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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2013 Mellanox Technologies, Inc.
* All rights reserved.
* Copyright (c) 2015 Los Alamos National Security, LLC. All rights
* reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "oshmem_config.h"
#include "oshmem/constants.h"
#include "oshmem/mca/scoll/scoll.h"
#include "oshmem/mca/scoll/base/base.h"
#include "scoll_basic.h"
/*
* Public string showing the scoll basic component version number
*/
const char *mca_scoll_basic_component_version_string =
"Open SHMEM basic collective MCA component version " OSHMEM_VERSION;
/*
* Global variable
*/
int mca_scoll_basic_priority_param = -1;
int mca_scoll_basic_param_barrier_algorithm = SCOLL_ALG_BARRIER_ADAPTIVE;
int mca_scoll_basic_param_broadcast_algorithm = SCOLL_ALG_BROADCAST_BINOMIAL;
int mca_scoll_basic_param_collect_algorithm =
SCOLL_ALG_COLLECT_RECURSIVE_DOUBLING;
int mca_scoll_basic_param_reduce_algorithm = SCOLL_ALG_REDUCE_RECURSIVE_DOUBLING;
/*
* Local function
*/
static int basic_register(void);
static int basic_open(void);
static int basic_close(void);
/*
* Instantiate the public struct with all of our public information
* and pointers to our public functions in it
*/
mca_scoll_base_component_t mca_scoll_basic_component = {
/* First, the mca_component_t struct containing meta information
about the component itself */
.scoll_version = {
MCA_SCOLL_BASE_VERSION_2_0_0,
/* Component name and version */
.mca_component_name = "basic",
MCA_BASE_MAKE_VERSION(component, OSHMEM_MAJOR_VERSION, OSHMEM_MINOR_VERSION,
OSHMEM_RELEASE_VERSION),
/* Component open and close functions */
.mca_open_component = basic_open,
.mca_close_component = basic_close,
.mca_register_component_params = basic_register,
},
.scoll_data = {
/* The component is checkpoint ready */
MCA_BASE_METADATA_PARAM_CHECKPOINT
},
/* Initialization / querying functions */
.scoll_init = mca_scoll_basic_init,
.scoll_query = mca_scoll_basic_query,
};
static int basic_register(void)
{
char help_msg[200];
mca_base_component_t *comp = &mca_scoll_basic_component.scoll_version;
mca_scoll_basic_priority_param = 75;
(void) mca_base_component_var_register(comp,
"priority",
"Priority of the basic scoll:basic component",
MCA_BASE_VAR_TYPE_INT, NULL, 0, MCA_BASE_VAR_FLAG_SETTABLE,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY,
&mca_scoll_basic_priority_param);
sprintf(help_msg,
"Algorithm selection for Barrier (%d - Central Counter, %d - Tournament, %d - Recursive Doubling, %d - Dissemination, %d - Basic, %d - Adaptive)",
SCOLL_ALG_BARRIER_CENTRAL_COUNTER,
SCOLL_ALG_BARRIER_TOURNAMENT,
SCOLL_ALG_BARRIER_RECURSIVE_DOUBLING,
SCOLL_ALG_BARRIER_DISSEMINATION,
SCOLL_ALG_BARRIER_BASIC,
SCOLL_ALG_BARRIER_ADAPTIVE);
(void) mca_base_component_var_register(comp,
"barrier_alg",
help_msg,
MCA_BASE_VAR_TYPE_INT, NULL, 0, MCA_BASE_VAR_FLAG_SETTABLE,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY,
&mca_scoll_basic_param_barrier_algorithm);
sprintf(help_msg,
"Algorithm selection for Broadcast (%d - Central Counter, %d - Binomial)",
SCOLL_ALG_BROADCAST_CENTRAL_COUNTER,
SCOLL_ALG_BROADCAST_BINOMIAL);
(void) mca_base_component_var_register(comp,
"broadcast_alg",
help_msg,
MCA_BASE_VAR_TYPE_INT, NULL, 0, MCA_BASE_VAR_FLAG_SETTABLE,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY,
&mca_scoll_basic_param_broadcast_algorithm);
sprintf(help_msg,
"Algorithm selection for Collect (%d - Central Counter, %d - Tournament, %d - Recursive Doubling, %d - Ring)",
SCOLL_ALG_COLLECT_CENTRAL_COUNTER,
SCOLL_ALG_COLLECT_TOURNAMENT,
SCOLL_ALG_COLLECT_RECURSIVE_DOUBLING,
SCOLL_ALG_COLLECT_RING);
(void) mca_base_component_var_register(comp,
"collect_alg",
help_msg,
MCA_BASE_VAR_TYPE_INT, NULL, 0, MCA_BASE_VAR_FLAG_SETTABLE,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY,
&mca_scoll_basic_param_collect_algorithm);
sprintf(help_msg,
"Algorithm selection for Reduce (%d - Central Counter, %d - Tournament, %d - Recursive Doubling %d - Linear %d - Log)",
SCOLL_ALG_REDUCE_CENTRAL_COUNTER,
SCOLL_ALG_REDUCE_TOURNAMENT,
SCOLL_ALG_REDUCE_RECURSIVE_DOUBLING,
SCOLL_ALG_REDUCE_LEGACY_LINEAR,
SCOLL_ALG_REDUCE_LEGACY_LOG);
(void) mca_base_component_var_register(comp,
"reduce_alg",
help_msg,
MCA_BASE_VAR_TYPE_INT, NULL, 0, MCA_BASE_VAR_FLAG_SETTABLE,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY,
&mca_scoll_basic_param_reduce_algorithm);
return OSHMEM_SUCCESS;
}
static int basic_open(void)
{
return OSHMEM_SUCCESS;
}
static int basic_close(void)
{
return OSHMEM_SUCCESS;
}
OBJ_CLASS_INSTANCE(mca_scoll_basic_module_t,
mca_scoll_base_module_t,
NULL,
NULL);
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