935 строки
36 KiB
C
935 строки
36 KiB
C
/*
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* Copyright (c) 2009-2012 Oak Ridge National Laboratory. All rights reserved.
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* Copyright (c) 2009-2012 Mellanox Technologies. All rights reserved.
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* Copyright (c) 2013 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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* $COPYRIGHT$
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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 <unistd.h>
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#include <sys/types.h>
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#include <sys/mman.h>
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#include <fcntl.h>
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#include <errno.h>
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#include "bcol_iboffload.h"
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#include "bcol_iboffload_frag.h"
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#include "bcol_iboffload_task.h"
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#include "bcol_iboffload_collreq.h"
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#include "bcol_iboffload_collfrag.h"
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#include "bcol_iboffload_endpoint.h"
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#include "ompi/mca/coll/ml/coll_ml_allocation.h"
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static int mca_bcol_iboffload_barrier_init(
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bcol_function_args_t *input_args,
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mca_bcol_iboffload_module_t *iboffload,
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collective_message_completion_callback_function cb_fn,
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struct mca_bcol_iboffload_collreq_t **coll_request);
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/**
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* Start barrier
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*/
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int mca_bcol_iboffload_barrier_intra_recursive_doubling(
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mca_bcol_iboffload_module_t *iboffload,
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struct mca_bcol_iboffload_collreq_t *coll_request)
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{
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/* local variables */
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mca_bcol_iboffload_task_t *send_task = NULL,
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*wait_task = NULL;
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struct mqe_task **mqe_ptr_to_set = NULL;
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mca_bcol_iboffload_collfrag_t *coll_fragment = NULL;
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struct mqe_task *last_wait = NULL, /* we need ask from completion on last wait */
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*last_send = NULL; /* If it no wait, we need ask for completion on last send */
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int rc, exchange, extra_rank, pair_rank;
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mca_bcol_iboffload_frag_t *send_fragment = NULL,
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*preposted_recv_frag = NULL;
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netpatterns_pair_exchange_node_t *my_exchange_node =
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&iboffload->recursive_doubling_tree;
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IBOFFLOAD_VERBOSE(10, ("Calling for mca_bcol_iboffload_barrier_intra_recursive_doubling.\n"));
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coll_fragment = (mca_bcol_iboffload_collfrag_t *)
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opal_list_get_last(&coll_request->work_requests);
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/* Set mq credits */
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coll_fragment->mq_credits = iboffload->alg_task_consump[RECURSIVE_DOUBLING_BARRIER_ALG];
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if (OPAL_UNLIKELY(false == BCOL_IBOFFLOAD_MQ_HAVE_CREDITS(
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iboffload, coll_fragment->mq_index, coll_fragment->mq_credits))) {
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IBOFFLOAD_VERBOSE(10, ("There are not enough credits on MQ.\n"));
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goto out_of_resources;
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}
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coll_fragment->alg = RECURSIVE_DOUBLING_BARRIER_ALG;
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/*
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* NOTE: need to generate template, if this will be a multiple fragment
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* message. This way we can progress the collective w/o knowing it's
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* type - actually, this is not the case for barrier, but just a note
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* to remind us that we need to generalize this.
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*/
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mqe_ptr_to_set = &coll_fragment->to_post;
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/*
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* Fill in the communication pattern
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*/
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/*
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* If non power of 2, may need to wait for message from "extra" proc.
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*/
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if (0 < my_exchange_node->n_extra_sources) {
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if (EXCHANGE_NODE == my_exchange_node->node_type) {
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/* I will participate in the exchange (of the algorithm) -
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* wait for signal from extra process */
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extra_rank = my_exchange_node->rank_extra_source;
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preposted_recv_frag = mca_bcol_iboffload_get_preposted_recv_frag(
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iboffload, extra_rank, coll_request->qp_index);
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if (OPAL_UNLIKELY(NULL == preposted_recv_frag)) {
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IBOFFLOAD_VERBOSE(10, ("Non power of 2 case: "
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"Failing for getting prepost recv frag.\n"));
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goto out_of_resources;
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}
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wait_task = mca_bcol_iboffload_get_wait_task(iboffload,
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extra_rank, 1, preposted_recv_frag, coll_request->qp_index, NULL);
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if (OPAL_UNLIKELY(NULL == wait_task)) {
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IBOFFLOAD_VERBOSE(10, ("Non power of 2 case: "
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"Failing for getting wait task.\n"));
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goto out_of_resources;
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}
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APPEND_TO_TASKLIST(mqe_ptr_to_set, wait_task, last_wait);
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MCA_BCOL_IBOFFLOAD_APPEND_TASK_TO_LIST(coll_fragment->task_next, wait_task);
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} else {
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/* I will not participate in the exchange - so just "register" as here */
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extra_rank = my_exchange_node->rank_extra_source;
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/* send - no need to send any data, in-order delivery */
