cf40674369
in an ACK message. The decision can't be done reliably at the sender. This commit was SVN r17987.
592 строки
19 KiB
C
592 строки
19 KiB
C
/*
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* Copyright (c) 2004-2007 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) 2004-2008 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 <stdlib.h>
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#include <string.h>
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#include "ompi/class/ompi_bitmap.h"
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#include "ompi/mca/pml/pml.h"
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#include "ompi/mca/pml/base/base.h"
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#include "ompi/mca/btl/btl.h"
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#include "ompi/mca/pml/base/base.h"
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#include "ompi/mca/btl/base/base.h"
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#include "pml_ob1.h"
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#include "pml_ob1_component.h"
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#include "pml_ob1_comm.h"
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#include "pml_ob1_hdr.h"
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#include "pml_ob1_recvfrag.h"
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#include "pml_ob1_sendreq.h"
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#include "pml_ob1_recvreq.h"
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#include "pml_ob1_rdmafrag.h"
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#include "ompi/mca/bml/base/base.h"
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#include "orte/mca/errmgr/errmgr.h"
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#include "orte/mca/grpcomm/grpcomm.h"
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#include "ompi/runtime/ompi_cr.h"
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#include "ompi/runtime/ompi_module_exchange.h"
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#include "orte/mca/rml/rml.h"
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mca_pml_ob1_t mca_pml_ob1 = {
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{
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mca_pml_ob1_add_procs,
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mca_pml_ob1_del_procs,
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mca_pml_ob1_enable,
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mca_pml_ob1_progress,
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mca_pml_ob1_add_comm,
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mca_pml_ob1_del_comm,
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mca_pml_ob1_irecv_init,
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mca_pml_ob1_irecv,
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mca_pml_ob1_recv,
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mca_pml_ob1_isend_init,
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mca_pml_ob1_isend,
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mca_pml_ob1_send,
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mca_pml_ob1_iprobe,
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mca_pml_ob1_probe,
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mca_pml_ob1_start,
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mca_pml_ob1_dump,
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mca_pml_ob1_ft_event,
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32768,
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INT_MAX
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}
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};
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void mca_pml_ob1_error_handler( struct mca_btl_base_module_t* btl,
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int32_t flags );
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int mca_pml_ob1_enable(bool enable)
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{
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if( false == enable ) return OMPI_SUCCESS;
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OBJ_CONSTRUCT(&mca_pml_ob1.lock, opal_mutex_t);
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/* fragments */
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OBJ_CONSTRUCT(&mca_pml_ob1.rdma_frags, ompi_free_list_t);
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ompi_free_list_init_new( &mca_pml_ob1.rdma_frags,
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sizeof(mca_pml_ob1_rdma_frag_t),
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CACHE_LINE_SIZE,
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OBJ_CLASS(mca_pml_ob1_rdma_frag_t),
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0,CACHE_LINE_SIZE,
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mca_pml_ob1.free_list_num,
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mca_pml_ob1.free_list_max,
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mca_pml_ob1.free_list_inc,
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NULL );
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OBJ_CONSTRUCT(&mca_pml_ob1.recv_frags, ompi_free_list_t);
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ompi_free_list_init_new( &mca_pml_ob1.recv_frags,
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sizeof(mca_pml_ob1_recv_frag_t) + mca_pml_ob1.unexpected_limit,
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CACHE_LINE_SIZE,
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OBJ_CLASS(mca_pml_ob1_recv_frag_t),
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0,CACHE_LINE_SIZE,
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mca_pml_ob1.free_list_num,
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mca_pml_ob1.free_list_max,
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mca_pml_ob1.free_list_inc,
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NULL );
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OBJ_CONSTRUCT(&mca_pml_ob1.pending_pckts, ompi_free_list_t);
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ompi_free_list_init_new( &mca_pml_ob1.pending_pckts,
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sizeof(mca_pml_ob1_pckt_pending_t),
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CACHE_LINE_SIZE,
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OBJ_CLASS(mca_pml_ob1_pckt_pending_t),
