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openmpi/ompi/mca/mtl/mx/mtl_mx.h
Galen Shipman fe480cd003 change mask bits and don't call convertor if we received directly into the
user buffer.. 

This commit was SVN r10665.
2006-07-05 21:10:09 +00:00

182 строки
7.2 KiB
C

/*
* Copyright (c) 2004-2006 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2006 The Regents of the University of California.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#ifndef MTL_MX_H_HAS_BEEN_INCLUDED
#define MTL_MX_H_HAS_BEEN_INCLUDED
#include "opal/threads/threads.h"
#include "opal/threads/condition.h"
#include "ompi/class/ompi_free_list.h"
#include "opal/util/cmd_line.h"
#include "ompi/request/request.h"
#include "ompi/mca/mtl/mtl.h"
#include "ompi/mca/mtl/base/base.h"
#include "ompi/datatype/datatype.h"
#include "ompi/datatype/convertor.h"
#include "mtl_mx_endpoint.h"
#include "myriexpress.h"
#if defined(c_plusplus) || defined(__cplusplus)
extern "C" {
#endif
/* MTL interface functions */
extern int ompi_mtl_mx_add_procs(struct mca_mtl_base_module_t* mtl,
size_t nprocs,
struct ompi_proc_t** procs,
struct mca_mtl_base_endpoint_t **mtl_peer_data);
extern int ompi_mtl_mx_del_procs(struct mca_mtl_base_module_t* mtl,
size_t nprocs,
struct ompi_proc_t** procs,
struct mca_mtl_base_endpoint_t **mtl_peer_data);
extern int ompi_mtl_mx_isend(struct mca_mtl_base_module_t* mtl,
struct ompi_communicator_t* comm,
int dest,
int tag,
struct ompi_convertor_t *convertor,
mca_pml_base_send_mode_t mode,
bool blocking,
mca_mtl_request_t * mtl_request);
extern int ompi_mtl_mx_irecv(struct mca_mtl_base_module_t* mtl,
struct ompi_communicator_t *comm,
int src,
int tag,
struct ompi_convertor_t *convertor,
struct mca_mtl_request_t *mtl_request);
extern int ompi_mtl_mx_iprobe(struct mca_mtl_base_module_t* mtl,
struct ompi_communicator_t *comm,
int src,
int tag,
int *flag,
struct ompi_status_public_t *status);
extern int ompi_mtl_mx_cancel(struct mca_mtl_base_module_t* mtl,
struct mca_mtl_request_t *mtl_request,
int flag);
extern int ompi_mtl_mx_finalize(struct mca_mtl_base_module_t* mtl);
int ompi_mtl_mx_module_init(void);
/**
* MTL Module Interface
*/
struct mca_mtl_mx_module_t {
mca_mtl_base_module_t super; /**< base MTL interface */
int32_t mx_unexp_queue_max; /**< maximium size of the MX unexpected message queue */
int32_t mx_filter; /**< user assigned value used to filter incomming messages */
int32_t mx_timeout;
int32_t mx_retries;
int32_t mx_support_sharedmem;
mx_endpoint_t mx_endpoint; /**< mx data structure for local endpoint */
mx_endpoint_addr_t mx_endpoint_addr; /**< mx data structure for local endpoint address */
mca_mtl_mx_addr_t mx_addr;
};
typedef struct mca_mtl_mx_module_t mca_mtl_mx_module_t;
extern mca_mtl_mx_module_t ompi_mtl_mx;
struct mca_mtl_mx_component_t{
mca_mtl_base_component_1_0_0_t super; /**< base MTL component */
};
typedef struct mca_mtl_mx_component_t mca_mtl_mx_component_t;
extern mca_mtl_mx_component_t mca_mtl_mx_component;
/* match/ignore bit manipulation
*
* 01234567 01234567 01234567 01234567 01234567 01234567 01234567 01234567
* | |
* context id | source | message tag
* | |
*/
#define MX_SOURCE_MASK 0x0000FFFF00000000
#define MX_TAG_MASK 0x00000000FFFFFFFF
#define MX_SOURCE_IGNR ~MX_SOURCE_MASK
/* we need to keep top bit (sign bit) of the tag
collectives use this to distinguish the message */
#define MX_TAG_IGNR 0xFFFFFFFF80000000
/* get the tag from the bits */
#define MX_GET_TAG(match_bits, tag) \
{ \
tag = (int) (match_bits & MX_TAG_MASK); \
}
/* get the tag from the bits */
#define MX_GET_SRC(match_bits, src) \
{ \
src = (int) ((match_bits & MX_SOURCE_MASK) >> 32); \
}
/* send posting */
#define MX_SET_SEND_BITS(match_bits, contextid, source, tag) \
{ \
match_bits = contextid; \
match_bits = (match_bits << 16); \
match_bits |= source; \
match_bits = (match_bits << 32); \
match_bits |= (MX_TAG_MASK & tag); \
}
/* receive posting */
#define MX_SET_RECV_BITS(match_bits, mask_bits, contextid, source, tag) \
{ \
match_bits = 0; \
mask_bits = ~match_bits; \
match_bits = contextid; \
match_bits = (match_bits << 16); \
\
if (MPI_ANY_SOURCE == source) { \
match_bits = (match_bits << 32); \
mask_bits &= MX_SOURCE_IGNR; \
} else { \
match_bits |= source; \
match_bits = (match_bits << 32); \
} \
\
if (MPI_ANY_TAG == tag) { \
mask_bits &= MX_TAG_IGNR; \
} else { \
match_bits |= (MX_TAG_MASK & tag); \
} \
\
mask_bits = mask_bits; \
}
#if defined(c_plusplus) || defined(__cplusplus)
}
#endif
#endif /* MTL_MX_H_HAS_BEEN_INCLUDED */