236 строки
8.5 KiB
C
236 строки
8.5 KiB
C
/*
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* Copyright (c) 2004-2006 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2007 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#ifndef MTL_PORTALS_H_HAS_BEEN_INCLUDED
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#define MTL_PORTALS_H_HAS_BEEN_INCLUDED
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#include "opal/threads/threads.h"
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#include "opal/threads/condition.h"
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#include "opal/class/opal_list.h"
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#include "ompi/class/ompi_free_list.h"
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#include "opal/util/cmd_line.h"
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#include "ompi/request/request.h"
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#include "ompi/mca/mtl/mtl.h"
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#include "ompi/mca/mtl/base/base.h"
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#include "ompi/datatype/datatype.h"
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#include "ompi/datatype/convertor.h"
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#include "ompi/mca/common/portals/common_portals.h"
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#if defined(c_plusplus) || defined(__cplusplus)
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extern "C" {
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#endif
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struct mca_mtl_portals_module_t {
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mca_mtl_base_module_t base;
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ptl_handle_ni_t ptl_ni_h;
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size_t eager_limit;
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ptl_handle_eq_t ptl_eq_h;
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ptl_handle_eq_t ptl_unex_eq_h;
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/* long unex msgs - insert posted recvs before this */
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ptl_handle_me_t ptl_unex_long_me_h;
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/* send catchall - insert short unex buffers before this */
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ptl_handle_me_t ptl_send_catchall_me_h;
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/* catchall for ack portal */
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ptl_handle_me_t ptl_ack_catchall_me_h;
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/* catchall for read portal */
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ptl_handle_me_t ptl_read_catchall_me_h;
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/* for zero-length sends and acks */
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ptl_handle_md_t ptl_zero_md_h;
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ompi_free_list_t event_fl;
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int ptl_recv_short_mds_num;
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int ptl_recv_short_mds_size;
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opal_list_t ptl_recv_short_blocks;
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opal_list_t unexpected_messages;
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int ptl_expected_queue_size;
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int ptl_unexpected_queue_size;
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/* for send-side copy blocks */
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ptl_md_t ptl_short_md;
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ptl_handle_md_t ptl_short_md_h;
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int ptl_num_copy_blocks;
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int ptl_copy_block_len;
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int *ptl_copy_block_free_list;
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int ptl_copy_block_first_free;
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/* empty event queue for PtlMEMDPost() */
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ptl_handle_eq_t ptl_empty_eq_h;
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/* turn off aggressive polling of the unex msg event queue */
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bool ptl_aggressive_polling;
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/* use rendezvous for long messages */
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bool ptl_use_rendezvous;
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};
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typedef struct mca_mtl_portals_module_t mca_mtl_portals_module_t;
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extern mca_mtl_portals_module_t ompi_mtl_portals;
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OMPI_DECLSPEC mca_mtl_base_component_1_0_0_t mca_mtl_portals_component;
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struct ompi_mtl_portals_event_t {
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struct ompi_free_list_item_t super;
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ptl_event_t ev;
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bool is_complete;
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};
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typedef struct ompi_mtl_portals_event_t ompi_mtl_portals_event_t;
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OBJ_CLASS_DECLARATION(ompi_mtl_portals_event_t);
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/* match/ignore bit manipulation
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*
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* 0123 4567 01234567 01234567 01234567 01234567 01234567 01234567 01234567
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* | | |
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* ^ | context id | source | message tag
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* | | | |
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* +---- protocol
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*/
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#define PTL_PROTOCOL_MASK 0xF000000000000000ULL
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#define PTL_CONTEXT_MASK 0x0FFF000000000000ULL
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#define PTL_SOURCE_MASK 0x0000FFFF00000000ULL
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#define PTL_TAG_MASK 0x00000000FFFFFFFFULL
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#define PTL_PROTOCOL_IGNR PTL_PROTOCOL_MASK
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#define PTL_CONTEXT_IGNR PTL_CONTEXT_MASK
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#define PTL_SOURCE_IGNR PTL_SOURCE_MASK
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#define PTL_TAG_IGNR 0x000000007FFFFFFFULL
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#define PTL_SHORT_MSG 0x1000000000000000ULL
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#define PTL_LONG_MSG 0x2000000000000000ULL
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#define PTL_READY_MSG 0x4000000000000000ULL