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send_fragment = mca_bcol_iboffload_get_send_frag(coll_request,
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extra_rank, coll_request->qp_index, 0,
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0, SBUF,MCA_BCOL_IBOFFLOAD_SEND_FRAG_DUMMY);
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send_task = mca_bcol_iboffload_get_send_task(iboffload, extra_rank,
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coll_request->qp_index, send_fragment, coll_fragment, INLINE);
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if (OPAL_UNLIKELY(NULL == send_task)) {
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IBOFFLOAD_VERBOSE(10, ("Non power of 2 case: "
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"Failing for getting send task.\n"));
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goto out_of_resources;
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}
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APPEND_TO_TASKLIST(mqe_ptr_to_set, send_task, last_send);
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MCA_BCOL_IBOFFLOAD_APPEND_TASK_TO_LIST(coll_fragment->task_next, send_task);
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}
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}
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/* loop over exchange send/recv pairs */
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for (exchange = 0; exchange < my_exchange_node->n_exchanges; ++exchange) {
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/* rank of exchange partner */
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pair_rank = my_exchange_node->rank_exchanges[exchange];
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/* post send */
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send_fragment = mca_bcol_iboffload_get_send_frag(coll_request,
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pair_rank, coll_request->qp_index, 0,
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0, SBUF, MCA_BCOL_IBOFFLOAD_SEND_FRAG_DUMMY);
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assert(NULL != send_fragment);
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send_task = mca_bcol_iboffload_get_send_task(iboffload, pair_rank,
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coll_request->qp_index,
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send_fragment, coll_fragment, INLINE);
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if (OPAL_UNLIKELY(NULL == send_task)) {
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IBOFFLOAD_VERBOSE(10, ("Exchaging: "
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"Failing for getting send task.\n"));
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goto out_of_resources;
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}
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APPEND_TO_TASKLIST(mqe_ptr_to_set, send_task, last_send);
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MCA_BCOL_IBOFFLOAD_APPEND_TASK_TO_LIST(coll_fragment->task_next, send_task);
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/* post wait */
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preposted_recv_frag = mca_bcol_iboffload_get_preposted_recv_frag(
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iboffload, pair_rank, coll_request->qp_index);
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if (OPAL_UNLIKELY(NULL == preposted_recv_frag)) {
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IBOFFLOAD_VERBOSE(10, ("Exchaging: "
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"Failing for getting prepost recv frag.\n"));
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goto out_of_resources;
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}
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wait_task = mca_bcol_iboffload_get_wait_task(iboffload, pair_rank, 1,
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preposted_recv_frag,
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coll_request->qp_index, NULL);
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if (OPAL_UNLIKELY(NULL == wait_task)) {
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IBOFFLOAD_VERBOSE(10, ("Exchaging: "
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"Failing for getting wait task.\n"));
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goto out_of_resources;
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}
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APPEND_TO_TASKLIST(mqe_ptr_to_set, wait_task, last_wait);
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MCA_BCOL_IBOFFLOAD_APPEND_TASK_TO_LIST(coll_fragment->task_next, wait_task);
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}
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/* if non power of 2, may need to send message to "extra" proc */
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if (0 < my_exchange_node->n_extra_sources) {
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if (EXTRA_NODE == my_exchange_node->node_type) {
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/* I will not participate in the exchange -
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* wait for signal from exchange process */
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extra_rank = my_exchange_node->rank_extra_source;
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/* post wait */
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preposted_recv_frag =
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mca_bcol_iboffload_get_preposted_recv_frag(iboffload, extra_rank,
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coll_request->qp_index);
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if (OPAL_UNLIKELY(NULL == preposted_recv_frag)) {
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IBOFFLOAD_VERBOSE(10, ("Sending to 'extra' node: "
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"Failing for getting prepost recv frag.\n"));
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goto out_of_resources;
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}
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wait_task = mca_bcol_iboffload_get_wait_task(iboffload, extra_rank, 1,
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preposted_recv_frag,
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coll_request->qp_index, NULL);
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if (OPAL_UNLIKELY(NULL == wait_task)) {
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IBOFFLOAD_VERBOSE(10, ("Sending to 'extra' node: "
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"Failing for getting wait task.\n"));
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goto out_of_resources;
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}
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APPEND_TO_TASKLIST(mqe_ptr_to_set, wait_task, last_wait);
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MCA_BCOL_IBOFFLOAD_APPEND_TASK_TO_LIST(coll_fragment->task_next, wait_task);
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} else {
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/* I will participate in the exchange -
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* send signal to extra process */
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extra_rank = my_exchange_node->rank_extra_source;
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send_fragment = mca_bcol_iboffload_get_send_frag(coll_request,
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extra_rank, coll_request->qp_index, 0,
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0, SBUF, MCA_BCOL_IBOFFLOAD_SEND_FRAG_DUMMY);
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send_task = mca_bcol_iboffload_get_send_task(
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iboffload, extra_rank,
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coll_request->qp_index,
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send_fragment, coll_fragment, INLINE);
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if (OPAL_UNLIKELY(NULL == send_task)) {
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IBOFFLOAD_VERBOSE(10, ("Sending to 'extra' node: "
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"Failing for getting send task.\n"));