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0,CACHE_LINE_SIZE,
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mca_pml_ob1.free_list_num,
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mca_pml_ob1.free_list_max,
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mca_pml_ob1.free_list_inc,
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NULL );
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OBJ_CONSTRUCT(&mca_pml_ob1.buffers, ompi_free_list_t);
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OBJ_CONSTRUCT(&mca_pml_ob1.send_ranges, ompi_free_list_t);
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ompi_free_list_init_new( &mca_pml_ob1.send_ranges,
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sizeof(mca_pml_ob1_send_range_t) +
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(mca_pml_ob1.max_send_per_range - 1) * sizeof(mca_pml_ob1_com_btl_t),
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CACHE_LINE_SIZE,
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OBJ_CLASS(mca_pml_ob1_send_range_t),
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0,CACHE_LINE_SIZE,
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mca_pml_ob1.free_list_num,
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mca_pml_ob1.free_list_max,
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mca_pml_ob1.free_list_inc,
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NULL );
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/* pending operations */
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OBJ_CONSTRUCT(&mca_pml_ob1.send_pending, opal_list_t);
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OBJ_CONSTRUCT(&mca_pml_ob1.recv_pending, opal_list_t);
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OBJ_CONSTRUCT(&mca_pml_ob1.pckt_pending, opal_list_t);
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OBJ_CONSTRUCT(&mca_pml_ob1.rdma_pending, opal_list_t);
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/**
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* If we get here this is the PML who get selected for the run. We
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* should get ownership for the send and receive requests list, and
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* initialize them with the size of our own requests.
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*/
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ompi_free_list_init_new( &mca_pml_base_send_requests,
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sizeof(mca_pml_ob1_send_request_t) +
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(mca_pml_ob1.max_rdma_per_request - 1) *
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sizeof(mca_pml_ob1_com_btl_t),
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CACHE_LINE_SIZE,
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OBJ_CLASS(mca_pml_ob1_send_request_t),
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0,CACHE_LINE_SIZE,
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mca_pml_ob1.free_list_num,
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mca_pml_ob1.free_list_max,
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mca_pml_ob1.free_list_inc,
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NULL );
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ompi_free_list_init_new( &mca_pml_base_recv_requests,
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sizeof(mca_pml_ob1_recv_request_t) +
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(mca_pml_ob1.max_rdma_per_request - 1) *
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sizeof(mca_pml_ob1_com_btl_t),
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CACHE_LINE_SIZE,
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OBJ_CLASS(mca_pml_ob1_recv_request_t),
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0,CACHE_LINE_SIZE,
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mca_pml_ob1.free_list_num,
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mca_pml_ob1.free_list_max,
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mca_pml_ob1.free_list_inc,
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NULL );
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mca_pml_ob1.enabled = true;
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return OMPI_SUCCESS;
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}
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int mca_pml_ob1_add_comm(ompi_communicator_t* comm)
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{
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/* allocate pml specific comm data */
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mca_pml_ob1_comm_t* pml_comm = OBJ_NEW(mca_pml_ob1_comm_t);
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int i;
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if (NULL == pml_comm) {
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return OMPI_ERR_OUT_OF_RESOURCE;
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}
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mca_pml_ob1_comm_init_size(pml_comm, comm->c_remote_group->grp_proc_count);
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comm->c_pml_comm = pml_comm;
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for( i = 0; i < comm->c_remote_group->grp_proc_count; i++ ) {
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pml_comm->procs[i].ompi_proc = ompi_group_peer_lookup(comm->c_remote_group,i);
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}
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return OMPI_SUCCESS;
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}
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int mca_pml_ob1_del_comm(ompi_communicator_t* comm)
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{
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OBJ_RELEASE(comm->c_pml_comm);
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comm->c_pml_comm = NULL;
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return OMPI_SUCCESS;
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}
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/*
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* For each proc setup a datastructure that indicates the PTLs
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* that can be used to reach the destination.
