84 строки
2.6 KiB
C
84 строки
2.6 KiB
C
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/*
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* Copyright (c) 2004-2005 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) 2004-2006 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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/**
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* @file
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*/
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#ifndef MCA_PML_OB1_COMM_H
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#define MCA_PML_OB1_COMM_H
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#include "opal/threads/mutex.h"
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#include "opal/class/opal_list.h"
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#include "ompi/proc/proc.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_pml_csum_comm_proc_t {
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opal_object_t super;
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uint16_t expected_sequence; /**< send message sequence number - receiver side */
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struct ompi_proc_t* ompi_proc;
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#if OMPI_HAVE_THREAD_SUPPORT
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volatile int32_t send_sequence; /**< send side sequence number */
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#else
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int32_t send_sequence; /**< send side sequence number */
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#endif
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opal_list_t frags_cant_match; /**< out-of-order fragment queues */
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opal_list_t specific_receives; /**< queues of unmatched specific receives */
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opal_list_t unexpected_frags; /**< unexpected fragment queues */
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};
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typedef struct mca_pml_csum_comm_proc_t mca_pml_csum_comm_proc_t;
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/**
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* Cached on ompi_communicator_t to hold queues/state
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* used by the PML<->PTL interface for matching logic.
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*/
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struct mca_pml_comm_t {
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opal_object_t super;
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#if OMPI_HAVE_THREAD_SUPPORT
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volatile uint32_t recv_sequence; /**< recv request sequence number - receiver side */
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#else
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uint32_t recv_sequence; /**< recv request sequence number - receiver side */
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#endif
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opal_mutex_t matching_lock; /**< matching lock */
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opal_list_t wild_receives; /**< queue of unmatched wild (source process not specified) receives */
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mca_pml_csum_comm_proc_t* procs;
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size_t num_procs;
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};
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typedef struct mca_pml_comm_t mca_pml_csum_comm_t;
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OBJ_CLASS_DECLARATION(mca_pml_csum_comm_t);
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/**
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* Initialize an instance of mca_pml_csum_comm_t based on the communicator size.
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*
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* @param comm Instance of mca_pml_csum_comm_t
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* @param size Size of communicator
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* @return OMPI_SUCCESS or error status on failure.
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*/
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extern int mca_pml_csum_comm_init_size(mca_pml_csum_comm_t* comm, size_t size);
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#if defined(c_plusplus) || defined(__cplusplus)
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}
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#endif
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#endif
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