353 строки
13 KiB
C
353 строки
13 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2011-2012 Los Alamos National Security, LLC. All rights
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* reserved.
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* Copyright (c) 2011 UT-Battelle, LLC. 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 "btl_ugni.h"
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#include "btl_ugni_frag.h"
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#include "btl_ugni_smsg.h"
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static int
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mca_btl_ugni_setup_mpools (mca_btl_ugni_module_t *ugni_module);
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static void
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mca_btl_ugni_module_set_max_reg (mca_btl_ugni_module_t *ugni_module, int nlocal_procs);
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int mca_btl_ugni_add_procs(struct mca_btl_base_module_t* btl,
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size_t nprocs,
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struct ompi_proc_t **procs,
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struct mca_btl_base_endpoint_t **peers,
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opal_bitmap_t *reachable) {
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mca_btl_ugni_module_t *ugni_module = (mca_btl_ugni_module_t *) btl;
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size_t ntotal_procs, nlocal_procs, i;
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bool first_time_init = (NULL == ugni_module->endpoints);
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int rc;
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if (NULL == ugni_module->endpoints) {
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(void) ompi_proc_world (&ntotal_procs);
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ugni_module->endpoints = calloc (ntotal_procs, sizeof (mca_btl_base_endpoint_t *));
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if (OPAL_UNLIKELY(NULL == ugni_module->endpoints)) {
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return OMPI_ERR_OUT_OF_RESOURCE;
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}
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}
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for (i = 0, nlocal_procs = 0 ; i < nprocs ; ++i) {
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struct ompi_proc_t *ompi_proc = procs[i];
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uint32_t rem_rank = ompi_proc->proc_name.vpid;
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if (OPAL_PROC_ON_LOCAL_NODE(ompi_proc->proc_flags)) {
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/* don't use uGNI to communicate with local procs */
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nlocal_procs++;
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continue;
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}
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/* Create and Init endpoints */
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rc = mca_btl_ugni_init_ep (peers + i, (mca_btl_ugni_module_t *) btl, ompi_proc);
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if (OPAL_UNLIKELY(OMPI_SUCCESS != rc)) {
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BTL_ERROR(("btl/ugni error initializing endpoint"));
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return rc;
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}
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/* Set the reachable bit */
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rc = opal_bitmap_set_bit (reachable, i);
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/* Store a reference to this peer */
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ugni_module->endpoints[rem_rank] = peers[i];
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}
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if (first_time_init) {
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mca_btl_ugni_module_set_max_reg (ugni_module, nlocal_procs);
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rc = GNI_CqCreate (ugni_module->device->dev_handle, mca_btl_ugni_component.local_cq_size,
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0, GNI_CQ_NOBLOCK, NULL, NULL, &ugni_module->rdma_local_cq);
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if (GNI_RC_SUCCESS != rc) {
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BTL_ERROR(("error creating local BTE/FMA CQ"));
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return ompi_common_rc_ugni_to_ompi (rc);
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}
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rc = GNI_CqCreate (ugni_module->device->dev_handle, mca_btl_ugni_component.local_cq_size,
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0, GNI_CQ_NOBLOCK, NULL, NULL, &ugni_module->smsg_local_cq);
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if (GNI_RC_SUCCESS != rc) {
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BTL_ERROR(("error creating local SMSG CQ"));
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return ompi_common_rc_ugni_to_ompi (rc);
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}
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rc = GNI_CqCreate (ugni_module->device->dev_handle, mca_btl_ugni_component.remote_cq_size,
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0, GNI_CQ_NOBLOCK, NULL, NULL, &ugni_module->smsg_remote_cq);
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if (GNI_RC_SUCCESS != rc) {
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BTL_ERROR(("error creating remote SMSG CQ"));
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return ompi_common_rc_ugni_to_ompi (rc);
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}
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rc = mca_btl_ugni_setup_mpools (ugni_module);
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if (OPAL_UNLIKELY(OMPI_SUCCESS != rc)) {
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BTL_ERROR(("btl/ugni error setting up mpools/free lists"));
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return rc;
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}
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rc = mca_btl_ugni_smsg_init (ugni_module);
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if (OPAL_UNLIKELY(OMPI_SUCCESS != rc)) {
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BTL_ERROR(("btl/ugni error initializing SMSG"));
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return rc;
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}
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}
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ugni_module->endpoint_count += nprocs;
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return OMPI_SUCCESS;
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}
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int mca_btl_ugni_del_procs (struct mca_btl_base_module_t *btl,
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size_t nprocs, struct ompi_proc_t **procs,
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struct mca_btl_base_endpoint_t **peers) {
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mca_btl_ugni_module_t *ugni_module = (mca_btl_ugni_module_t *) btl;
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size_t i;
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/* NTH: this function destroys the endpoint list which will cause bad
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things to happen if the caller only wants to delete a few procs. */
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for (i = 0 ; i < nprocs ; ++i) {
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struct ompi_proc_t *ompi_proc = procs[i];
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uint32_t rem_rank = ompi_proc->proc_name.vpid;
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if (ugni_module->endpoints[rem_rank]) {
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mca_btl_ugni_release_ep (ugni_module->endpoints[rem_rank]);
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}
