38b0d22243
* Remove unused declaration
* remove unused variable warning when not using progress threads
* If we're using progress threads, we want to lock, not trylock
when in progress, since it was called from the wakeup thread
and not the progress function
This commit was SVN r14739.
255 строки
8.9 KiB
C
255 строки
8.9 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University.
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* All rights reserved.
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* Copyright (c) 2004-2006 The Trustees of the University of Tennessee.
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* All rights 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 (c) 2007 Los Alamos National Security, LLC. 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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#ifndef OMPI_OSC_PT2PT_H
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#define OMPI_OSC_PT2PT_H
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#include "opal/class/opal_list.h"
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#include "opal/class/opal_free_list.h"
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#include "opal/class/opal_hash_table.h"
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#include "ompi/win/win.h"
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#include "ompi/communicator/communicator.h"
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#include "ompi/request/request.h"
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#include "ompi/mca/osc/osc.h"
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BEGIN_C_DECLS
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#define CONTROL_MSG_TAG (-200)
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struct ompi_osc_pt2pt_component_t {
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/** Extend the basic osc component interface */
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ompi_osc_base_component_t super;
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/** store the state of progress threads for this instance of OMPI */
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bool p2p_c_have_progress_threads;
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/** lock access to datastructures in the component structure */
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opal_mutex_t p2p_c_lock;
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/** List of active modules (windows) */
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opal_hash_table_t p2p_c_modules;
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/** max size of eager message */
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size_t p2p_c_eager_size;
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/** Lock for request management */
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opal_mutex_t p2p_c_request_lock;
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/** Condition variable for request management */
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opal_condition_t p2p_c_request_cond;
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/** free list of ompi_osc_pt2pt_sendreq_t structures */
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opal_free_list_t p2p_c_sendreqs;
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/** free list of ompi_osc_pt2pt_replyreq_t structures */
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opal_free_list_t p2p_c_replyreqs;
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/** free list of ompi_osc_pt2pt_longreq_t structures */
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opal_free_list_t p2p_c_longreqs;
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/** free list for eager / control meessages */
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opal_free_list_t p2p_c_buffers;
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/** list of outstanding requests, of type ompi_osc_pt2pt_mpireq_t */
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opal_list_t p2p_c_pending_requests;
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#if OMPI_ENABLE_PROGRESS_THREADS
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opal_thread_t p2p_c_thread;
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bool p2p_c_thread_run;
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#endif
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};
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typedef struct ompi_osc_pt2pt_component_t ompi_osc_pt2pt_component_t;
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struct ompi_osc_pt2pt_module_t {
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/** Extend the basic osc module interface */
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ompi_osc_base_module_t super;
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/** lock access to data structures in the current module */
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opal_mutex_t p2p_lock;
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/** condition variable for access to current module */
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opal_condition_t p2p_cond;
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/** lock for "atomic" window updates from reductions */
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opal_mutex_t p2p_acc_lock;
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/** pointer back to window */
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ompi_win_t *p2p_win;
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/** communicator created with this window */
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ompi_communicator_t *p2p_comm;
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/** list of ompi_osc_pt2pt_sendreq_t structures, and includes all
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requests for this access epoch that have not already been
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started. p2p_lock must be held when modifying this field. */
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opal_list_t p2p_pending_sendreqs;
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/** list of unsigned int counters for the number of requests to a
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particular rank in p2p_comm for this access epoc. p2p_lock
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must be held when modifying this field */
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unsigned int *p2p_num_pending_sendreqs;
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/** For MPI_Fence synchronization, the number of messages to send
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in epoch. For Start/Complete, the number of updates for this
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Complete. For lock, the number of
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messages waiting for completion on on the origin side. Not
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protected by p2p_lock - must use atomic counter operations. */
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int32_t p2p_num_pending_out;
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/** For MPI_Fence synchronization, the number of expected incoming
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messages. For Post/Wait, the number of expected updates from
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complete. For lock, the number of messages on the passive side
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we are waiting for. Not protected by p2p_lock - must use
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atomic counter operations. */
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int32_t p2p_num_pending_in;
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/** Number of "ping" messages from the remote post group we've
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received */
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int32_t p2p_num_post_msgs;
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/** Number of "count" messages from the remote complete group
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we've received */
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int32_t p2p_num_complete_msgs;
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/** cyclic counter for a unique tag for long messages. Not
