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/*
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2006 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) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2010 Cisco Systems, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif /* HAVE_UNISTD_H */
#ifdef HAVE_STRING_H
#include <string.h>
#endif /* HAVE_STRING_H */
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif /* HAVE_SYS_TYPES_H */
#include "ompi/constants.h"
#include "opal/runtime/opal.h"
#include "opal/event/event.h"
#include "opal/mca/base/mca_base_param.h"
#include "btl_self.h"
#include "btl_self_frag.h"
/*
* Shared Memory (SELF) component instance.
*/
mca_btl_self_component_t mca_btl_self_component = {
{ /* super is being filled in */
/* First, the mca_base_component_t struct containing meta information
about the component itself */
{
MCA_BTL_BASE_VERSION_2_0_0,
"self", /* MCA component name */
OMPI_MAJOR_VERSION, /* MCA component major version */
OMPI_MINOR_VERSION, /* MCA component minor version */
OMPI_RELEASE_VERSION, /* MCA component release version */
mca_btl_self_component_open, /* component open */
mca_btl_self_component_close /* component close */
},
{
/* The component is checkpoint ready */
MCA_BASE_METADATA_PARAM_CHECKPOINT
},
mca_btl_self_component_init,
NULL,
} /* end super */
};
/*
* Called by MCA framework to open the component, registers
* component parameters.
*/
int mca_btl_self_component_open(void)
{
/* register SELF component parameters */
mca_base_param_reg_int( (mca_base_component_t*)&mca_btl_self_component, "free_list_num",
"Number of fragments by default", false, false,
0, &mca_btl_self_component.free_list_num );
mca_base_param_reg_int( (mca_base_component_t*)&mca_btl_self_component, "free_list_max",
"Maximum number of fragments", false, false,
-1, &mca_btl_self_component.free_list_max );
mca_base_param_reg_int( (mca_base_component_t*)&mca_btl_self_component, "free_list_inc",
"Increment by this number of fragments", false, false,
32, &mca_btl_self_component.free_list_inc );
mca_btl_self.btl_exclusivity = MCA_BTL_EXCLUSIVITY_HIGH;
mca_btl_self.btl_eager_limit = 128 * 1024;
mca_btl_self.btl_rndv_eager_limit = 128 * 1024;
mca_btl_self.btl_max_send_size = 256 * 1024;
mca_btl_self.btl_rdma_pipeline_send_length = INT_MAX;
mca_btl_self.btl_rdma_pipeline_frag_size = INT_MAX;
mca_btl_self.btl_min_rdma_pipeline_size = 0;
mca_btl_self.btl_flags = MCA_BTL_FLAGS_PUT | MCA_BTL_FLAGS_SEND_INPLACE;
mca_btl_self.btl_bandwidth = 100;
mca_btl_self.btl_latency = 0;
mca_btl_base_param_register(&mca_btl_self_component.super.btl_version,
&mca_btl_self);
/* initialize objects */
OBJ_CONSTRUCT(&mca_btl_self_component.self_lock, opal_mutex_t);
OBJ_CONSTRUCT(&mca_btl_self_component.self_frags_eager, ompi_free_list_t);
OBJ_CONSTRUCT(&mca_btl_self_component.self_frags_send, ompi_free_list_t);
OBJ_CONSTRUCT(&mca_btl_self_component.self_frags_rdma, ompi_free_list_t);
return OMPI_SUCCESS;
}
/*
* component cleanup - sanity checking of queue lengths
*/
int mca_btl_self_component_close(void)
{
OBJ_DESTRUCT(&mca_btl_self_component.self_lock);
OBJ_DESTRUCT(&mca_btl_self_component.self_frags_eager);
OBJ_DESTRUCT(&mca_btl_self_component.self_frags_send);
OBJ_DESTRUCT(&mca_btl_self_component.self_frags_rdma);
return OMPI_SUCCESS;
}
/*
* SELF component initialization
*/
mca_btl_base_module_t** mca_btl_self_component_init( int *num_btls,
bool enable_progress_threads,
bool enable_mpi_threads )
{
mca_btl_base_module_t **btls = NULL;
*num_btls = 0;
/* allocate the Shared Memory PTL */
*num_btls = 1;
btls = (mca_btl_base_module_t**)malloc((*num_btls)*sizeof(mca_btl_base_module_t*));
if (NULL == btls) {
return NULL;
}
/* initialize free lists */
ompi_free_list_init_new( &mca_btl_self_component.self_frags_eager,
sizeof(mca_btl_self_frag_eager_t) + mca_btl_self.btl_eager_limit,
opal_cache_line_size,
OBJ_CLASS(mca_btl_self_frag_eager_t),
0,opal_cache_line_size,
mca_btl_self_component.free_list_num,
mca_btl_self_component.free_list_max,
mca_btl_self_component.free_list_inc,
NULL );
ompi_free_list_init_new( &mca_btl_self_component.self_frags_send,
sizeof(mca_btl_self_frag_send_t) + mca_btl_self.btl_max_send_size,
opal_cache_line_size,
OBJ_CLASS(mca_btl_self_frag_send_t),
0,opal_cache_line_size,
mca_btl_self_component.free_list_num,
mca_btl_self_component.free_list_max,
mca_btl_self_component.free_list_inc,
NULL );
ompi_free_list_init_new( &mca_btl_self_component.self_frags_rdma,
sizeof(mca_btl_self_frag_rdma_t),
opal_cache_line_size,
OBJ_CLASS(mca_btl_self_frag_rdma_t),
0,opal_cache_line_size,
mca_btl_self_component.free_list_num,
mca_btl_self_component.free_list_max,
mca_btl_self_component.free_list_inc,
NULL );
/* get pointer to the btls */
btls[0] = (mca_btl_base_module_t *)(&mca_btl_self);
return btls;
}
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