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/* send posting */
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#define PTL_SET_SEND_BITS(match_bits, contextid, source, tag, type) \
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{ \
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match_bits = contextid; \
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match_bits = (match_bits << 16); \
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match_bits |= source; \
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match_bits = (match_bits << 32); \
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match_bits |= (PTL_TAG_MASK & tag) | type; \
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}
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/* receive posting */
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#define PTL_SET_RECV_BITS(match_bits, ignore_bits, contextid, source, tag) \
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{ \
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match_bits = 0; \
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ignore_bits = PTL_PROTOCOL_IGNR; \
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\
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match_bits = contextid; \
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match_bits = (match_bits << 16); \
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\
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if (MPI_ANY_SOURCE == source) { \
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match_bits = (match_bits << 32); \
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ignore_bits |= PTL_SOURCE_IGNR; \
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} else { \
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match_bits |= source; \
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match_bits = (match_bits << 32); \
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} \
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\
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if (MPI_ANY_TAG == tag) { \
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ignore_bits |= PTL_TAG_IGNR; \
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} else { \
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match_bits |= (PTL_TAG_MASK & tag); \
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} \
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}
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#define PTL_IS_SHORT_MSG(match_bits) \
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(0 != (PTL_SHORT_MSG & match_bits))
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#define PTL_IS_LONG_MSG(match_bits) \
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(0 != (PTL_LONG_MSG & match_bits))
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#define PTL_IS_READY_MSG(match_bits) \
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(0 != (PTL_READY_MSG & match_bits))
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#define PTL_IS_SYNC_MSG(event) \
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(0 != event.hdr_data)
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#define PTL_GET_TAG(match_bits) ((int)(match_bits & PTL_TAG_MASK))
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#define PTL_GET_SOURCE(match_bits) ((int)((match_bits & PTL_SOURCE_MASK) >> 32))
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/* MTL interface functions */
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extern int ompi_mtl_portals_finalize(struct mca_mtl_base_module_t *mtl);
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extern int ompi_mtl_portals_add_procs(struct mca_mtl_base_module_t* mtl,
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size_t nprocs,
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struct ompi_proc_t** procs,
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struct mca_mtl_base_endpoint_t **mtl_peer_data);
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extern int ompi_mtl_portals_del_procs(struct mca_mtl_base_module_t* mtl,
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size_t nprocs,
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struct ompi_proc_t** procs,
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struct mca_mtl_base_endpoint_t **mtl_peer_data);
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extern int ompi_mtl_portals_send(struct mca_mtl_base_module_t* mtl,
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struct ompi_communicator_t* comm,
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int dest,
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int tag,
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struct ompi_convertor_t *convertor,
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mca_pml_base_send_mode_t mode);
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extern int ompi_mtl_portals_isend(struct mca_mtl_base_module_t* mtl,
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struct ompi_communicator_t* comm,
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int dest,
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int tag,
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struct ompi_convertor_t *convertor,
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mca_pml_base_send_mode_t mode,
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bool blocking,
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mca_mtl_request_t *mtl_request);
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extern int ompi_mtl_portals_irecv(struct mca_mtl_base_module_t* mtl,
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struct ompi_communicator_t *comm,
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int src,
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int tag,
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struct ompi_convertor_t *convertor,
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mca_mtl_request_t *mtl_request);
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extern int ompi_mtl_portals_iprobe(struct mca_mtl_base_module_t* mtl,
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struct ompi_communicator_t *comm,
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int src,
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int tag,
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int *flag,
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struct ompi_status_public_t *status);
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extern int ompi_mtl_portals_cancel(struct mca_mtl_base_module_t* mtl,
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mca_mtl_request_t *mtl_request,
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int flag);
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extern int ompi_mtl_portals_progress(void);
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#if defined(c_plusplus) || defined(__cplusplus)
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}
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#endif
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#endif /* MTL_PORTALS_H_HAS_BEEN_INCLUDED */
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