430 строки
14 KiB
C
430 строки
14 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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/**
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* @file
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*
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*/
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#include "ompi_config.h"
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <sys/types.h>
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#ifdef HAVE_SYS_MMAN_H
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#include <sys/mman.h>
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#endif
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#include <fcntl.h>
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#include <errno.h>
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#include "coll_hcoll.h"
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#include "ompi/constants.h"
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#include "ompi/communicator/communicator.h"
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#include "ompi/datatype/ompi_datatype.h"
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#include "ompi/datatype/ompi_datatype_internal.h"
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#include "ompi/mca/pml/pml.h"
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#include "hcoll_dte.h"
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#include "hcoll_api.h"
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#include "hcoll_constants.h"
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/*
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* Local functions
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*/
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static int recv_nb(dte_data_representation_t data ,
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uint32_t count ,
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void *buffer,
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rte_ec_handle_t ,
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rte_grp_handle_t ,
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uint32_t tag,
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rte_request_handle_t * req);
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static int send_nb(dte_data_representation_t data,
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uint32_t count,
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void *buffer,
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rte_ec_handle_t ec_h,
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rte_grp_handle_t grp_h,
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uint32_t tag, rte_request_handle_t *req);
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static int test( rte_request_handle_t * request ,
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int * completed );
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static int ec_handle_compare( rte_ec_handle_t handle_1 ,
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rte_grp_handle_t
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group_handle_1 ,
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rte_ec_handle_t handle_2 ,
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rte_grp_handle_t
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group_handle_2 );
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static int get_ec_handles( int num_ec ,
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int * ec_indexes ,
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rte_grp_handle_t ,
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rte_ec_handle_t * ec_handles );
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static int get_my_ec(rte_grp_handle_t , rte_ec_handle_t *ec_handle);
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static int group_size ( rte_grp_handle_t group );
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static int my_rank (rte_grp_handle_t grp_h);
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static int ec_on_local_node (rte_ec_handle_t ec, rte_grp_handle_t group);
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static rte_grp_handle_t get_world_group_handle(void);
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static uint32_t jobid(void);
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static void progress(void){
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opal_progress();
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}
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static void* get_coll_handle(void);
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static int coll_handle_test(void* handle);
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static void coll_handle_free(void *handle);
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static void coll_handle_complete(void *handle);
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static int group_id(rte_grp_handle_t group);
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static int world_rank(rte_grp_handle_t grp_h, rte_ec_handle_t ec);
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/* Module Constructors */
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static void init_module_fns(void){
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hcoll_rte_functions.send_fn = send_nb;
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hcoll_rte_functions.recv_fn = recv_nb;
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hcoll_rte_functions.ec_cmp_fn = ec_handle_compare;
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hcoll_rte_functions.get_ec_handles_fn = get_ec_handles;
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hcoll_rte_functions.rte_group_size_fn = group_size;
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hcoll_rte_functions.test_fn = test;
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hcoll_rte_functions.rte_my_rank_fn = my_rank;
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hcoll_rte_functions.rte_ec_on_local_node_fn = ec_on_local_node;
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hcoll_rte_functions.rte_world_group_fn = get_world_group_handle;
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hcoll_rte_functions.rte_jobid_fn = jobid;
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hcoll_rte_functions.rte_progress_fn = progress;
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hcoll_rte_functions.rte_get_coll_handle_fn = get_coll_handle;
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hcoll_rte_functions.rte_coll_handle_test_fn = coll_handle_test;
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hcoll_rte_functions.rte_coll_handle_free_fn = coll_handle_free;
