca_pml_dr.recv_requests,
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sizeof(mca_pml_dr_recv_request_t),
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OBJ_CLASS(mca_pml_dr_recv_request_t),
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mca_pml_dr.free_list_num,
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mca_pml_dr.free_list_max,
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mca_pml_dr.free_list_inc,
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NULL);
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/* fragments */
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OBJ_CONSTRUCT(&mca_pml_dr.recv_frags, ompi_free_list_t);
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ompi_free_list_init(
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&mca_pml_dr.recv_frags,
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sizeof(mca_pml_dr_recv_frag_t),
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OBJ_CLASS(mca_pml_dr_recv_frag_t),
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mca_pml_dr.free_list_num,
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mca_pml_dr.free_list_max,
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mca_pml_dr.free_list_inc,
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NULL);
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OBJ_CONSTRUCT(&mca_pml_dr.vfrags, ompi_free_list_t);
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ompi_free_list_init(
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&mca_pml_dr.vfrags,
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sizeof(mca_pml_dr_vfrag_t),
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OBJ_CLASS(mca_pml_dr_vfrag_t),
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mca_pml_dr.free_list_num,
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mca_pml_dr.free_list_max,
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mca_pml_dr.free_list_inc,
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NULL);
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OBJ_CONSTRUCT(&mca_pml_dr.send_pending, opal_list_t);
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OBJ_CONSTRUCT(&mca_pml_dr.acks_pending, opal_list_t);
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OBJ_CONSTRUCT(&mca_pml_dr.buffers, ompi_free_list_t);
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mca_pml_dr.enabled = false;
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return mca_bml_base_open();
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}
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int mca_pml_dr_component_close(void)
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{
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int rc;
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if(!mca_pml_dr.enabled)
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return OMPI_SUCCESS; /* never selected.. return success.. */
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if(OMPI_SUCCESS != (rc = mca_bml_base_close()))
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return rc;
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OBJ_DESTRUCT(&mca_pml_dr.send_pending);
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OBJ_DESTRUCT(&mca_pml_dr.acks_pending);
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OBJ_DESTRUCT(&mca_pml_dr.recv_requests);
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OBJ_DESTRUCT(&mca_pml_dr.recv_frags);
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OBJ_DESTRUCT(&mca_pml_dr.buffers);
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OBJ_DESTRUCT(&mca_pml_dr.lock);
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return OMPI_SUCCESS;
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}
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mca_pml_base_module_t* mca_pml_dr_component_init(int* priority,
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bool enable_progress_threads,
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bool enable_mpi_threads)
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{
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*priority = mca_pml_dr.priority;
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/* buffered send */
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if(OMPI_SUCCESS != mca_pml_base_bsend_init(enable_mpi_threads)) {
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opal_output(0, "mca_pml_dr_component_init: mca_pml_bsend_init failed\n");
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return NULL;
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}
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if(OMPI_SUCCESS != mca_bml_base_init( enable_progress_threads, enable_mpi_threads))
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return NULL;
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return &mca_pml_dr.super;
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}
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