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ugni_module->endpoints[rem_rank] = NULL;
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}
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ugni_module->endpoint_count -= nprocs;
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if (0 == ugni_module->endpoint_count) {
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free (ugni_module->endpoints);
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ugni_module->endpoints = NULL;
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}
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return OMPI_SUCCESS;
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}
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static int ugni_reg_rdma_mem (void *reg_data, void *base, size_t size,
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mca_mpool_base_registration_t *reg)
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{
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mca_btl_ugni_module_t *ugni_module = (mca_btl_ugni_module_t *) reg_data;
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mca_btl_ugni_reg_t *ugni_reg = (mca_btl_ugni_reg_t *) reg;
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gni_return_t rc;
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if (ugni_module->reg_count >= ugni_module->reg_max) {
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return OMPI_ERR_OUT_OF_RESOURCE;
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}
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rc = GNI_MemRegister (ugni_module->device->dev_handle, (uint64_t) base,
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size, NULL, GNI_MEM_READWRITE | GNI_MEM_RELAXED_PI_ORDERING,
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-1, &(ugni_reg->memory_hdl));
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if (OPAL_UNLIKELY(GNI_RC_SUCCESS != rc)) {
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return OMPI_ERR_OUT_OF_RESOURCE;
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}
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ugni_module->reg_count++;
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return OMPI_SUCCESS;
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}
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static int ugni_reg_smsg_mem (void *reg_data, void *base, size_t size,
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mca_mpool_base_registration_t *reg)
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{
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mca_btl_ugni_module_t *ugni_module = (mca_btl_ugni_module_t *) reg_data;
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mca_btl_ugni_reg_t *ugni_reg = (mca_btl_ugni_reg_t *) reg;
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gni_return_t rc;
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rc = GNI_MemRegister (ugni_module->device->dev_handle, (uint64_t) base,
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size, ugni_module->smsg_remote_cq, GNI_MEM_READWRITE, -1,
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&(ugni_reg->memory_hdl));
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return ompi_common_rc_ugni_to_ompi (rc);
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}
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static int
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ugni_dereg_mem (void *reg_data, mca_mpool_base_registration_t *reg)
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{
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mca_btl_ugni_module_t *ugni_module = (mca_btl_ugni_module_t *) reg_data;
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mca_btl_ugni_reg_t *ugni_reg = (mca_btl_ugni_reg_t *)reg;
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gni_return_t rc;
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rc = GNI_MemDeregister (ugni_module->device->dev_handle, &ugni_reg->memory_hdl);
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if (GNI_RC_SUCCESS != rc) {
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return OMPI_ERROR;
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}
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ugni_module->reg_count--;
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return OMPI_SUCCESS;
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}
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static int
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mca_btl_ugni_setup_mpools (mca_btl_ugni_module_t *ugni_module)
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{
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struct mca_mpool_base_resources_t mpool_resources;
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int mbox_increment, rc;
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size_t nprocs;
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rc = opal_pointer_array_init (&ugni_module->pending_smsg_frags_bb, 0,
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1 << 30, 32768);
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if (OPAL_SUCCESS != rc) {
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return rc;
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}
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(void) ompi_proc_world (&nprocs);
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rc = ompi_free_list_init_ex_new (&ugni_module->smsg_frags,
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sizeof (mca_btl_ugni_smsg_frag_t),
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opal_cache_line_size, OBJ_CLASS(mca_btl_ugni_smsg_frag_t),
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mca_btl_ugni_component.ugni_smsg_limit,
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opal_cache_line_size,
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mca_btl_ugni_component.ugni_free_list_num,
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mca_btl_ugni_component.ugni_free_list_max,
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mca_btl_ugni_component.ugni_free_list_inc,
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NULL, (ompi_free_list_item_init_fn_t) mca_btl_ugni_frag_init,
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(void *) ugni_module);
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if (OPAL_UNLIKELY(OMPI_SUCCESS != rc)) {
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BTL_ERROR(("error creating smsg fragment free list"));
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return rc;
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}
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rc = ompi_free_list_init_ex_new (&ugni_module->rdma_frags,
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sizeof (mca_btl_ugni_rdma_frag_t), 64,
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OBJ_CLASS(mca_btl_ugni_rdma_frag_t),
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0, opal_cache_line_size,
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mca_btl_ugni_component.ugni_free_list_num,
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mca_btl_ugni_component.ugni_free_list_max,
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mca_btl_ugni_component.ugni_free_list_inc,
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NULL, (ompi_free_list_item_init_fn_t) mca_btl_ugni_frag_init,
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(void *) ugni_module);
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if (OPAL_UNLIKELY(OMPI_SUCCESS != rc)) {
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return rc;
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}
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rc = ompi_free_list_init_ex_new (&ugni_module->rdma_int_frags,
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sizeof (mca_btl_ugni_rdma_frag_t), 8,
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OBJ_CLASS(mca_btl_ugni_rdma_frag_t),
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0, opal_cache_line_size, 0, -1, 64,
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NULL, (ompi_free_list_item_init_fn_t) mca_btl_ugni_frag_init,
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(void *) ugni_module);
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if (OPAL_UNLIKELY(OMPI_SUCCESS != rc)) {