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goto out_of_resources;
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}
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APPEND_TO_TASKLIST(mqe_ptr_to_set, send_task, last_send);
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MCA_BCOL_IBOFFLOAD_APPEND_TASK_TO_LIST(coll_fragment->task_next, send_task);
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}
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}
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/* Fill in the the rest of the coll_fragment */
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IBOFFLOAD_VERBOSE(10, ("Fill in the the rest of the coll_fragment.\n"));
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/* end of list */
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*mqe_ptr_to_set = NULL;
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/* finish initializing full message descriptor */
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coll_request->n_fragments = 1;
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coll_request->n_frags_sent = 1;
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coll_request->n_frag_mpi_complete = 0;
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coll_request->n_frag_net_complete = 0;
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coll_request->user_handle_freed = false;
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last_wait->flags |= MQE_WR_FLAG_SIGNAL;
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coll_fragment->signal_task_wr_id = last_wait->wr_id;
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last_wait->wr_id = (uint64_t) (uintptr_t) coll_fragment;
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/* post the mwr */
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if (MCA_BCOL_IBOFFLOAD_QP_SYNC != coll_request->qp_index) {
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rc = mca_bcol_iboffload_post_mqe_tasks(iboffload, coll_fragment->to_post);
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if (OPAL_UNLIKELY(OMPI_SUCCESS != rc)) {
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IBOFFLOAD_VERBOSE(10, ("MQE task posting failing.\n"));
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/* Note: need to clean up */
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return rc;
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}
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MCA_BCOL_UPDATE_ORDER_COUNTER(&iboffload->super, coll_request->order_info);
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} else {
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/* Special flow for ML service barrier , only this function supposed to
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post service requests */
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struct mqe_task *bad_mqe = NULL;
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assert (MCA_BCOL_IBOFFLOAD_QP_SYNC == coll_request->qp_index );
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/* Post to special service MQ - 1 */
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rc = mqe_post_task(iboffload->mq[1], coll_fragment->to_post, &bad_mqe);
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if (OPAL_UNLIKELY(0 != rc)) {
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IBOFFLOAD_ERROR(("ibv_post_mqe failed on device (%s), errno says: %s,"
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" the return code is [%d]\n",
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ibv_get_device_name(iboffload->device->dev.ib_dev),
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strerror(errno), rc));
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return OMPI_ERROR;
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}
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}
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IBOFFLOAD_VERBOSE(10, ("Return success.\n"));
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return OMPI_SUCCESS;
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out_of_resources:
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/* Release all resources */
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IBOFFLOAD_VERBOSE(10, ("Barrier, adding collfrag to collfrag_pending.\n"));
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return mca_bcol_iboffload_free_resources_and_move_to_pending(coll_fragment, iboffload);
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}
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int mca_bcol_iboffload_barrier_intra_recursive_doubling_start(
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struct mca_bcol_iboffload_module_t *iboffload,
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struct mca_bcol_iboffload_collreq_t *coll_request)
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{
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int rc;
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rc = mca_bcol_iboffload_rec_doubling_start_connections(iboffload);
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if (OPAL_UNLIKELY(OMPI_SUCCESS != rc)) {
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return rc;
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}
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iboffload->barrier_algth =
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mca_bcol_iboffload_barrier_intra_recursive_doubling;
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return
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mca_bcol_iboffload_barrier_intra_recursive_doubling(iboffload, coll_request);
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}
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int mca_bcol_iboffload_nb_memory_service_barrier_start(
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struct mca_bcol_iboffload_module_t *iboffload,
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struct mca_bcol_iboffload_collreq_t *coll_request)
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{
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int rc;
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rc = mca_bcol_iboffload_rec_doubling_start_connections(iboffload);
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if (OPAL_UNLIKELY(OMPI_SUCCESS != rc)) {
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return rc;
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}
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iboffload->memsync_algth =
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mca_bcol_iboffload_barrier_intra_recursive_doubling;
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return
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mca_bcol_iboffload_barrier_intra_recursive_doubling
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(iboffload, coll_request);
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}
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int mca_bcol_iboffload_nb_memory_service_barrier_intra(bcol_function_args_t *input_args,
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struct coll_ml_function_t *const_args)
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{
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/* local variables */
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int rc;
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mca_bcol_iboffload_collreq_t *coll_request;
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mca_bcol_iboffload_module_t *iboffload =
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(mca_bcol_iboffload_module_t *) const_args->bcol_module;
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/*
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* recursive doubling
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*/
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IBOFFLOAD_VERBOSE(10, ("Memory syncranization barrier was started\n"));
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/* init barrier collective request */
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rc = mca_bcol_iboffload_barrier_init(input_args, iboffload, NULL, &coll_request);
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if (OPAL_UNLIKELY(OMPI_SUCCESS != rc)) {
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IBOFFLOAD_ERROR(("Get error from mca_bcol_iboffload_barrier_init"));