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hcoll_rte_functions.rte_coll_handle_complete_fn = coll_handle_complete;
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hcoll_rte_functions.rte_group_id_fn = group_id;
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hcoll_rte_functions.rte_world_rank_fn = world_rank;
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}
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void hcoll_rte_fns_setup(void)
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{
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init_module_fns();
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OBJ_CONSTRUCT(&mca_coll_hcoll_component.requests, ompi_free_list_t);
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ompi_free_list_init_ex_new(
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&(mca_coll_hcoll_component.requests),
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sizeof(ompi_request_t),
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/* no special alignment needed */
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8,
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OBJ_CLASS(ompi_request_t),
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/* no payload data */
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0, 0,
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/* NOTE: hack - need to parametrize this */
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10,
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50,
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10,
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/* No Mpool */
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NULL,
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NULL,
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NULL
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);
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}
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/* This one converts dte_general_representation data into regular iovec array which is
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used in rml
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*/
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static inline int count_total_dte_repeat_entries(struct dte_data_representation_t *data){
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unsigned int i;
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struct dte_generalized_iovec_t * dte_iovec =
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data->rep.general_rep->data_representation.data;
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int total_entries_number = 0;
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for (i=0; i< dte_iovec->repeat_count; i++){
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total_entries_number += dte_iovec->repeat[i].n_elements;
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}
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return total_entries_number;
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}
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static int recv_nb(struct dte_data_representation_t data,
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uint32_t count ,
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void *buffer,
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rte_ec_handle_t ec_h,
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rte_grp_handle_t grp_h,
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uint32_t tag,
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rte_request_handle_t *req)
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{
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ompi_communicator_t *comm = (ompi_communicator_t *)grp_h;
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if (NULL == ec_h.handle && -1 != ec_h.rank) {
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fprintf(stderr,"***Error in hcolrte_rml_recv_nb: wrong null argument: "
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"ec_h.handle = %p, ec_h.rank = %d\n",ec_h.handle,ec_h.rank);
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return 1;
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}
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if (HCOL_DTE_IS_INLINE(data)){
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/*do inline nb recv*/
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int rc;
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size_t size;
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ompi_request_t *ompi_req;
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ompi_free_list_item_t *item;
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if (!buffer && !HCOL_DTE_IS_ZERO(data)) {
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fprintf(stderr, "***Error in hcolrte_rml_recv_nb: buffer pointer is NULL"
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" for non DTE_ZERO INLINE data representation\n");
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return 1;
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}
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size = (size_t)data.rep.in_line_rep.data_handle.in_line.packed_size*count/8;
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HCOL_VERBOSE(30,"PML_IRECV: dest = %d: buf = %p: size = %u: comm = %p",
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ec_h.rank, buffer, (unsigned int)size, (void *)comm);
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if (MCA_PML_CALL(irecv(buffer,size,&(ompi_mpi_unsigned_char.dt),ec_h.rank,
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tag,comm,&ompi_req)))
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{
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return 1;
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}
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req->data = (void *)ompi_req;
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req->status = HCOLRTE_REQUEST_ACTIVE;
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}else{
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/*do iovec nb recv*/
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int total_entries_number;
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int i;
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unsigned int j;
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void *buf;
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uint64_t len;
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int repeat_count;
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struct dte_struct_t * repeat;
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if (NULL != buffer) {
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/* We have a full data description & buffer pointer simultaneously.