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*
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*/
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int mca_pml_ob1_add_procs(ompi_proc_t** procs, size_t nprocs)
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{
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ompi_bitmap_t reachable;
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struct mca_bml_base_endpoint_t ** bml_endpoints = NULL;
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int rc;
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size_t i;
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if(nprocs == 0)
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return OMPI_SUCCESS;
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/* we don't have any endpoint data we need to cache on the
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ompi_proc_t, so set proc_pml to NULL */
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for (i = 0 ; i < nprocs ; ++i) {
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procs[i]->proc_pml = NULL;
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}
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OBJ_CONSTRUCT(&reachable, ompi_bitmap_t);
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rc = ompi_bitmap_init(&reachable, (int)nprocs);
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if(OMPI_SUCCESS != rc)
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return rc;
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/*
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* JJH: Disable this in FT enabled builds since
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* we use a wrapper PML. It will cause this check to
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* return failure as all processes will return the wrapper PML
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* component in use instead of the wrapped PML component underneath.
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*/
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#if OPAL_ENABLE_FT == 0
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/* make sure remote procs are using the same PML as us */
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if (OMPI_SUCCESS != (rc = mca_pml_base_pml_check_selected("ob1",
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procs,
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nprocs))) {
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return rc;
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}
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#endif
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bml_endpoints = (struct mca_bml_base_endpoint_t **) malloc ( nprocs *
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sizeof(struct mca_bml_base_endpoint_t*));
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if ( NULL == bml_endpoints ) {
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rc = OMPI_ERR_OUT_OF_RESOURCE;
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goto cleanup_and_return;
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}
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rc = mca_bml.bml_add_procs( nprocs,
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procs,
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bml_endpoints,
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&reachable );
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if(OMPI_SUCCESS != rc)
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goto cleanup_and_return;
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rc = mca_bml.bml_register( MCA_BTL_TAG_PML,
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mca_pml_ob1_recv_frag_callback,
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NULL );
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if(OMPI_SUCCESS != rc)
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goto cleanup_and_return;
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/* register error handlers */
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rc = mca_bml.bml_register_error(mca_pml_ob1_error_handler);
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if(OMPI_SUCCESS != rc)
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goto cleanup_and_return;
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cleanup_and_return:
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if( NULL != bml_endpoints) {
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free ( bml_endpoints);
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}
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OBJ_DESTRUCT(&reachable);
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return rc;
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}
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/*
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* iterate through each proc and notify any PTLs associated
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* with the proc that it is/has gone away
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*/
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int mca_pml_ob1_del_procs(ompi_proc_t** procs, size_t nprocs)
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{
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return mca_bml.bml_del_procs(nprocs, procs);
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}
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/*
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* diagnostics
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*/
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int mca_pml_ob1_dump(struct ompi_communicator_t* comm, int verbose)
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{
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struct mca_pml_comm_t* pml_comm = comm->c_pml_comm;
