dd6fa1da2a
a particular peer. Will now fail during MPI_INIT. Printing of the error messages about no endpoints can be turned off. This commit was SVN r11181.
633 строки
23 KiB
C
633 строки
23 KiB
C
/*
|
|
* Copyright (c) 2004-2005 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
|
|
*
|
|
* $HEADER$
|
|
*/
|
|
/**
|
|
* @file
|
|
*
|
|
* BML Management Layer (BML)
|
|
*
|
|
*/
|
|
|
|
#ifndef MCA_BML_H
|
|
#define MCA_BML_H
|
|
|
|
#include "opal/mca/mca.h"
|
|
#include "ompi/mca/btl/btl.h"
|
|
|
|
#include "ompi/mca/bml/base/bml_base_btl.h"
|
|
#include "ompi/mca/bml/base/bml_base_endpoint.h"
|
|
|
|
#include "ompi/types.h"
|
|
#include "ompi/class/ompi_free_list.h"
|
|
|
|
#define OMPI_ENABLE_DEBUG_RELIABILITY 0
|
|
|
|
/*
|
|
* BML types
|
|
*/
|
|
|
|
struct ompi_proc_t;
|
|
struct mca_bml_base_module_t;
|
|
struct mca_bml_base_endpoint_t;
|
|
struct mca_mpool_base_resources_t;
|
|
|
|
/*
|
|
* Cached set of information for each btl
|
|
*/
|
|
|
|
struct mca_bml_base_btl_t {
|
|
int btl_index; /**< index in endpoint array */
|
|
int btl_flags; /**< support for put/get? */
|
|
double btl_weight; /**< BTL weight for scheduling */
|
|
size_t btl_eager_limit; /**< BTL eager limit */
|
|
size_t btl_min_send_size; /**< BTL min send size */
|
|
size_t btl_max_send_size; /**< BTL max send size */
|
|
size_t btl_min_rdma_size; /**< BTL min rdma size */
|
|
size_t btl_max_rdma_size; /**< BTL max rdma size */
|
|
struct mca_btl_base_module_t *btl; /**< BTL module */
|
|
struct mca_btl_base_endpoint_t* btl_endpoint; /**< BTL addressing info */
|
|
struct mca_btl_base_descriptor_t* btl_cache;
|
|
|
|
/* BTL function table */
|
|
mca_btl_base_module_alloc_fn_t btl_alloc;
|
|
mca_btl_base_module_free_fn_t btl_free;
|
|
mca_btl_base_module_send_fn_t btl_send;
|
|
mca_btl_base_module_prepare_fn_t btl_prepare_src;
|
|
mca_btl_base_module_prepare_fn_t btl_prepare_dst;
|
|
mca_btl_base_module_put_fn_t btl_put;
|
|
mca_btl_base_module_get_fn_t btl_get;
|
|
mca_btl_base_component_progress_fn_t btl_progress;
|
|
|
|
mca_mpool_base_module_t* btl_mpool;
|
|
|
|
};
|
|
typedef struct mca_bml_base_btl_t mca_bml_base_btl_t;
|
|
|
|
|
|
|
|
/**
|
|
* A dynamically growable array of mca_bml_base_btl_t instances.
|
|
* Maintains an index into the array that is used for round-robin
|
|
* scheduling across contents.
|
|
*/
|
|
struct mca_bml_base_btl_array_t {
|
|
opal_object_t super;
|
|
size_t arr_size; /**< number available */
|
|
size_t arr_reserve; /**< size of allocated btl_proc array */
|
|
size_t arr_index; /**< last used index*/
|
|
mca_bml_base_btl_t* bml_btls; /**< array of bml btl's */
|
|
};
|
|
typedef struct mca_bml_base_btl_array_t mca_bml_base_btl_array_t;
|
|
|
|
OMPI_DECLSPEC OBJ_CLASS_DECLARATION(mca_bml_base_btl_array_t);
|
|
|
|
|
|
/**
|
|
* If required, reallocate (grow) the array to the indicate size.
|
|
*
|
|
* @param array (IN)
|
|
* @param size (IN)
|
|
*/
|
|
int mca_bml_base_btl_array_reserve(mca_bml_base_btl_array_t*, size_t);
|
|
|
|
static inline size_t mca_bml_base_btl_array_get_size(mca_bml_base_btl_array_t* array)
|
|
{
|
|
return array->arr_size;
|
|
}
|
|
|
|
/**
|
|
* Grow the array if required, and set the size.