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It is ambiguous. Throw a warning since the user might have made a
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mistake with data reps*/
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fprintf(stderr,"Warning: buffer_pointer != NULL for NON-inline data representation: buffer_pointer is ignored.\n");
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}
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total_entries_number = count_total_dte_repeat_entries(&data);
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repeat = data.rep.general_rep->data_representation.data->repeat;
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repeat_count = data.rep.general_rep->data_representation.data->repeat_count;
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for (i=0; i< repeat_count; i++){
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for (j=0; j<repeat[i].n_elements; j++){
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char *repeat_unit = (char *)&repeat[i];
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buf = (void *)(repeat_unit+repeat[i].elements[j].base_offset);
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len = repeat[i].elements[j].packed_size;
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recv_nb(DTE_BYTE,len,buf,ec_h,grp_h,tag,req);
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}
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}
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}
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return HCOLL_SUCCESS;
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}
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static int send_nb( dte_data_representation_t data,
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uint32_t count,
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void *buffer,
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rte_ec_handle_t ec_h,
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rte_grp_handle_t grp_h,
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uint32_t tag,
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rte_request_handle_t *req)
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{
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ompi_communicator_t *comm = (ompi_communicator_t *)grp_h;
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if (! ec_h.handle) {
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fprintf(stderr,"***Error in hcolrte_rml_send_nb: wrong null argument: "
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"ec_h.handle = %p, ec_h.rank = %d\n",ec_h.handle,ec_h.rank);
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return 1;
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}
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if (HCOL_DTE_IS_INLINE(data)){
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/*do inline nb recv*/
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int rc;
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size_t size;
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ompi_request_t *ompi_req;
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ompi_free_list_item_t *item;
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if (!buffer && !HCOL_DTE_IS_ZERO(data)) {
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fprintf(stderr, "***Error in hcolrte_rml_send_nb: buffer pointer is NULL"
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" for non DTE_ZERO INLINE data representation\n");
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return 1;
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}
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size = (size_t)data.rep.in_line_rep.data_handle.in_line.packed_size*count/8;
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HCOL_VERBOSE(30,"PML_ISEND: dest = %d: buf = %p: size = %u: comm = %p",
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ec_h.rank, buffer, (unsigned int)size, (void *)comm);
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if (MCA_PML_CALL(isend(buffer,size,&(ompi_mpi_unsigned_char.dt),ec_h.rank,
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tag,MCA_PML_BASE_SEND_STANDARD,comm,&ompi_req)))
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{
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return 1;
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}
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req->data = (void *)ompi_req;
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req->status = HCOLRTE_REQUEST_ACTIVE;
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}else{
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int total_entries_number;
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int i;
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unsigned int j;
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void *buf;
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uint64_t len;
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int repeat_count;
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struct dte_struct_t * repeat;
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if (NULL != buffer) {
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/* We have a full data description & buffer pointer simultaneously.
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It is ambiguous. Throw a warning since the user might have made a
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mistake with data reps*/
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fprintf(stderr,"Warning: buffer_pointer != NULL for NON-inline data representation: buffer_pointer is ignored.\n");
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}
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total_entries_number = count_total_dte_repeat_entries(&data);
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repeat = data.rep.general_rep->data_representation.data->repeat;
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repeat_count = data.rep.general_rep->data_representation.data->repeat_count;
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for (i=0; i< repeat_count; i++){
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for (j=0; j<repeat[i].n_elements; j++){
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char *repeat_unit = (char *)&repeat[i];
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buf = (void *)(repeat_unit+repeat[i].elements[j].base_offset);
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len = repeat[i].elements[j].packed_size;
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send_nb(DTE_BYTE,len,buf,ec_h,grp_h,tag,req);
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}
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}
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}
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return HCOLL_SUCCESS;
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}
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static int test( rte_request_handle_t * request ,
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int * completed )
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{
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ompi_request_t * ompi_req = (ompi_request_t *)request->data;
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if (HCOLRTE_REQUEST_ACTIVE != request->status){
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*completed = true;
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return HCOLL_SUCCESS;
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}
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/*ompi_request_test(&ompi_req,completed,MPI_STATUS_IGNORE); */
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*completed = ompi_req->req_complete;
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if (*completed){
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ompi_request_free(&ompi_req);
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request->status = HCOLRTE_REQUEST_DONE;
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}
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return HCOLL_SUCCESS;
