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/*
* Copyright (C) Mellanox Technologies Ltd. 2001-2011. ALL RIGHTS RESERVED.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "pml_ucx.h"
#include "opal/mca/memory/base/base.h"
static int mca_pml_ucx_component_register(void);
static int mca_pml_ucx_component_open(void);
static int mca_pml_ucx_component_close(void);
static mca_pml_base_module_t*
mca_pml_ucx_component_init(int* priority, bool enable_progress_threads,
bool enable_mpi_threads);
static int mca_pml_ucx_component_fini(void);
mca_pml_base_component_2_1_0_t mca_pml_ucx_component = {
/* First, the mca_base_component_t struct containing meta
* information about the component itself */
.pmlm_version = {
MCA_PML_BASE_VERSION_2_1_0,
.mca_component_name = "ucx",
.mca_component_major_version = OMPI_MAJOR_VERSION,
.mca_component_minor_version = OMPI_MINOR_VERSION,
.mca_component_release_version = OMPI_RELEASE_VERSION,
.mca_open_component = mca_pml_ucx_component_open,
.mca_close_component = mca_pml_ucx_component_close,
.mca_query_component = NULL,
.mca_register_component_params = mca_pml_ucx_component_register,
},
.pmlm_data = {
/* This component is not checkpoint ready */
.param_field = MCA_BASE_METADATA_PARAM_NONE
},
.pmlm_init = mca_pml_ucx_component_init,
.pmlm_finalize = mca_pml_ucx_component_fini
};
static int mca_pml_ucx_component_register(void)
{
#if HAVE_DECL_UCP_OP_ATTR_FLAG_MULTI_SEND
int multi_send_op_attr_enable;
#endif
ompi_pml_ucx.priority = 51;
(void) mca_base_component_var_register(&mca_pml_ucx_component.pmlm_version, "priority",
"Priority of the UCX component",
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
OPAL_INFO_LVL_3,
MCA_BASE_VAR_SCOPE_LOCAL,
&ompi_pml_ucx.priority);
ompi_pml_ucx.num_disconnect = 1;
(void) mca_base_component_var_register(&mca_pml_ucx_component.pmlm_version, "num_disconnect",
"How may disconnects go in parallel",
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
OPAL_INFO_LVL_3,
MCA_BASE_VAR_SCOPE_LOCAL,
&ompi_pml_ucx.num_disconnect);
#if HAVE_DECL_UCP_WORKER_FLAG_IGNORE_REQUEST_LEAK
ompi_pml_ucx.request_leak_check = false;
(void) mca_base_component_var_register(&mca_pml_ucx_component.pmlm_version, "request_leak_check",
"Enable showing a warning during MPI_Finalize if some "
"non-blocking MPI requests have not been released",
MCA_BASE_VAR_TYPE_BOOL, NULL, 0, 0,
OPAL_INFO_LVL_3,
MCA_BASE_VAR_SCOPE_LOCAL,
&ompi_pml_ucx.request_leak_check);
#else
/* If UCX does not support ignoring leak check, then it's always enabled */
ompi_pml_ucx.request_leak_check = true;
#endif
ompi_pml_ucx.op_attr_nonblocking = 0;
#if HAVE_DECL_UCP_OP_ATTR_FLAG_MULTI_SEND
multi_send_op_attr_enable = 1;
(void) mca_base_component_var_register(&mca_pml_ucx_component.pmlm_version, "multi_send_nb",
"Enable passing multi-send optimization flag for nonblocking operations",
MCA_BASE_VAR_TYPE_BOOL, NULL, 0, 0,
OPAL_INFO_LVL_3,
MCA_BASE_VAR_SCOPE_LOCAL,
&multi_send_op_attr_enable);
if (multi_send_op_attr_enable) {
ompi_pml_ucx.op_attr_nonblocking = UCP_OP_ATTR_FLAG_MULTI_SEND;
}
#endif
opal_common_ucx_mca_var_register(&mca_pml_ucx_component.pmlm_version);
return 0;
}
static int mca_pml_ucx_component_open(void)
{
opal_common_ucx_mca_register();
return mca_pml_ucx_open();
}
static int mca_pml_ucx_component_close(void)
{
int rc;
rc = mca_pml_ucx_close();
if (rc != 0) {
return rc;
}
opal_common_ucx_mca_deregister();
return 0;
}
static mca_pml_base_module_t*
mca_pml_ucx_component_init(int* priority, bool enable_progress_threads,
bool enable_mpi_threads)
{
opal_common_ucx_support_level_t support_level;
int ret;
support_level = opal_common_ucx_support_level(ompi_pml_ucx.ucp_context);
if (support_level == OPAL_COMMON_UCX_SUPPORT_NONE) {
return NULL;
}
if ( (ret = mca_pml_ucx_init(enable_mpi_threads)) != 0) {
return NULL;
}
/*
* If found supported devices - set to the configured (high) priority.
* Otherwise - Found only supported transports (which could be exposed by
* unsupported devices), so set a priority lower than ob1.
*/
*priority = (support_level == OPAL_COMMON_UCX_SUPPORT_DEVICE) ?
ompi_pml_ucx.priority : 19;
PML_UCX_VERBOSE(2, "returning priority %d", *priority);
return &ompi_pml_ucx.super;
}
static int mca_pml_ucx_component_fini(void)
{
return mca_pml_ucx_cleanup();
}
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