|
|
*
|
|
* @param array (IN)
|
|
* @param size (IN)
|
|
*/
|
|
static inline void mca_bml_base_btl_array_set_size(mca_bml_base_btl_array_t* array, size_t size)
|
|
{
|
|
if(array->arr_size > array->arr_reserve)
|
|
mca_bml_base_btl_array_reserve(array, size);
|
|
array->arr_size = size;
|
|
}
|
|
|
|
/**
|
|
* Grow the array size by one and return the item at that index.
|
|
*
|
|
* @param array (IN)
|
|
*/
|
|
static inline mca_bml_base_btl_t* mca_bml_base_btl_array_insert(mca_bml_base_btl_array_t* array)
|
|
{
|
|
#if OMPI_ENABLE_DEBUG
|
|
if(array->arr_size >= array->arr_reserve) {
|
|
opal_output(0, "mca_bml_base_btl_array_insert: invalid array index %d >= %d",
|
|
array->arr_size, array->arr_reserve);
|
|
return 0;
|
|
}
|
|
#endif
|
|
return &array->bml_btls[array->arr_size++];
|
|
}
|
|
|
|
/**
|
|
* Remove a btl from a bml_btl
|
|
*
|
|
* @param array (IN)
|
|
* @param btl (IN)
|
|
*/
|
|
static inline bool mca_bml_base_btl_array_remove( mca_bml_base_btl_array_t* array,
|
|
struct mca_btl_base_module_t* btl )
|
|
{
|
|
size_t i = 0;
|
|
/* find the btl */
|
|
for( i = 0; i < array->arr_size; i++ ) {
|
|
if( array->bml_btls[i].btl == btl ) {
|
|
for( ; i < array->arr_size; i++ ) {
|
|
/* move all btl's back by 1, so the found
|
|
btl is "removed" */
|
|
array->bml_btls[i] = array->bml_btls[(i+1)];
|
|
}
|
|
array->arr_size--;
|
|
array->arr_index = 0;
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
/**
|
|
* Return an array item at the specified index.
|
|
*
|
|
* @param array (IN)
|
|
* @param index (IN)
|
|
*/
|
|
static inline mca_bml_base_btl_t* mca_bml_base_btl_array_get_index(mca_bml_base_btl_array_t* array, size_t index)
|
|
{
|
|
#if OMPI_ENABLE_DEBUG
|
|
if(index >= array->arr_size) {
|
|
opal_output(0, "mca_bml_base_btl_array_get_index: invalid array index %d >= %d",
|
|
index, array->arr_size);
|
|
return 0;
|
|
}
|
|
#endif
|
|
return &array->bml_btls[index];
|
|
}
|
|
|
|
/**
|
|
* Return the next LRU index in the array.
|
|
*
|
|
* @param array (IN)
|
|
* @param index (IN)
|
|
*/
|
|
static inline mca_bml_base_btl_t* mca_bml_base_btl_array_get_next(mca_bml_base_btl_array_t* array)
|
|
{
|
|
#if OMPI_ENABLE_DEBUG
|
|
if(array->arr_size == 0) {
|
|
opal_output(0, "mca_bml_base_btl_array_get_next: invalid array size");
|
|
return 0;
|
|
}
|
|
#endif
|
|
if( 1 == array->arr_size ) {
|
|
return &array->bml_btls[0]; /* force the return to avoid a jump */
|
|
} else {
|
|
uint32_t current_position = array->arr_index; /* force to always start from zero */
|
|
if( (current_position + 1) == array->arr_size ) {
|
|
array->arr_index = 0; /* next time serve from the beginning */
|
|
} else {
|
|
array->arr_index = current_position + 1; /* continue */
|
|
}
|
|
return &array->bml_btls[current_position];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Locate an element in the array
|
|
*
|
|
* @param array (IN)
|
|
* @param index (IN)
|
|
*/
|
|
static inline mca_bml_base_btl_t* mca_bml_base_btl_array_find(
|
|
mca_bml_base_btl_array_t* array, struct mca_btl_base_module_t* btl)
|
|
{
|
|
size_t i=0;
|
|
for(i=0; i<array->arr_size; i++) {
|
|
if(array->bml_btls[i].btl == btl) {
|
|