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int i;
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/* iterate through all procs on communicator */
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for( i = 0; i < (int)pml_comm->num_procs; i++ ) {
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mca_pml_ob1_comm_proc_t* proc = &pml_comm->procs[i];
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mca_bml_base_endpoint_t* ep = (mca_bml_base_endpoint_t*)proc->ompi_proc->proc_bml;
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size_t n;
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opal_output(0, "[Rank %d]\n", i);
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/* dump all receive queues */
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/* dump all btls */
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for(n=0; n<ep->btl_eager.arr_size; n++) {
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mca_bml_base_btl_t* bml_btl = &ep->btl_eager.bml_btls[n];
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bml_btl->btl->btl_dump(bml_btl->btl, bml_btl->btl_endpoint, verbose);
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}
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}
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return OMPI_SUCCESS;
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}
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static void mca_pml_ob1_fin_completion( mca_btl_base_module_t* btl,
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struct mca_btl_base_endpoint_t* ep,
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struct mca_btl_base_descriptor_t* des,
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int status )
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{
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mca_bml_base_btl_t* bml_btl = (mca_bml_base_btl_t*) des->des_context;
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/* check for pending requests */
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MCA_PML_OB1_PROGRESS_PENDING(bml_btl);
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}
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int mca_pml_ob1_send_fin( ompi_proc_t* proc,
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mca_bml_base_btl_t* bml_btl,
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void *hdr_des,
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uint8_t order,
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uint32_t status )
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{
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mca_btl_base_descriptor_t* fin;
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mca_pml_ob1_fin_hdr_t* hdr;
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int rc;
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mca_bml_base_alloc(bml_btl, &fin, order, sizeof(mca_pml_ob1_fin_hdr_t),
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MCA_BTL_DES_FLAGS_PRIORITY | MCA_BTL_DES_FLAGS_BTL_OWNERSHIP);
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if(NULL == fin) {
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MCA_PML_OB1_ADD_FIN_TO_PENDING(proc, hdr_des, bml_btl, order, status);
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return OMPI_ERR_OUT_OF_RESOURCE;
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}
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fin->des_cbfunc = mca_pml_ob1_fin_completion;
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fin->des_cbdata = NULL;
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/* fill in header */
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hdr = (mca_pml_ob1_fin_hdr_t*)fin->des_src->seg_addr.pval;
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hdr->hdr_common.hdr_flags = 0;
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hdr->hdr_common.hdr_type = MCA_PML_OB1_HDR_TYPE_FIN;
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hdr->hdr_des.pval = hdr_des;
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hdr->hdr_fail = status;
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ob1_hdr_hton(hdr, MCA_PML_OB1_HDR_TYPE_FIN, proc);
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/* queue request */
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rc = mca_bml_base_send(
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bml_btl,
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fin,
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MCA_BTL_TAG_PML
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);
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if(OMPI_SUCCESS != rc) {
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mca_bml_base_free(bml_btl, fin);
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MCA_PML_OB1_ADD_FIN_TO_PENDING(proc, hdr_des, bml_btl, order, status);
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return OMPI_ERR_OUT_OF_RESOURCE;
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}
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return OMPI_SUCCESS;
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}
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void mca_pml_ob1_process_pending_packets(mca_bml_base_btl_t* bml_btl)
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{
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mca_pml_ob1_pckt_pending_t *pckt;
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int32_t i, rc, s = (int32_t)opal_list_get_size(&mca_pml_ob1.pckt_pending);
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for(i = 0; i < s; i++) {
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mca_bml_base_btl_t *send_dst = NULL;
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OPAL_THREAD_LOCK(&mca_pml_ob1.lock);
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pckt = (mca_pml_ob1_pckt_pending_t*)
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opal_list_remove_first(&mca_pml_ob1.pckt_pending);