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return rc;
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}
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/* set the qp index to special qp that is used only for synchronization */
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coll_request->qp_index = MCA_BCOL_IBOFFLOAD_QP_SYNC;
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/* overwrite mq index to run over service setup */
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coll_request->first_collfrag.mq_index = SERVICE_MQ;
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/* start the barrier */
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rc = iboffload->memsync_algth(iboffload, coll_request);
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if (OPAL_UNLIKELY(OMPI_ERROR == rc)) {
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return rc;
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}
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/* complete the barrier - progress releases full request descriptors */
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IBOFFLOAD_VERBOSE(10, ("Memory syncranization barrier was started\n"));
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/* done */
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return BCOL_FN_STARTED;
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}
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/* Recursive K - ing*/
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static int recursive_knomial_start_connections(struct mca_bcol_iboffload_module_t *iboffload)
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{
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netpatterns_k_exchange_node_t *my_exchange_node =
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&iboffload->knomial_exchange_tree;
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int k, i, n_exchanges = my_exchange_node->n_exchanges,
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**exchanges = my_exchange_node->rank_exchanges,
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n_extra_src = my_exchange_node->n_extra_sources,
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tree_order = my_exchange_node->tree_order - 1,
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rank_extra_src;
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mca_bcol_iboffload_endpoint_t *ep;
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iboffload->alg_task_consump[RECURSIVE_KNOMIAL_BARRIER_ALG] += 0;
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IBOFFLOAD_VERBOSE(10, ("\nMy sbgp rank (index) - %d, "
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"num of endpoints = %d, iboffload module - %p"
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" extra n %d, n_exchanges %d",
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iboffload->ibnet->super.my_index, iboffload->num_endpoints, iboffload,
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n_extra_src, n_exchanges));
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if (0 < n_extra_src) {
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for (k = 0; k < n_extra_src; k++) {
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iboffload->alg_task_consump[RECURSIVE_KNOMIAL_BARRIER_ALG] += 2; /* One send task one wait */
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rank_extra_src = my_exchange_node->rank_extra_sources_array[k];
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ep = iboffload->endpoints[rank_extra_src];
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if (iboffload->ibnet->super.my_index < ep->index) {
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while(0 == (ep)->remote_zero_rdma_addr.addr) {
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opal_progress();
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}
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} else {
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IBOFFLOAD_VERBOSE(10, ("Trying to connect - %d", ep->index));
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while (OMPI_SUCCESS !=
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check_endpoint_state(ep, NULL, NULL)) {
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opal_progress();
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}
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}
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}
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}
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for (i = 0; i < n_exchanges; ++i) {
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for (k = 0; k < tree_order; k++) {
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iboffload->alg_task_consump[RECURSIVE_KNOMIAL_BARRIER_ALG] += 2; /* One send task one wait */
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ep = iboffload->endpoints[exchanges[i][k]];
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IBOFFLOAD_VERBOSE(10, ("Trying to connect - %d", ep->index));
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if (iboffload->ibnet->super.my_index < ep->index) {
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while(0 == (ep)->remote_zero_rdma_addr.addr) {
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opal_progress();
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}
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} else {
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while (OMPI_SUCCESS !=
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check_endpoint_state(ep, NULL, NULL)) {
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opal_progress();
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}
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}
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}
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}
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return OMPI_SUCCESS;
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}
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static int mca_bcol_iboffload_barrier_intra_recursive_knomial(
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mca_bcol_iboffload_module_t *iboffload,
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struct mca_bcol_iboffload_collreq_t *coll_request)
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{
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/* local variables */
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mca_bcol_iboffload_task_t *send_task = NULL,
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*wait_task = NULL;
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struct mqe_task **mqe_ptr_to_set = NULL;
|
|
mca_bcol_iboffload_collfrag_t *coll_fragment = NULL;
|
|
|
|
struct mqe_task *last_wait = NULL, /* we need ask from completion on last wait */
|
|
*last_send = NULL; /* If it no wait, we need ask for completion on last send */
|
|
|
|
int rc, exchange, extra_rank, pair_rank, k;
|
|
|
|
|
|
mca_bcol_iboffload_frag_t *send_fragment = NULL,
|
|
*preposted_recv_frag = NULL;
|
|
|
|
netpatterns_k_exchange_node_t *my_exchange_node =
|
|
&iboffload->knomial_exchange_tree;
|
|
IBOFFLOAD_VERBOSE(10, ("Calling for mca_bcol_iboffload_barrier_intra_recursive_knomial. Node type %d\n", my_exchange_node->node_type));
|
|
|
|
coll_fragment = (mca_bcol_iboffload_collfrag_t *)
|
|
opal_list_get_last(&coll_request->work_requests);
|
|
|
|
/* Set mq credits */
|
|
coll_fragment->mq_credits = iboffload->alg_task_consump[RECURSIVE_KNOMIAL_BARRIER_ALG];
|
|
|
|
if (OPAL_UNLIKELY(false == BCOL_IBOFFLOAD_MQ_HAVE_CREDITS(
|
|
iboffload, coll_fragment->mq_index, coll_fragment->mq_credits))) {
|
|
IBOFFLOAD_VERBOSE(10, ("There are not enough credits on MQ.\n"));
|
|
|
|
goto out_of_resources;
|
|
}
|
|
|
|
coll_fragment->alg = RECURSIVE_KNOMIAL_BARRIER_ALG;
|
|
|
|
/*
|
|
* NOTE: need to generate template, if this will be a multiple fragment
|
|
* message. This way we can progress the collective w/o knowing it's
|
|
* type - actually, this is not the case for barrier, but just a note
|
|
* to remind us that we need to generalize this.
|
|
*/
|
|
|
|
mqe_ptr_to_set = &coll_fragment->to_post;
|
|
|
|
/*
|
|
* Fill in the communication pattern
|
|
*/
|
|
|
|
/*
|
|
* If non power of 2, may need to wait for message from "extra" proc.