return &array->bml_btls[i];
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* Structure associated w/ ompi_proc_t that contains the set
|
|
* of BTLs used to reach a destination
|
|
*/
|
|
struct mca_bml_base_endpoint_t {
|
|
opal_list_item_t super; /**< base_endpoint is a list item */
|
|
struct ompi_proc_t* btl_proc; /**< backpointer to target ompi_proc_t */
|
|
size_t btl_rdma_offset; /**< max of min rdma size for available rmda btls */
|
|
size_t btl_max_send_size; /**< min of max send size for available send btls */
|
|
size_t btl_rdma_size; /**< max of min rdma size for available rmda btls */
|
|
size_t btl_rdma_align; /**< max of min rdma size for available rmda btls */
|
|
mca_bml_base_btl_array_t btl_eager; /**< array of btls to use for first fragments */
|
|
mca_bml_base_btl_array_t btl_send; /**< array of btls to use for remaining fragments */
|
|
mca_bml_base_btl_array_t btl_rdma; /**< array of btls that support (prefer) rdma */
|
|
uint32_t btl_flags_or; /**< the bitwise OR of the btl flags */
|
|
uint32_t btl_flags_and; /**< the bitwise AND of the btl flags */
|
|
};
|
|
typedef struct mca_bml_base_endpoint_t mca_bml_base_endpoint_t;
|
|
|
|
|
|
OMPI_COMP_EXPORT OBJ_CLASS_DECLARATION(mca_bml_base_endpoint_t);
|
|
|
|
static inline void mca_bml_base_alloc(mca_bml_base_btl_t* bml_btl, mca_btl_base_descriptor_t** des, size_t size) {
|
|
*des = bml_btl->btl_alloc(bml_btl->btl, size);
|
|
}
|
|
|
|
static inline void mca_bml_base_free(mca_bml_base_btl_t* bml_btl, mca_btl_base_descriptor_t* des) {
|
|
bml_btl->btl_free( bml_btl->btl, des );
|
|
/* The previous function is supposed to release the des object
|
|
* so we should not touch it anymore.
|
|
*/
|
|
}
|
|
|
|
#if OMPI_ENABLE_DEBUG_RELIABILITY
|
|
|
|
int mca_bml_base_send(
|
|
mca_bml_base_btl_t* bml_btl,
|
|
mca_btl_base_descriptor_t* des,
|
|
mca_btl_base_tag_t tag);
|
|
|
|
|
|
#else
|
|
|
|
static inline int mca_bml_base_send(
|
|
mca_bml_base_btl_t* bml_btl,
|
|
mca_btl_base_descriptor_t* des,
|
|
mca_btl_base_tag_t tag)
|
|
{
|
|
des->des_context = (void*) bml_btl;
|
|
return bml_btl->btl_send(
|
|
bml_btl->btl,
|
|
bml_btl->btl_endpoint,
|
|
des,
|
|
tag);
|
|
}
|
|
|
|
#endif
|
|
|
|
static inline int mca_bml_base_put(mca_bml_base_btl_t* bml_btl, mca_btl_base_descriptor_t* des) {
|
|
des->des_context = (void*) bml_btl;
|
|
return bml_btl->btl_put(
|
|
bml_btl->btl,
|
|
bml_btl->btl_endpoint,
|
|
des);
|
|
}
|
|
|
|
static inline int mca_bml_base_get(mca_bml_base_btl_t* bml_btl, mca_btl_base_descriptor_t* des) {
|
|
des->des_context = (void*) bml_btl;
|
|
return bml_btl->btl_get(
|
|
bml_btl->btl,
|
|
bml_btl->btl_endpoint,
|
|
des);
|
|
}
|
|
|
|
|
|
static inline void mca_bml_base_prepare_src(mca_bml_base_btl_t* bml_btl,
|
|
mca_mpool_base_registration_t* reg,
|
|
struct ompi_convertor_t* conv,
|
|
size_t reserve,
|
|
size_t *size,
|
|
mca_btl_base_descriptor_t** des) {
|
|
*des = bml_btl->btl_prepare_src(
|
|
bml_btl->btl,
|
|
bml_btl->btl_endpoint,
|
|
reg,
|
|
conv,
|
|
reserve,
|
|
size
|
|
);
|
|
if((*des) != NULL) {
|
|
(*des)->des_context = (void*) bml_btl;
|
|
}
|
|
}
|
|
|
|
static inline void mca_bml_base_prepare_dst(mca_bml_base_btl_t* bml_btl,
