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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2021 Mellanox Technologies. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include <stdio.h>
#include <dlfcn.h>
#include <libgen.h>
#include "scoll_ucc.h"
#include "opal/util/argv.h"
/*
* Public string showing the oshmem scoll_ucc component version number
*/
const char * mca_scoll_ucc_component_version_string =
"OpenSHMEM UCC collective MCA component version " OSHMEM_VERSION;
static int ucc_open(void);
static int ucc_close(void);
static int ucc_register(void);
int mca_scoll_ucc_output = -1;
mca_scoll_ucc_component_t mca_scoll_ucc_component = {
/* First, the mca_component_t struct containing meta information
about the component */
{
.scoll_version = {
MCA_SCOLL_BASE_VERSION_2_0_0,
/* Component name and version */
.mca_component_name = "ucc",
MCA_BASE_MAKE_VERSION(component, OSHMEM_MAJOR_VERSION, OSHMEM_MINOR_VERSION,
OSHMEM_RELEASE_VERSION),
/* Component open and close functions */
.mca_open_component = ucc_open,
.mca_close_component = ucc_close,
.mca_register_component_params = ucc_register,
.mca_query_component = NULL,
},
.scoll_data = {
/* The component is not checkpoint ready */
MCA_BASE_METADATA_PARAM_NONE
},
/* Initialization / querying functions */
.scoll_init = mca_scoll_ucc_init_query,
.scoll_query = mca_scoll_ucc_comm_query,
},
75, /* priority */
0, /* verbose level */
0, /* ucc_enable */
2, /* ucc_np */
"", /* cls */
SCOLL_UCC_CTS_STR, /* cts */
0, /* nr_modules */
false, /* libucc_initialized */
NULL /* ucc_context */
};
static int ucc_register(void)
{
mca_scoll_ucc_component_t * cm = &mca_scoll_ucc_component;
mca_base_component_t * c = &cm->super.scoll_version;
mca_base_component_var_register(c, "priority",
"Priority of the UCC scoll component",
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
OPAL_INFO_LVL_9, MCA_BASE_VAR_SCOPE_READONLY,
&cm->ucc_priority);
mca_base_component_var_register(c, "verbose",
"Verbose level of the UCC scoll component",
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
OPAL_INFO_LVL_9, MCA_BASE_VAR_SCOPE_READONLY,
&cm->ucc_verbose);
mca_base_component_var_register(c, "enable",
"[1|0|] Enable/Disable UCC scoll component",
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
OPAL_INFO_LVL_9, MCA_BASE_VAR_SCOPE_READONLY,
&cm->ucc_enable);
mca_base_component_var_register(c, "np",
"Minimal Active Set / Team size for UCC scoll component",
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
OPAL_INFO_LVL_9, MCA_BASE_VAR_SCOPE_READONLY,
&cm->ucc_np);
cm->cts = "";
mca_base_component_var_register(c, "cls",
"Comma separated list of UCC CLS to be used for team creation",
MCA_BASE_VAR_TYPE_STRING, NULL, 0, 0,
OPAL_INFO_LVL_6, MCA_BASE_VAR_SCOPE_READONLY,
&cm->cls);
cm->cts = SCOLL_UCC_CTS_STR;
mca_base_component_var_register(c, "cts",
"Comma separated list of UCC coll types to be enabled",
MCA_BASE_VAR_TYPE_STRING, NULL, 0, 0,
OPAL_INFO_LVL_6, MCA_BASE_VAR_SCOPE_READONLY,
&cm->cts);
return OSHMEM_SUCCESS;
}
static ucc_coll_type_t mca_scoll_ucc_str_to_type(const char *str)
{
if (0 == strcasecmp(str, "barrier")) {
return UCC_COLL_TYPE_BARRIER;
} else if (0 == strcasecmp(str, "broadcast")) {
return UCC_COLL_TYPE_BCAST;
} else if (0 == strcasecmp(str, "reduce")) {
return UCC_COLL_TYPE_ALLREDUCE;
} else if (0 == strcasecmp(str, "alltoall")) {
return UCC_COLL_TYPE_ALLTOALL;
} else if (0 == strcasecmp(str, "collect")) {
return UCC_COLL_TYPE_ALLGATHER;
}
UCC_ERROR("incorrect value for cts: %s, allowed: %s",
str, SCOLL_UCC_CTS_STR);
return UCC_COLL_TYPE_LAST;
}
static void mca_scoll_ucc_init_default_cts(void)
{
mca_scoll_ucc_component_t *cm = &mca_scoll_ucc_component;
bool disable;
char ** cts;
int n_cts, i;
char * str;
ucc_coll_type_t *ct, c;
disable = (cm->cts[0] == '^') ? true : false;
cts = opal_argv_split(disable ? (cm->cts + 1) : cm->cts, ',');
n_cts = opal_argv_count(cts);
cm->cts_requested = disable ? SCOLL_UCC_CTS : 0;
for (i = 0; i < n_cts; i++) {
str = cts[i];
ct = &cm->cts_requested;
c = mca_scoll_ucc_str_to_type(str);
if (UCC_COLL_TYPE_LAST == c) {
*ct = SCOLL_UCC_CTS;
break;
}
if (disable) {
(*ct) &= ~c;
} else {
(*ct) |= c;
}
}
opal_argv_free(cts);
}
static int ucc_open(void)
{
mca_scoll_ucc_component_t *cm;
cm = &mca_scoll_ucc_component;
cm->libucc_initialized = false;
mca_scoll_ucc_output = opal_output_open(NULL);
opal_output_set_verbosity(mca_scoll_ucc_output, cm->ucc_verbose);
mca_scoll_ucc_init_default_cts();
return OSHMEM_SUCCESS;
}
static int ucc_close(void)
{
return OSHMEM_SUCCESS;
}
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