|
|
*/
|
|
|
|
if (0 < my_exchange_node->n_extra_sources) {
|
|
if (EXCHANGE_NODE == my_exchange_node->node_type) {
|
|
/* I will participate in the exchange (of the algorithm) -
|
|
* wait for signal from extra process */
|
|
for (k = 0; k < my_exchange_node->n_extra_sources; k++) {
|
|
extra_rank = my_exchange_node->rank_extra_sources_array[k];
|
|
IBOFFLOAD_VERBOSE(10,("Exchange [ %d ] extra get %d", k, extra_rank));
|
|
|
|
preposted_recv_frag = mca_bcol_iboffload_get_preposted_recv_frag(
|
|
iboffload, extra_rank, coll_request->qp_index);
|
|
|
|
if (OPAL_UNLIKELY(NULL == preposted_recv_frag)) {
|
|
IBOFFLOAD_VERBOSE(10, ("Non power of 2 case: "
|
|
"Failing for getting prepost recv frag.\n"));
|
|
goto out_of_resources;
|
|
}
|
|
|
|
wait_task = mca_bcol_iboffload_get_wait_task(iboffload,
|
|
extra_rank, 1, preposted_recv_frag, coll_request->qp_index, NULL);
|
|
if (OPAL_UNLIKELY(NULL == wait_task)) {
|
|
IBOFFLOAD_VERBOSE(10, ("Non power of 2 case: "
|
|
"Failing for getting wait task.\n"));
|
|
goto out_of_resources;
|
|
}
|
|
|
|
APPEND_TO_TASKLIST(mqe_ptr_to_set, wait_task, last_wait);
|
|
MCA_BCOL_IBOFFLOAD_APPEND_TASK_TO_LIST(coll_fragment->task_next, wait_task);
|
|
}
|
|
} else {
|
|
/* I will not participate in the exchange - so just "register" as here */
|
|
extra_rank = my_exchange_node->rank_extra_sources_array[0];
|
|
IBOFFLOAD_VERBOSE(10,("Send to proxy %d", extra_rank));
|
|
/* send - no need to send any data, in-order delivery */
|
|
send_fragment = mca_bcol_iboffload_get_send_frag(coll_request,
|
|
extra_rank, coll_request->qp_index, 0,
|
|
0, SBUF, MCA_BCOL_IBOFFLOAD_SEND_FRAG_DUMMY);
|
|
|
|
send_task = mca_bcol_iboffload_get_send_task(iboffload, extra_rank,
|
|
coll_request->qp_index, send_fragment, coll_fragment, INLINE);
|
|
if (OPAL_UNLIKELY(NULL == send_task)) {
|
|
IBOFFLOAD_VERBOSE(10, ("Non power of 2 case: "
|
|
"Failing for getting send task.\n"));
|
|
goto out_of_resources;
|
|
}
|
|
|
|
APPEND_TO_TASKLIST(mqe_ptr_to_set, send_task, last_send);
|
|
MCA_BCOL_IBOFFLOAD_APPEND_TASK_TO_LIST(coll_fragment->task_next, send_task);
|
|
}
|
|
}
|
|
|
|
/* loop over exchange send/recv pairs */
|
|
for (exchange = 0; exchange < my_exchange_node->n_exchanges; ++exchange) {
|
|
for (k = 0; k < my_exchange_node->tree_order - 1; k++) {
|
|
/* rank of exchange partner */
|
|
pair_rank = my_exchange_node->rank_exchanges[exchange][k];
|
|
IBOFFLOAD_VERBOSE(10,("Exchange [ %d ,%d ] send to %d", exchange, k, pair_rank));
|
|
/* post send */
|
|
send_fragment = mca_bcol_iboffload_get_send_frag(coll_request,
|
|
pair_rank, coll_request->qp_index, 0,
|
|
0, SBUF, MCA_BCOL_IBOFFLOAD_SEND_FRAG_DUMMY);
|
|
|
|
send_task = mca_bcol_iboffload_get_send_task(iboffload, pair_rank,
|
|
coll_request->qp_index,
|
|
send_fragment, coll_fragment, INLINE);
|
|
if (OPAL_UNLIKELY(NULL == send_task)) {
|
|
IBOFFLOAD_VERBOSE(10, ("Exchaging: "
|
|
"Failing for getting send task.\n"));
|
|
goto out_of_resources;
|
|
}
|
|
|
|
APPEND_TO_TASKLIST(mqe_ptr_to_set, send_task, last_send);
|
|
MCA_BCOL_IBOFFLOAD_APPEND_TASK_TO_LIST(coll_fragment->task_next, send_task);
|
|
}
|
|
|
|
for (k = 0; k < my_exchange_node->tree_order - 1; k++) {
|
|
|
|
pair_rank = my_exchange_node->rank_exchanges[exchange][k];
|
|
IBOFFLOAD_VERBOSE(10,("Exchange [ %d ,%d ] recv %d", exchange, k, pair_rank));
|
|
/* post wait */
|
|
preposted_recv_frag = mca_bcol_iboffload_get_preposted_recv_frag(
|
|
iboffload, pair_rank, coll_request->qp_index);
|
|
if (OPAL_UNLIKELY(NULL == preposted_recv_frag)) {
|
|
IBOFFLOAD_VERBOSE(10, ("Exchaging: "
|
|
"Failing for getting prepost recv frag.\n"));
|
|
goto out_of_resources;
|
|
}
|
|
|
|
wait_task = mca_bcol_iboffload_get_wait_task(iboffload, pair_rank, 1,
|
|
preposted_recv_frag, coll_request->qp_index, NULL);
|
|
if (OPAL_UNLIKELY(NULL == wait_task)) {
|
|
IBOFFLOAD_VERBOSE(10, ("Exchaging: "
|
|
"Failing for getting wait task.\n"));
|
|
goto out_of_resources;
|
|
}
|
|
|
|
APPEND_TO_TASKLIST(mqe_ptr_to_set, wait_task, last_wait);