|
|
mca_mpool_base_registration_t* reg,
|
|
struct ompi_convertor_t* conv,
|
|
size_t reserve,
|
|
size_t *size,
|
|
mca_btl_base_descriptor_t** des) {
|
|
*des = bml_btl->btl_prepare_dst(
|
|
bml_btl->btl,
|
|
bml_btl->btl_endpoint,
|
|
reg,
|
|
conv,
|
|
reserve,
|
|
size
|
|
);
|
|
if((*des) != NULL) {
|
|
(*des)->des_context = (void*) bml_btl;
|
|
}
|
|
}
|
|
|
|
#if OMPI_HAVE_THREAD_SUPPORT
|
|
#define MCA_BML_BASE_BTL_DES_ALLOC(bml_btl, des, alloc_size, seg_size) \
|
|
do { \
|
|
if( NULL != (des = bml_btl->btl_cache) ) { \
|
|
/* atomically acquire the cached descriptor */ \
|
|
if(opal_atomic_cmpset_ptr(&bml_btl->btl_cache, \
|
|
des, NULL) == 0) { \
|
|
des = bml_btl->btl_alloc(bml_btl->btl, alloc_size); \
|
|
} \
|
|
} else { \
|
|
des = bml_btl->btl_alloc(bml_btl->btl, alloc_size); \
|
|
} \
|
|
if(des != NULL) { \
|
|
des->des_src->seg_len = seg_size; \
|
|
des->des_context = (void*) bml_btl; \
|
|
} \
|
|
} while(0)
|
|
#else
|
|
#define MCA_BML_BASE_BTL_DES_ALLOC(bml_btl, des, alloc_size, seg_size) \
|
|
do { \
|
|
if( NULL != (des = bml_btl->btl_cache) ) { \
|
|
bml_btl->btl_cache = NULL; \
|
|
} else { \
|
|
des = bml_btl->btl_alloc(bml_btl->btl, alloc_size); \
|
|
} \
|
|
if(des != NULL) { \
|
|
des->des_src->seg_len = seg_size; \
|
|
des->des_context = (void*) bml_btl; \
|
|
} \
|
|
} while(0)
|
|
#endif /* OMPI_HAVE_THREAD_SUPPORT */
|
|
|
|
/**
|
|
* Return a descriptor
|
|
*/
|
|
#if OMPI_HAVE_THREAD_SUPPORT
|
|
#define MCA_BML_BASE_BTL_DES_RETURN( bml_btl, descriptor ) \
|
|
do { \
|
|
if( opal_atomic_cmpset_ptr(&bml_btl->btl_cache, \
|
|
NULL,descriptor) == 0 ) { \
|
|
bml_btl->btl_free( bml_btl->btl, descriptor ); \
|
|
} \
|
|
} while (0)
|
|
#else
|
|
#define MCA_BML_BASE_BTL_DES_RETURN( bml_btl, descriptor ) \
|
|
do { \
|
|
if( NULL == bml_btl->btl_cache ) { \
|
|
bml_btl->btl_cache = descriptor; \
|
|
} else { \
|
|
bml_btl->btl_free( bml_btl->btl, descriptor ); \
|
|
} \
|
|
} while(0)
|
|
#endif /* OMPI_HAVE_THREAD_SUPPORT */
|
|
|
|
/*
|
|
* BML component interface functions and datatype.
|
|
*/
|
|
|
|
/**
|
|
* MCA->BML Initializes the BML component and creates specific BML
|
|
* module(s).
|
|
*
|
|
* @param num_bmls (OUT) Returns the number of bml modules created, or 0
|
|
* if the transport is not available.
|
|
*
|
|
* @param enable_progress_threads (IN) Whether this component is
|
|
* allowed to run a hidden/progress thread or not.
|
|
*
|
|
* @param enable_mpi_threads (IN) Whether support for multiple MPI
|
|
* threads is enabled or not (i.e., MPI_THREAD_MULTIPLE), which
|
|
* indicates whether multiple threads may invoke this component
|
|
* simultaneously or not.
|
|
*
|
|
* @return Array of pointers to BML modules, or NULL if the transport
|
|
* is not available.
|
|
*
|
|
* During component initialization, the BML component should discover
|
|
* the physical devices that are available for the given transport,
|
|
* and create a BML module to represent each device. Any addressing
|
|
* information required by peers to reach the device should be published
|
|
* during this function via the mca_base_modex_send() interface.