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}
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static int ec_handle_compare( rte_ec_handle_t handle_1 ,
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rte_grp_handle_t
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group_handle_1 ,
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rte_ec_handle_t handle_2 ,
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rte_grp_handle_t
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group_handle_2 )
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{
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return handle_1.handle == handle_2.handle;
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}
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static int get_ec_handles( int num_ec ,
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int * ec_indexes ,
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rte_grp_handle_t grp_h,
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rte_ec_handle_t * ec_handles )
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{
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int i;
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ompi_communicator_t *comm = (ompi_communicator_t *)grp_h;
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for (i=0; i<num_ec; i++){
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ompi_proc_t *proc = ompi_comm_peer_lookup(comm,ec_indexes[i]);
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ec_handles[i].rank = ec_indexes[i];
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ec_handles[i].handle = (void *)proc;
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}
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return HCOLL_SUCCESS;
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}
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static int get_my_ec ( rte_grp_handle_t grp_h, rte_ec_handle_t *ec_handle)
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{
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ompi_communicator_t *comm = (ompi_communicator_t *)grp_h;
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int my_rank = ompi_comm_rank(comm);
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ompi_proc_t *my_proc = ompi_comm_peer_lookup(comm,my_rank);
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ec_handle->handle = (void *)my_proc;
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ec_handle->rank = my_rank;
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return HCOLL_SUCCESS;
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}
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static int group_size ( rte_grp_handle_t grp_h )
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{
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return ompi_comm_size((ompi_communicator_t *)grp_h);
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}
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static int my_rank (rte_grp_handle_t grp_h )
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{
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return ompi_comm_rank((ompi_communicator_t *)grp_h);
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}
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static int ec_on_local_node (rte_ec_handle_t ec, rte_grp_handle_t group){
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ompi_proc_t *proc = (ompi_proc_t *)ec.handle;
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return OPAL_PROC_ON_LOCAL_NODE(proc->proc_flags);
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}
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static rte_grp_handle_t get_world_group_handle(void)
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{
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return (rte_grp_handle_t)&ompi_mpi_comm_world.comm;
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}
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static uint32_t jobid(void){
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return ORTE_PROC_MY_NAME->jobid;
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}
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static int group_id(rte_grp_handle_t group){
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return ((ompi_communicator_t *)group)->c_contextid;
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}
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static int
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request_free(struct ompi_request_t **ompi_req)
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{
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ompi_request_t *req = *ompi_req;
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if (!coll_handle_test(req)) {
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return OMPI_ERROR;
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}
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coll_handle_free(req);
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*ompi_req = &ompi_request_empty;
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return OMPI_SUCCESS;
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}
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static void* get_coll_handle(void)
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{
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ompi_request_t *ompi_req;
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ompi_free_list_item_t *item;
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OMPI_FREE_LIST_WAIT_MT(&(mca_coll_hcoll_component.requests),item);
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if (OPAL_UNLIKELY(NULL == item)) {
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HCOL_ERROR("Wait for free list failed.\n");
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return NULL;
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}
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ompi_req = (ompi_request_t *)item;
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OMPI_REQUEST_INIT(ompi_req,false);
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ompi_req->req_complete_cb = NULL;
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ompi_req->req_status.MPI_ERROR = MPI_SUCCESS;
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ompi_req->req_free = request_free;
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return (void *)ompi_req;
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}
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static int coll_handle_test(void* handle)
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{
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ompi_request_t *ompi_req = (ompi_request_t *)handle;
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return ompi_req->req_complete;
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}
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static void coll_handle_free(void *handle){
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ompi_request_t *ompi_req = (ompi_request_t *)handle;
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OMPI_FREE_LIST_RETURN_MT(&mca_coll_hcoll_component.requests,
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(ompi_free_list_item_t *)ompi_req);
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}
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static void coll_handle_complete(void *handle)
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{
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ompi_request_t *ompi_req = (ompi_request_t *)handle;
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ompi_request_complete(ompi_req,true);
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}
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static int world_rank(rte_grp_handle_t grp_h, rte_ec_handle_t ec){
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ompi_proc_t *proc = (ompi_proc_t *)ec.handle;
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return proc->proc_name.vpid;
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}
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