|
|
MCA_BCOL_IBOFFLOAD_APPEND_TASK_TO_LIST(coll_fragment->task_next, wait_task);
|
|
}
|
|
}
|
|
|
|
/* if non power of 2, may need to send message to "extra" proc */
|
|
if (0 < my_exchange_node->n_extra_sources) {
|
|
if (EXTRA_NODE == my_exchange_node->node_type) {
|
|
/* I will not participate in the exchange -
|
|
* wait for signal from exchange process */
|
|
extra_rank = my_exchange_node->rank_extra_sources_array[0];
|
|
IBOFFLOAD_VERBOSE(10,("Wait from proxy %d", extra_rank));
|
|
/* post wait */
|
|
preposted_recv_frag =
|
|
mca_bcol_iboffload_get_preposted_recv_frag(iboffload, extra_rank,
|
|
coll_request->qp_index);
|
|
if (OPAL_UNLIKELY(NULL == preposted_recv_frag)) {
|
|
IBOFFLOAD_VERBOSE(10, ("Sending to 'extra' node: "
|
|
"Failing for getting prepost recv frag.\n"));
|
|
goto out_of_resources;
|
|
}
|
|
|
|
wait_task = mca_bcol_iboffload_get_wait_task(iboffload, extra_rank, 1,
|
|
preposted_recv_frag,
|
|
coll_request->qp_index, NULL);
|
|
if (OPAL_UNLIKELY(NULL == wait_task)) {
|
|
IBOFFLOAD_VERBOSE(10, ("Sending to 'extra' node: "
|
|
"Failing for getting wait task.\n"));
|
|
goto out_of_resources;
|
|
}
|
|
|
|
APPEND_TO_TASKLIST(mqe_ptr_to_set, wait_task, last_wait);
|
|
MCA_BCOL_IBOFFLOAD_APPEND_TASK_TO_LIST(coll_fragment->task_next, wait_task);
|
|
|
|
} else {
|
|
/* I will participate in the exchange -
|
|
* send signal to extra process */
|
|
for (k = 0; k < my_exchange_node->n_extra_sources; k++) {
|
|
extra_rank = my_exchange_node->rank_extra_sources_array[k];
|
|
IBOFFLOAD_VERBOSE(10,("Exchange [ %d ] extra release %d", k, extra_rank));
|
|
|
|
send_fragment = mca_bcol_iboffload_get_send_frag(coll_request,
|
|
extra_rank, coll_request->qp_index, 0,
|
|
0, SBUF, MCA_BCOL_IBOFFLOAD_SEND_FRAG_DUMMY);
|
|
|
|
send_task = mca_bcol_iboffload_get_send_task(
|
|
iboffload, extra_rank,
|
|
coll_request->qp_index,
|
|
send_fragment, coll_fragment, INLINE);
|
|
if (OPAL_UNLIKELY(NULL == send_task)) {
|
|
IBOFFLOAD_VERBOSE(10, ("Sending to 'extra' node: "
|
|
"Failing for getting send task.\n"));
|
|
goto out_of_resources;
|
|
}
|
|
|
|
APPEND_TO_TASKLIST(mqe_ptr_to_set, send_task, last_send);
|
|
MCA_BCOL_IBOFFLOAD_APPEND_TASK_TO_LIST(coll_fragment->task_next, send_task);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Fill in the the rest of the coll_fragment */
|
|
IBOFFLOAD_VERBOSE(10, ("Fill in the the rest of the coll_fragment.\n"));
|
|
/* end of list */
|
|
*mqe_ptr_to_set = NULL;
|
|
|
|
/* finish initializing full message descriptor */
|
|
coll_request->n_fragments = 1;
|
|
coll_request->n_frags_sent = 1;
|
|
|
|
coll_request->n_frag_mpi_complete = 0;
|
|
coll_request->n_frag_net_complete = 0;
|
|
|
|
coll_request->user_handle_freed = false;
|
|
|
|
last_wait->flags |= MQE_WR_FLAG_SIGNAL;
|
|
coll_fragment->signal_task_wr_id = last_wait->wr_id;
|
|
last_wait->wr_id = (uint64_t) (uintptr_t) coll_fragment;
|
|
|
|
/* post the mwr */
|
|
if (MCA_BCOL_IBOFFLOAD_QP_SYNC != coll_request->qp_index) {
|
|
rc = mca_bcol_iboffload_post_mqe_tasks(iboffload, coll_fragment->to_post);
|
|
if (OPAL_UNLIKELY(OMPI_SUCCESS != rc)) {
|
|
IBOFFLOAD_VERBOSE(10, ("MQE task posting failing.\n"));
|
|
/* Note: need to clean up */
|
|
return rc;
|
|
}
|
|
|
|
MCA_BCOL_UPDATE_ORDER_COUNTER(&iboffload->super, coll_request->order_info);
|
|
} else {
|
|
/* Special flow for ML service barrier , only this function supposed to
|
|
post service requests */
|
|
struct mqe_task *bad_mqe = NULL;
|
|
assert (MCA_BCOL_IBOFFLOAD_QP_SYNC == coll_request->qp_index );
|
|
/* Post to special service MQ - 1 */
|
|
rc = mqe_post_task(iboffload->mq[1], coll_fragment->to_post, &bad_mqe);
|
|
if (OPAL_UNLIKELY(0 != rc)) {
|
|
IBOFFLOAD_ERROR(("ibv_post_mqe failed on device (%s), errno says: %s,"
|
|
" the return code is [%d]\n",
|
|
ibv_get_device_name(iboffload->device->dev.ib_dev),
|
|
strerror(errno), rc));
|
|
return OMPI_ERROR;
|
|
}
|
|
}
|
|
|
|
IBOFFLOAD_VERBOSE(10, ("Return success.\n"));
|
|
return OMPI_SUCCESS;
|
|