|
|
*
|
|
*/
|
|
|
|
typedef struct mca_bml_base_module_t* (*mca_bml_base_component_init_fn_t)(
|
|
int* priority,
|
|
bool enable_progress_threads,
|
|
bool enable_mpi_threads
|
|
);
|
|
|
|
/**
|
|
* MCA->BML Called to progress outstanding requests for
|
|
* non-threaded polling environments.
|
|
*
|
|
* @param tstamp Current time.
|
|
* @return OMPI_SUCCESS or error code on failure.
|
|
*/
|
|
|
|
typedef int (*mca_bml_base_module_progress_fn_t)(void);
|
|
|
|
|
|
/**
|
|
* BML component descriptor. Contains component version information
|
|
* and component open/close/init functions.
|
|
*/
|
|
|
|
struct mca_bml_base_component_1_0_0_t {
|
|
mca_base_component_t bml_version;
|
|
mca_base_component_data_1_0_0_t bml_data;
|
|
mca_bml_base_component_init_fn_t bml_init;
|
|
|
|
};
|
|
typedef struct mca_bml_base_component_1_0_0_t mca_bml_base_component_1_0_0_t;
|
|
typedef struct mca_bml_base_component_1_0_0_t mca_bml_base_component_t;
|
|
|
|
|
|
/*
|
|
* BML module interface functions and datatype.
|
|
*/
|
|
|
|
/**
|
|
* MCA->BML Clean up any resources held by BML module
|
|
* before the module is unloaded.
|
|
*
|
|
* @param bml (IN) BML module.
|
|
*
|
|
* Prior to unloading a BML module, the MCA framework will call
|
|
* the BML finalize method of the module. Any resources held by
|
|
* the BML should be released and if required the memory corresponding
|
|
* to the BML module freed.
|
|
*
|
|
*/
|
|
typedef int (*mca_bml_base_module_finalize_fn_t)( void );
|
|
|
|
/**
|
|
* PML->BML notification of change in the process list.
|
|
*
|
|
* @param nprocs (IN) Number of processes
|
|
* @param procs (IN) Set of processes
|
|
* @param endpoint (OUT) Set of (optional) mca_bml_base_endpoint_t structures by BML.
|
|
* @param reachable (OUT) Bitmask indicating set of peer processes that are reachable by this BML.
|
|
* @return OMPI_SUCCESS or error status on failure.
|
|
*
|
|
* The mca_bml_base_module_add_procs_fn_t() is called by the PML to
|
|
* determine the set of BMLs that should be used to reach each process.
|
|
* Any addressing information exported by the peer via the mca_base_modex_send()
|
|
* function should be available during this call via the corresponding
|
|
* mca_base_modex_recv() function. The BML may utilize this information to
|
|
* determine reachability of each peer process.
|
|
*
|
|
* For each process that is reachable by the BML, the bit corresponding to the index
|
|
* into the proc array (nprocs) should be set in the reachable bitmask. The PML
|
|
* provides the BML the option to return a pointer to a data structure defined
|
|
* by the BML that is returned to the BML on subsequent calls to the BML data
|
|
* transfer functions (e.g bml_send). This may be used by the BML to cache any addressing
|
|
* or connection information (e.g. TCP socket, IP queue pair).
|
|
*
|
|
* \note This function will return OMPI_ERR_UNREACH if one or more
|
|
* processes can not be reached by the currently active BTLs. This is
|
|
* not a fatal error, and the calling layer is free to continue using
|
|
* the BML interface.
|
|
*/
|
|
typedef int (*mca_bml_base_module_add_procs_fn_t)(
|
|
size_t nprocs,
|
|
struct ompi_proc_t** procs,
|
|
struct mca_bml_base_endpoint_t** endpoints,
|
|
struct ompi_bitmap_t* reachable
|
|
);
|
|
|
|
/**
|
|
* Notification of change to the process list.
|
|
*
|
|
* @param nprocs (IN) Number of processes
|
|
* @param proc (IN) Set of processes
|
|
* @return Status indicating if cleanup was successful
|
|
*
|
|
* When the process list changes, the PML notifies the BML of the
|
|
* change, to provide the opportunity to cleanup or release any
|
|
* resources associated with the peer.
|
|
*/
|
|
typedef int (*mca_bml_base_module_del_procs_fn_t)(
|
|
size_t nprocs,
|
|
struct ompi_proc_t** procs
|
|
);
|
|
|
|
/**
|
|
* Notification of change to the btl list.