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OPAL_THREAD_UNLOCK(&mca_pml_ob1.lock);
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if(NULL == pckt)
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break;
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if(pckt->bml_btl != NULL &&
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pckt->bml_btl->btl == bml_btl->btl) {
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send_dst = pckt->bml_btl;
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} else {
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send_dst = mca_bml_base_btl_array_find(
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&pckt->proc->proc_bml->btl_eager, bml_btl->btl);
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}
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if(NULL == send_dst) {
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OPAL_THREAD_LOCK(&mca_pml_ob1.lock);
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opal_list_append(&mca_pml_ob1.pckt_pending,
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(opal_list_item_t*)pckt);
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OPAL_THREAD_UNLOCK(&mca_pml_ob1.lock);
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continue;
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}
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switch(pckt->hdr.hdr_common.hdr_type) {
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case MCA_PML_OB1_HDR_TYPE_ACK:
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rc = mca_pml_ob1_recv_request_ack_send_btl(pckt->proc,
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send_dst,
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pckt->hdr.hdr_ack.hdr_src_req.lval,
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pckt->hdr.hdr_ack.hdr_dst_req.pval,
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pckt->hdr.hdr_ack.hdr_send_offset,
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pckt->hdr.hdr_common.hdr_flags & MCA_PML_OB1_HDR_FLAGS_NORDMA);
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MCA_PML_OB1_PCKT_PENDING_RETURN(pckt);
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if(OMPI_ERR_OUT_OF_RESOURCE == rc) {
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MCA_PML_OB1_ADD_ACK_TO_PENDING(pckt->proc,
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pckt->hdr.hdr_ack.hdr_src_req.lval,
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pckt->hdr.hdr_ack.hdr_dst_req.pval,
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pckt->hdr.hdr_ack.hdr_send_offset);
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return;
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}
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break;
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case MCA_PML_OB1_HDR_TYPE_FIN:
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rc = mca_pml_ob1_send_fin(pckt->proc, send_dst,
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pckt->hdr.hdr_fin.hdr_des.pval,
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pckt->order,
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pckt->hdr.hdr_fin.hdr_fail);
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MCA_PML_OB1_PCKT_PENDING_RETURN(pckt);
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if(OMPI_ERR_OUT_OF_RESOURCE == rc)
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return;
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break;
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default:
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opal_output(0, "[%s:%d] wrong header type\n",
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__FILE__, __LINE__);
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break;
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}
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}
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}
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void mca_pml_ob1_process_pending_rdma(void)
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{
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mca_pml_ob1_rdma_frag_t* frag;
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int32_t i, rc, s = (int32_t)opal_list_get_size(&mca_pml_ob1.rdma_pending);
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for(i = 0; i < s; i++) {
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OPAL_THREAD_LOCK(&mca_pml_ob1.lock);
|
|
frag = (mca_pml_ob1_rdma_frag_t*)
|
|
opal_list_remove_first(&mca_pml_ob1.rdma_pending);
|
|
OPAL_THREAD_UNLOCK(&mca_pml_ob1.lock);
|
|
if(NULL == frag)
|
|
break;
|
|
if(frag->rdma_state == MCA_PML_OB1_RDMA_PUT) {
|
|
frag->retries++;
|
|
rc = mca_pml_ob1_send_request_put_frag(frag);
|
|
} else {
|
|
rc = mca_pml_ob1_recv_request_get_frag(frag);
|
|
}
|
|
if(OMPI_ERR_OUT_OF_RESOURCE == rc)
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
void mca_pml_ob1_error_handler(
|
|
struct mca_btl_base_module_t* btl,
|
|
int32_t flags) {
|
|
orte_errmgr.abort(-1, NULL);
|
|
}
|
|
|
|
int mca_pml_ob1_ft_event( int state )
|
|
{
|
|
ompi_proc_t** procs = NULL;
|
|
size_t num_procs;
|
|
int ret, p;
|
|
|
|
if(OPAL_CRS_CHECKPOINT == state) {
|
|
;
|
|
}
|
|
else if(OPAL_CRS_CONTINUE == state) {
|
|
;
|
|
}
|
|
else if(OPAL_CRS_RESTART == state) {
|
|
/*
|
|
* Get a list of processes
|
|
*/
|
|
procs = ompi_proc_all(&num_procs);
|
|
if(NULL == procs) {
|
|
return OMPI_ERR_OUT_OF_RESOURCE;
|
|
}
|
|
|
|
/*
|
|
* Clean out the modex information since it is invalid now.
|
|
*/
|
|
opal_output_verbose(10, ompi_cr_output,
|
|
"pml:ob1: ft_event(Restart): Restart Modex information");
|
|
if (OMPI_SUCCESS != (ret = orte_grpcomm.purge_proc_attrs())) {
|
|
opal_output(0,
|
|
"pml:ob1: ft_event(Restart): purge_modex Failed %d",
|
|
ret);
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Refresh the proc structure, and publish our proc info in the modex.