|
|
out_of_resources:
|
|
/* Release all resources */
|
|
IBOFFLOAD_VERBOSE(10, ("Barrier, adding collfrag to collfrag_pending.\n"));
|
|
return mca_bcol_iboffload_free_resources_and_move_to_pending(coll_fragment, iboffload);
|
|
}
|
|
|
|
int mca_bcol_iboffload_barrier_intra_recursive_knomial_start(
|
|
struct mca_bcol_iboffload_module_t *iboffload,
|
|
struct mca_bcol_iboffload_collreq_t *coll_request)
|
|
{
|
|
int rc;
|
|
|
|
rc = recursive_knomial_start_connections(iboffload);
|
|
if (OPAL_UNLIKELY(OMPI_SUCCESS != rc)) {
|
|
return rc;
|
|
}
|
|
|
|
iboffload->barrier_algth =
|
|
mca_bcol_iboffload_barrier_intra_recursive_knomial;
|
|
return
|
|
mca_bcol_iboffload_barrier_intra_recursive_knomial(iboffload, coll_request);
|
|
}
|
|
|
|
int mca_bcol_iboffload_rec_doubling_start_connections(mca_bcol_iboffload_module_t *iboffload)
|
|
{
|
|
netpatterns_pair_exchange_node_t *my_exchange_node =
|
|
&iboffload->recursive_doubling_tree;
|
|
|
|
int i, n_exchanges = my_exchange_node->n_exchanges,
|
|
*exchanges = my_exchange_node->rank_exchanges,
|
|
n_extra_src = my_exchange_node->n_extra_sources,
|
|
rank_extra_src = my_exchange_node->rank_extra_source;
|
|
|
|
mca_bcol_iboffload_endpoint_t *ep;
|
|
|
|
IBOFFLOAD_VERBOSE(10, ("\nMy sbgp rank (index) - %d, "
|
|
"num of endpoints = %d, iboffload module - %p\n",
|
|
iboffload->ibnet->super.my_index, iboffload->num_endpoints, iboffload));
|
|
if (0 < n_extra_src) {
|
|
iboffload->alg_task_consump[RECURSIVE_DOUBLING_BARRIER_ALG] += 2; /* One send task one wait */
|
|
ep = iboffload->endpoints[rank_extra_src];
|
|
|
|
if (iboffload->ibnet->super.my_index < ep->index) {
|
|
while(0 == (ep)->remote_zero_rdma_addr.addr) {
|
|
opal_progress();
|
|
}
|
|
} else {
|
|
IBOFFLOAD_VERBOSE(10, ("Trying to connect - %d", ep->index));
|
|
while (OMPI_SUCCESS !=
|
|
check_endpoint_state(ep, NULL, NULL)) {
|
|
opal_progress();
|
|
}
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < n_exchanges; ++i) {
|
|
iboffload->alg_task_consump[RECURSIVE_DOUBLING_BARRIER_ALG] += 2; /* One send task one wait */
|
|
ep = iboffload->endpoints[exchanges[i]];
|
|
|
|
if (iboffload->ibnet->super.my_index < ep->index) {
|
|
while(0 == (ep)->remote_zero_rdma_addr.addr) {
|
|
opal_progress();
|
|
}
|
|
} else {
|
|
IBOFFLOAD_VERBOSE(10, ("Trying to connect - %d", ep->index));
|
|
while (OMPI_SUCCESS !=
|
|
check_endpoint_state(ep, NULL, NULL)) {
|
|
opal_progress();
|
|
}
|
|
}
|
|
}
|
|
|
|
return OMPI_SUCCESS;
|
|
}
|
|
|
|
static int mca_bcol_iboffload_barrier_init(
|
|
bcol_function_args_t *input_args,
|
|
mca_bcol_iboffload_module_t *iboffload,
|
|
collective_message_completion_callback_function cb_fn,
|
|
struct mca_bcol_iboffload_collreq_t **coll_request)
|
|
{
|
|
ompi_free_list_item_t *item;
|
|
mca_bcol_iboffload_collfrag_t *coll_fragment;
|
|
|
|
mca_bcol_iboffload_component_t *cm = &mca_bcol_iboffload_component;
|
|
|
|
IBOFFLOAD_VERBOSE(10, ("Calling for mca_bcol_iboffload_barrier_init"));
|
|
|
|
OMPI_FREE_LIST_WAIT_MT(&cm->collreqs_free, item);
|
|
if (OPAL_UNLIKELY(NULL == item)) {
|
|
IBOFFLOAD_VERBOSE(10, ("Failing for coll request free list waiting.\n"));
|
|
return OMPI_ERR_OUT_OF_RESOURCE;
|
|
}
|
|
|
|
(*coll_request) = (mca_bcol_iboffload_collreq_t *) item;
|
|
(*coll_request)->progress_fn = iboffload->barrier_algth;
|
|
|
|
/*
|
|
* For usual barrier it is null. For memory
|
|
* service barrier we need some work to do
|
|
*/
|
|
(*coll_request)->completion_cb_fn = cb_fn;
|
|
(*coll_request)->order_info = &input_args->order_info;
|
|
|
|
(*coll_request)->module = iboffload;
|
|
(*coll_request)->ml_buffer_index = input_args->buffer_index;
|
|
(*coll_request)->buffer_info[SBUF].offset = 0;
|
|
(*coll_request)->buffer_info[RBUF].offset = 0;
|
|
(*coll_request)->qp_index = MCA_BCOL_IBOFFLOAD_QP_BARRIER;
|
|
|
|
input_args->bcol_opaque_data = (void *) (*coll_request);
|
|
|
|
/*
|
|
* setup collective work request
|
|
*/
|
|
|
|
/* get collective frag */
|
|
coll_fragment = &(*coll_request)->first_collfrag;