|
|
*
|
|
* @param bml (IN) BTL module
|
|
* @return Status indicating if cleanup was successful
|
|
*
|
|
* On recovery of a btl, add it to the set of forwarding
|
|
* entries used by the BML.
|
|
*/
|
|
typedef int (*mca_bml_base_module_add_btl_fn_t)( struct mca_btl_base_module_t* );
|
|
|
|
/**
|
|
* Notification of change to the btl list.
|
|
*
|
|
* @param bml (IN) BTL module
|
|
* @return Status indicating if cleanup was successful
|
|
*
|
|
* On failure of a btl, remove it from the set of forwarding
|
|
* entries used by the BML.
|
|
*/
|
|
typedef int (*mca_bml_base_module_del_btl_fn_t)( struct mca_btl_base_module_t* );
|
|
|
|
/**
|
|
* Notification of change to the btl list.
|
|
*
|
|
* @param bml (IN) BTL module
|
|
* @return Status indicating if cleanup was successful
|
|
*
|
|
* On failure of a btl, remove it from the set of forwarding
|
|
* entries used by the BML.
|
|
*/
|
|
typedef int (*mca_bml_base_module_del_proc_btl_fn_t)(
|
|
struct ompi_proc_t*,
|
|
struct mca_btl_base_module_t* );
|
|
|
|
/**
|
|
* Callback function that is called asynchronously on receipt
|
|
* of data by the transport layer.
|
|
*/
|
|
|
|
typedef void (*mca_bml_base_module_recv_cb_fn_t)(
|
|
mca_btl_base_module_t* bml_btl,
|
|
mca_btl_base_tag_t tag,
|
|
mca_btl_base_descriptor_t* descriptor,
|
|
void* cbdata
|
|
);
|
|
|
|
|
|
/**
|
|
* Register a callback function that is called on receipt
|
|
* of a fragment.
|
|
*
|
|
* @param bml (IN) BML module
|
|
* @return Status indicating if cleanup was successful
|
|
*
|
|
* When the process list changes, the PML notifies the BML of the
|
|
* change, to provide the opportunity to cleanup or release any
|
|
* resources associated with the peer.
|
|
*/
|
|
typedef int (*mca_bml_base_module_register_fn_t)(
|
|
mca_btl_base_tag_t tag,
|
|
mca_bml_base_module_recv_cb_fn_t cbfunc,
|
|
void* cbdata
|
|
);
|
|
|
|
|
|
|
|
/**
|
|
* BML module interface functions and attributes.
|
|
*/
|
|
struct mca_bml_base_module_t {
|
|
/* BML common attributes */
|
|
mca_bml_base_component_t* bml_component; /**< pointer back to the BML component structure */
|
|
size_t bml_eager_limit; /**< maximum size of first fragment -- eager send */
|
|
size_t bml_min_send_size; /**< threshold below which the BML should not fragment */
|
|
size_t bml_max_send_size; /**< maximum send fragment size supported by the BML */
|
|
size_t bml_min_rdma_size; /**< threshold below which the BML should not fragment */
|
|
size_t bml_max_rdma_size; /**< maximum rdma fragment size supported by the BML */
|
|
|
|
/* BML function table */
|
|
mca_bml_base_module_add_procs_fn_t bml_add_procs;
|
|
mca_bml_base_module_del_procs_fn_t bml_del_procs;
|
|
mca_bml_base_module_add_btl_fn_t bml_add_btl;
|
|
mca_bml_base_module_del_btl_fn_t bml_del_btl;
|
|
mca_bml_base_module_del_proc_btl_fn_t bml_del_proc_btl;
|
|
mca_bml_base_module_register_fn_t bml_register;
|
|
mca_bml_base_module_finalize_fn_t bml_finalize;
|
|
|
|
mca_bml_base_module_progress_fn_t bml_progress;
|
|
|
|
};
|
|
typedef struct mca_bml_base_module_t mca_bml_base_module_t;
|
|
|
|
/*
|
|
* Macro for use in modules that are of type bml v1.0.0
|
|
*/
|
|
#define MCA_BML_BASE_VERSION_1_0_0 \
|
|
/* v1.0 is chained to MCA v1.0 */ \
|
|
MCA_BASE_VERSION_1_0_0, \
|
|
/* bml v1.0 */ \
|
|
"bml", 1, 0, 0
|
|
|
|
#endif /* OMPI_MCA_BML_H */
|