|
|
* NOTE: Do *not* call ompi_proc_finalize as there are many places in
|
|
* the code that point to indv. procs in this strucutre. For our
|
|
* needs here we only need to fix up the modex, bml and pml
|
|
* references.
|
|
*/
|
|
if (OMPI_SUCCESS != (ret = ompi_proc_refresh())) {
|
|
opal_output(0,
|
|
"pml:ob1: ft_event(Restart): proc_refresh Failed %d",
|
|
ret);
|
|
return ret;
|
|
}
|
|
}
|
|
else if(OPAL_CRS_TERM == state ) {
|
|
;
|
|
}
|
|
else {
|
|
;
|
|
}
|
|
|
|
/* Call the BML
|
|
* BML is expected to call ft_event in
|
|
* - BTL(s)
|
|
* - MPool(s)
|
|
*/
|
|
if( OMPI_SUCCESS != (ret = mca_bml.bml_ft_event(state))) {
|
|
opal_output(0, "pml:base: ft_event: BML ft_event function failed: %d\n",
|
|
ret);
|
|
}
|
|
|
|
if(OPAL_CRS_CHECKPOINT == state) {
|
|
;
|
|
}
|
|
else if(OPAL_CRS_CONTINUE == state) {
|
|
;
|
|
}
|
|
else if(OPAL_CRS_RESTART == state) {
|
|
/*
|
|
* Exchange the modex information once again.
|
|
* BTLs will have republished their modex information.
|
|
*/
|
|
if (OMPI_SUCCESS != (ret = orte_grpcomm.modex(NULL))) {
|
|
opal_output(0,
|
|
"pml:ob1: ft_event(Restart): Failed orte_grpcomm.modex() = %d",
|
|
ret);
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Fill in remote proc information
|
|
*/
|
|
if (OMPI_SUCCESS != (ret = ompi_proc_get_info())) {
|
|
opal_output(0,
|
|
"pml:ob1: ft_event(Restart): Failed ompi_proc_get_info() = %d",
|
|
ret);
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Startup the PML stack now that the modex is running again
|
|
* Add the new procs (BTLs redo modex recv's)
|
|
*/
|
|
if( OMPI_SUCCESS != (ret = mca_pml_ob1_add_procs(procs, num_procs) ) ) {
|
|
opal_output(0, "pml:ob1: fr_event(Restart): Failed in add_procs (%d)", ret);
|
|
return ret;
|
|
}
|
|
|
|
/* Is this barrier necessary ? JJH */
|
|
if (OMPI_SUCCESS != (ret = orte_grpcomm.barrier())) {
|
|
opal_output(0, "pml:ob1: fr_event(Restart): Failed in orte_grpcomm.barrier (%d)", ret);
|
|
return ret;
|
|
}
|
|
|
|
if( NULL != procs ) {
|
|
for(p = 0; p < (int)num_procs; ++p) {
|
|
OBJ_RELEASE(procs[p]);
|
|
}
|
|
free(procs);
|
|
procs = NULL;
|
|
}
|
|
}
|
|
else if(OPAL_CRS_TERM == state ) {
|
|
;
|
|
}
|
|
else {
|
|
;
|
|
}
|
|
|
|
return OMPI_SUCCESS;
|
|
}
|
|
|
|
int mca_pml_ob1_com_btl_comp(const void *v1, const void *v2)
|
|
{
|
|
const mca_pml_ob1_com_btl_t *b1 = (const mca_pml_ob1_com_btl_t *) v1;
|
|
const mca_pml_ob1_com_btl_t *b2 = (const mca_pml_ob1_com_btl_t *) v2;
|
|
|
|
if(b1->bml_btl->btl_weight < b2->bml_btl->btl_weight)
|
|
return 1;
|
|
if(b1->bml_btl->btl_weight > b2->bml_btl->btl_weight)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|