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openmpi/ompi/mca/pml/ob1/pml_ob1.h
Tim Woodall 95bf77fc8d corrections for rdma pipeline
This commit was SVN r6926.
2005-08-18 17:06:35 +00:00

272 строки
6.4 KiB
C

/*
* Copyright (c) 2004-2005 The Trustees of Indiana University.
* All rights reserved.
* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
* All rights reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
/**
* @file
*/
#ifndef MCA_PML_OB1_H
#define MCA_PML_OB1_H
#include "ompi_config.h"
#include "opal/threads/threads.h"
#include "opal/threads/condition.h"
#include "class/ompi_free_list.h"
#include "opal/util/cmd_line.h"
#include "request/request.h"
#include "mca/pml/pml.h"
#include "mca/pml/base/pml_base_request.h"
#include "mca/pml/base/pml_base_bsend.h"
#include "mca/pml/base/pml_base_sendreq.h"
#include "mca/btl/btl.h"
#include "ompi/datatype/datatype.h"
#if defined(c_plusplus) || defined(__cplusplus)
extern "C" {
#endif
/**
* OB1 PML module
*/
struct mca_pml_ob1_t {
mca_pml_base_module_t super;
int priority;
int free_list_num; /* initial size of free list */
int free_list_max; /* maximum size of free list */
int free_list_inc; /* number of elements to grow free list */
size_t eager_limit; /* maximum eager limit size - overrides btl setting */
size_t send_pipeline_depth;
size_t recv_pipeline_depth;
bool leave_pinned;
/* lock queue access */
opal_mutex_t lock;
/* free lists */
ompi_free_list_t send_requests;
ompi_free_list_t recv_requests;
ompi_free_list_t rdma_frags;
ompi_free_list_t recv_frags;
ompi_free_list_t buffers;
/* list of pending operations */
opal_list_t acks_pending;
opal_list_t send_pending;
opal_list_t recv_pending;
opal_list_t rdma_pending;
bool enabled;
};
typedef struct mca_pml_ob1_t mca_pml_ob1_t;
extern mca_pml_ob1_t mca_pml_ob1;
/*
* PML module functions.
*/
extern int mca_pml_ob1_component_open(void);
extern int mca_pml_ob1_component_close(void);
extern mca_pml_base_module_t* mca_pml_ob1_component_init(
int *priority,
bool enable_progress_threads,
bool enable_mpi_threads
);
extern int mca_pml_ob1_component_fini(void);
/*
* PML interface functions.
*/
extern int mca_pml_ob1_add_comm(
struct ompi_communicator_t* comm
);
extern int mca_pml_ob1_del_comm(
struct ompi_communicator_t* comm
);
extern int mca_pml_ob1_add_procs(
struct ompi_proc_t **procs,
size_t nprocs
);
extern int mca_pml_ob1_del_procs(
struct ompi_proc_t **procs,
size_t nprocs
);
extern int mca_pml_ob1_enable(
bool enable
);
extern int mca_pml_ob1_progress(void);
extern int mca_pml_ob1_iprobe(
int dst,
int tag,
struct ompi_communicator_t* comm,
int *matched,
ompi_status_public_t* status
);
extern int mca_pml_ob1_probe(
int dst,
int tag,
struct ompi_communicator_t* comm,
ompi_status_public_t* status
);
extern int mca_pml_ob1_isend_init(
void *buf,
size_t count,
ompi_datatype_t *datatype,
int dst,
int tag,
mca_pml_base_send_mode_t mode,
struct ompi_communicator_t* comm,
struct ompi_request_t **request
);
extern int mca_pml_ob1_isend(
void *buf,
size_t count,
ompi_datatype_t *datatype,
int dst,
int tag,
mca_pml_base_send_mode_t mode,
struct ompi_communicator_t* comm,
struct ompi_request_t **request
);
extern int mca_pml_ob1_send(
void *buf,
size_t count,
ompi_datatype_t *datatype,
int dst,
int tag,
mca_pml_base_send_mode_t mode,
struct ompi_communicator_t* comm
);
extern int mca_pml_ob1_irecv_init(
void *buf,
size_t count,
ompi_datatype_t *datatype,
int src,
int tag,
struct ompi_communicator_t* comm,
struct ompi_request_t **request
);
extern int mca_pml_ob1_irecv(
void *buf,
size_t count,
ompi_datatype_t *datatype,
int src,
int tag,
struct ompi_communicator_t* comm,
struct ompi_request_t **request
);
extern int mca_pml_ob1_recv(
void *buf,
size_t count,
ompi_datatype_t *datatype,
int src,
int tag,
struct ompi_communicator_t* comm,
ompi_status_public_t* status
);
extern int mca_pml_ob1_progress(void);
extern int mca_pml_ob1_start(
size_t count,
ompi_request_t** requests
);
#if defined(c_plusplus) || defined(__cplusplus)
}
#endif
#define MCA_PML_OB1_FINI(request) \
{ \
mca_pml_base_request_t* pml_request = *(mca_pml_base_request_t**)(request); \
if(pml_request->req_persistent) { \
if(pml_request->req_free_called) { \
MCA_PML_OB1_FREE(request); \
} else { \
pml_request->req_ompi.req_state = OMPI_REQUEST_INACTIVE; \
} \
} else { \
MCA_PML_OB1_FREE(request); \
} \
}
#define MCA_PML_OB1_FREE(request) \
{ \
mca_pml_base_request_t* pml_request = *(mca_pml_base_request_t**)(request); \
pml_request->req_free_called = true; \
if( pml_request->req_pml_complete == true) \
{ \
switch(pml_request->req_type) { \
case MCA_PML_REQUEST_SEND: \
{ \
mca_pml_ob1_send_request_t* sendreq = (mca_pml_ob1_send_request_t*)pml_request; \
if(sendreq->req_send.req_send_mode == MCA_PML_BASE_SEND_BUFFERED) { \
mca_pml_base_bsend_request_fini((ompi_request_t*)sendreq); \
} \
MCA_PML_OB1_SEND_REQUEST_RETURN(sendreq); \
break; \
} \
case MCA_PML_REQUEST_RECV: \
{ \
mca_pml_ob1_recv_request_t* recvreq = (mca_pml_ob1_recv_request_t*)pml_request; \
MCA_PML_OB1_RECV_REQUEST_RETURN(recvreq); \
break; \
} \
default: \
break; \
} \
} \
*(request) = MPI_REQUEST_NULL; \
}
#define MCA_PML_OB1_DES_ALLOC(bml_btl, des, size) \
MCA_BML_BASE_BTL_DES_ALLOC(bml_btl, des, \
sizeof(mca_pml_ob1_hdr_t) + (sizeof(mca_btl_base_segment_t) << 4), size)
#define MCA_PML_OB1_TIMESTAMPS 0
#if MCA_PML_OB1_TIMESTAMPS
#define MCA_PML_OB1_NUM_TSTAMPS 256
static inline unsigned long long get_profiler_timestamp(void)
{
register unsigned long long __res;
asm volatile ("rdtsc" : "=A"(__res));
return __res;
}
#endif
#endif