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protected by the p2p_lock - must use create_send_tag() to
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create a send tag */
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volatile int32_t p2p_tag_counter;
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opal_list_t p2p_copy_pending_sendreqs;
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unsigned int *p2p_copy_num_pending_sendreqs;
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/* ********************* FENCE data ************************ */
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/* an array of <sizeof(p2p_comm)> ints, each containing the value
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1. */
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int *p2p_fence_coll_counts;
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/* ********************* PWSC data ************************ */
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struct ompi_group_t *p2p_pw_group;
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struct ompi_group_t *p2p_sc_group;
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bool *p2p_sc_remote_active_ranks;
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int *p2p_sc_remote_ranks;
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/* ********************* LOCK data ************************ */
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int32_t p2p_lock_status; /* one of 0, MPI_LOCK_EXCLUSIVE, MPI_LOCK_SHARED */
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int32_t p2p_shared_count;
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opal_list_t p2p_locks_pending;
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opal_list_t p2p_unlocks_pending;
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int32_t p2p_lock_received_ack;
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};
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typedef struct ompi_osc_pt2pt_module_t ompi_osc_pt2pt_module_t;
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OMPI_MODULE_DECLSPEC extern ompi_osc_pt2pt_component_t mca_osc_pt2pt_component;
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/**
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* Helper macro for grabbing the module structure from a window instance
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*/
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#define P2P_MODULE(win) ((ompi_osc_pt2pt_module_t*) win->w_osc_module)
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/*
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* Component functions
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*/
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int ompi_osc_pt2pt_component_init(bool enable_progress_threads,
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bool enable_mpi_threads);
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int ompi_osc_pt2pt_component_finalize(void);
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int ompi_osc_pt2pt_component_query(struct ompi_win_t *win,
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struct ompi_info_t *info,
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struct ompi_communicator_t *comm);
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int ompi_osc_pt2pt_component_select(struct ompi_win_t *win,
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struct ompi_info_t *info,
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struct ompi_communicator_t *comm);
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int ompi_osc_pt2pt_component_progress(void);
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/*
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* Module interface function types
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*/
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int ompi_osc_pt2pt_module_free(struct ompi_win_t *win);
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int ompi_osc_pt2pt_module_put(void *origin_addr,
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int origin_count,
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struct ompi_datatype_t *origin_dt,
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int target,
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int target_disp,
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int target_count,
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struct ompi_datatype_t *target_dt,
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struct ompi_win_t *win);
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int ompi_osc_pt2pt_module_accumulate(void *origin_addr,
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int origin_count,
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struct ompi_datatype_t *origin_dt,
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int target,
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int target_disp,
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int target_count,
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struct ompi_datatype_t *target_dt,
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struct ompi_op_t *op,
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struct ompi_win_t *win);
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int ompi_osc_pt2pt_module_get(void *origin_addr,
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int origin_count,
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struct ompi_datatype_t *origin_dt,
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int target,
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int target_disp,
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int target_count,
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struct ompi_datatype_t *target_dt,
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struct ompi_win_t *win);
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int ompi_osc_pt2pt_module_fence(int assert, struct ompi_win_t *win);
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int ompi_osc_pt2pt_module_start(struct ompi_group_t *group,
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int assert,
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struct ompi_win_t *win);
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int ompi_osc_pt2pt_module_complete(struct ompi_win_t *win);
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int ompi_osc_pt2pt_module_post(struct ompi_group_t *group,
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int assert,
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struct ompi_win_t *win);
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int ompi_osc_pt2pt_module_wait(struct ompi_win_t *win);
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int ompi_osc_pt2pt_module_test(struct ompi_win_t *win,
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int *flag);
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int ompi_osc_pt2pt_module_lock(int lock_type,
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int target,
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int assert,
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struct ompi_win_t *win);
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int ompi_osc_pt2pt_module_unlock(int target,
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struct ompi_win_t *win);
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/*
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* passive side sync interface functions
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*/
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int ompi_osc_pt2pt_passive_lock(ompi_osc_pt2pt_module_t *module,
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int32_t origin,
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int32_t lock_type);
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int ompi_osc_pt2pt_passive_unlock(ompi_osc_pt2pt_module_t *module,
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int32_t origin,
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int32_t count);
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int ompi_osc_pt2pt_passive_unlock_complete(ompi_osc_pt2pt_module_t *module);
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END_C_DECLS
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#endif /* OMPI_OSC_PT2PT_H */
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