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return rc;
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}
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mpool_resources.pool_name = "ugni";
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mpool_resources.reg_data = (void *) ugni_module;
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mpool_resources.sizeof_reg = sizeof (mca_btl_ugni_reg_t);
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mpool_resources.register_mem = ugni_reg_rdma_mem;
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mpool_resources.deregister_mem = ugni_dereg_mem;
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ugni_module->super.btl_mpool =
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mca_mpool_base_module_create("grdma", ugni_module->device,
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&mpool_resources);
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if (NULL == ugni_module->super.btl_mpool) {
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BTL_ERROR(("error creating rdma mpool"));
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return OMPI_ERROR;
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}
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mpool_resources.register_mem = ugni_reg_smsg_mem;
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ugni_module->smsg_mpool =
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mca_mpool_base_module_create("grdma", ugni_module->device,
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&mpool_resources);
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if (NULL == ugni_module->smsg_mpool) {
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BTL_ERROR(("error creating smsg mpool"));
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return OMPI_ERROR;
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}
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rc = ompi_free_list_init_ex_new (&ugni_module->eager_frags_send,
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sizeof (mca_btl_ugni_eager_frag_t), 8,
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OBJ_CLASS(mca_btl_ugni_eager_frag_t),
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ugni_module->super.btl_eager_limit, 64,
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mca_btl_ugni_component.ugni_eager_num,
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mca_btl_ugni_component.ugni_eager_max,
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mca_btl_ugni_component.ugni_eager_inc,
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ugni_module->super.btl_mpool,
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(ompi_free_list_item_init_fn_t) mca_btl_ugni_frag_init,
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(void *) ugni_module);
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if (OPAL_UNLIKELY(OMPI_SUCCESS != rc)) {
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BTL_ERROR(("error creating eager send fragment free list"));
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return rc;
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}
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rc = ompi_free_list_init_ex_new (&ugni_module->eager_frags_recv,
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sizeof (mca_btl_ugni_eager_frag_t), 8,
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OBJ_CLASS(mca_btl_ugni_eager_frag_t),
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ugni_module->super.btl_eager_limit, 64,
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mca_btl_ugni_component.ugni_eager_num,
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mca_btl_ugni_component.ugni_eager_max,
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mca_btl_ugni_component.ugni_eager_inc,
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ugni_module->super.btl_mpool,
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(ompi_free_list_item_init_fn_t) mca_btl_ugni_frag_init,
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(void *) ugni_module);
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if (OPAL_UNLIKELY(OMPI_SUCCESS != rc)) {
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BTL_ERROR(("error creating eager receive fragment free list"));
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return rc;
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}
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OBJ_CONSTRUCT(&ugni_module->smsg_mboxes, ompi_free_list_t);
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mbox_increment = nprocs;
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/* limit mailbox allocations to either 12.5% of available registrations
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or 2MiB per allocation */
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if (nprocs * mca_btl_ugni_component.smsg_mbox_size > 2097152) {
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mbox_increment = (int) (2097152.0 / (float)mca_btl_ugni_component.smsg_mbox_size);
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}
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if (nprocs/mbox_increment > ugni_module->reg_max / 8) {
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mbox_increment = nprocs / (ugni_module->reg_max >> 3);
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}
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rc = ompi_free_list_init_new (&ugni_module->smsg_mboxes,
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sizeof (mca_btl_ugni_smsg_mbox_t), 8,
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OBJ_CLASS(mca_btl_ugni_smsg_mbox_t),
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mca_btl_ugni_component.smsg_mbox_size, 128,
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32, nprocs, mbox_increment,
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ugni_module->smsg_mpool);
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if (OPAL_UNLIKELY(OMPI_SUCCESS != rc)) {
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BTL_ERROR(("error creating smsg mailbox free list"));
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return rc;
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}
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return OMPI_SUCCESS;
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}
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static void
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mca_btl_ugni_module_set_max_reg (mca_btl_ugni_module_t *ugni_module, int nlocal_procs)
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{
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if (0 == mca_btl_ugni_component.max_mem_reg) {
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#if defined(HAVE_GNI_GETJOBRESINFO)
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gni_job_res_desc_t res_des;
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gni_return_t grc;
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grc = GNI_GetJobResInfo (ugni_module->device->dev_id, ompi_common_ugni_module.ptag,
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GNI_JOB_RES_MDD, &res_des);
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if (GNI_RC_SUCCESS == grc) {
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ugni_module->reg_max = (res_des.limit - res_des.used) / nlocal_procs;
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}
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#else
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/* no way to determine the maximum registration count */
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ugni_module->reg_max = 1200 / nlocal_procs;
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#endif
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} else if (-1 == mca_btl_ugni_component.max_mem_reg) {
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ugni_module->reg_max = INT_MAX;
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} else {
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ugni_module->reg_max = mca_btl_ugni_component.max_mem_reg;
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}
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ugni_module->reg_count = 0;
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}
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