|
|
mca_bcol_iboffload_collfrag_init(coll_fragment);
|
|
|
|
coll_fragment->mq_index = COLL_MQ;
|
|
|
|
/* set pointers for (coll frag) <-> (coll full request) */
|
|
MCA_BCOL_IBOFFLOAD_SET_COLL_REQ_LINKS(*coll_request, coll_fragment);
|
|
|
|
return OMPI_SUCCESS;
|
|
}
|
|
|
|
/************************************************************************
|
|
************************ New style Barrier *****************************
|
|
***********************************************************************/
|
|
|
|
static int mca_bcol_iboffload_new_style_barrier_progress(
|
|
bcol_function_args_t *input_args,
|
|
struct coll_ml_function_t *const_args)
|
|
{
|
|
mca_bcol_iboffload_collreq_t *coll_request =
|
|
(mca_bcol_iboffload_collreq_t *)
|
|
input_args->bcol_opaque_data;
|
|
|
|
if (BCOL_IS_COMPLETED(coll_request)) {
|
|
coll_request->user_handle_freed = true;
|
|
if (COLLREQ_IS_DONE(coll_request)) {
|
|
IBOFFLOAD_VERBOSE(10, ("Coll request already done.\n"));
|
|
RELEASE_COLLREQ(coll_request);
|
|
}
|
|
|
|
IBOFFLOAD_VERBOSE(10, ("Barrier already done.\n"));
|
|
return BCOL_FN_COMPLETE;
|
|
}
|
|
|
|
return BCOL_FN_STARTED;
|
|
}
|
|
|
|
static int mca_bcol_iboffload_new_style_barrier_intra(
|
|
bcol_function_args_t *input_args,
|
|
struct coll_ml_function_t *const_args)
|
|
{
|
|
/* local variables */
|
|
int rc;
|
|
mca_bcol_iboffload_collreq_t *coll_request;
|
|
mca_bcol_iboffload_module_t *iboffload =
|
|
(mca_bcol_iboffload_module_t *) const_args->bcol_module;
|
|
|
|
/* check for ordering */
|
|
MCA_BCOL_CHECK_ORDER(const_args->bcol_module, input_args);
|
|
|
|
/*
|
|
* recursive doubling
|
|
*/
|
|
|
|
|
|
IBOFFLOAD_VERBOSE(10, ("Barrier starts.\n"));
|
|
|
|
/* init barrier collective reqeust */
|
|
rc = mca_bcol_iboffload_barrier_init(input_args, iboffload, NULL, &coll_request);
|
|
if (OPAL_UNLIKELY(OMPI_SUCCESS != rc)) {
|
|
IBOFFLOAD_ERROR(("Get error from mca_bcol_iboffload_barrier_init"));
|
|
return rc;
|
|
}
|
|
|
|
/* start the barrier */
|
|
rc = iboffload->barrier_algth(iboffload, coll_request);
|
|
if (OPAL_UNLIKELY(OMPI_ERROR == rc)) {
|
|
return BCOL_FN_NOT_STARTED;
|
|
}
|
|
|
|
/* done */
|
|
return BCOL_FN_STARTED;
|
|
}
|
|
|
|
int mca_bcol_iboffload_barrier_register(mca_bcol_base_module_t *super)
|
|
{
|
|
mca_bcol_base_coll_fn_comm_attributes_t comm_attribs;
|
|
mca_bcol_base_coll_fn_invoke_attributes_t inv_attribs;
|
|
|
|
IBOFFLOAD_VERBOSE(10, ("Register iboffload Barrier.\n"));
|
|
|
|
comm_attribs.bcoll_type = BCOL_BARRIER;
|
|
|
|
comm_attribs.comm_size_min = 0;
|
|
comm_attribs.comm_size_max = 1024 * 1024;
|
|
comm_attribs.waiting_semantics = NON_BLOCKING;
|
|
|
|
inv_attribs.bcol_msg_min = 0;
|
|
inv_attribs.bcol_msg_max = 20000; /* range 1 */
|
|
|
|
inv_attribs.datatype_bitmap = 0xffffffff;
|
|
inv_attribs.op_types_bitmap = 0xffffffff;
|
|
|
|
comm_attribs.data_src = DATA_SRC_KNOWN;
|
|
|
|
mca_bcol_base_set_attributes(super,
|
|
&comm_attribs, &inv_attribs,
|
|
mca_bcol_iboffload_new_style_barrier_intra,
|
|
mca_bcol_iboffload_new_style_barrier_progress);
|
|
|
|
return OMPI_SUCCESS;
|
|
}
|
|
|
|
int mca_bcol_iboffload_memsync_register(mca_bcol_base_module_t *super)
|
|
{
|
|
mca_bcol_base_coll_fn_comm_attributes_t comm_attribs;
|
|
mca_bcol_base_coll_fn_invoke_attributes_t inv_attribs;
|
|
|
|
IBOFFLOAD_VERBOSE(10, ("Register sync function\n"));
|
|
|
|
comm_attribs.bcoll_type = BCOL_SYNC;
|
|
|
|
comm_attribs.comm_size_min = 0;
|
|
comm_attribs.comm_size_max = 1024 * 1024;
|
|
comm_attribs.waiting_semantics = NON_BLOCKING;
|
|
|
|
inv_attribs.bcol_msg_min = 0;
|
|
inv_attribs.bcol_msg_max = 20000; /* range 1 */
|
|
|
|
inv_attribs.datatype_bitmap = 0xffffffff;
|
|
inv_attribs.op_types_bitmap = 0xffffffff;
|
|
|
|
comm_attribs.data_src = DATA_SRC_KNOWN;
|
|
|
|
mca_bcol_base_set_attributes(super,
|
|
&comm_attribs, &inv_attribs,
|
|
mca_bcol_iboffload_nb_memory_service_barrier_intra,
|
|
mca_bcol_iboffload_new_style_barrier_progress);
|
|
|
|
return OMPI_SUCCESS;
|
|
}
|