static mca_mtl_base_module_t * ompi_mtl_psm2_component_init(bool enable_progress_threads, bool enable_mpi_threads) { psm_error_t err; int verno_major = PSM_VERNO_MAJOR; int verno_minor = PSM_VERNO_MINOR; int local_rank = -1, num_local_procs = 0; int num_total_procs = 0; /* Compute the total number of processes on this host and our local rank * on that node. We need to provide PSM with these values so it can * allocate hardware contexts appropriately across processes. */ if (OMPI_SUCCESS != get_num_local_procs(&num_local_procs)) { opal_output(0, "Cannot determine number of local processes. " "Cannot continue.\n"); return NULL; } if (OMPI_SUCCESS != get_local_rank(&local_rank)) { opal_output(0, "Cannot determine local rank. Cannot continue.\n"); return NULL; } if (OMPI_SUCCESS != get_num_total_procs(&num_total_procs)) { opal_output(0, "Cannot determine total number of processes. " "Cannot continue.\n"); return NULL; } err = psm_error_register_handler(NULL /* no ep */, PSM_ERRHANDLER_NOP); if (err) { opal_output(0, "Error in psm_error_register_handler (error %s)\n", psm_error_get_string(err)); return NULL; } if (num_local_procs == num_total_procs) { setenv("PSM_DEVICES", "self,shm", 0); } err = psm_init(&verno_major, &verno_minor); if (err) { opal_show_help("help-mtl-psm.txt", "psm init", true, psm_error_get_string(err)); return NULL; } /* Complete PSM initialization */ ompi_mtl_psm2_module_init(local_rank, num_local_procs); ompi_mtl_psm2.super.mtl_request_size = sizeof(mca_mtl_psm2_request_t) - sizeof(struct mca_mtl_request_t); return &ompi_mtl_psm2.super; }
static mca_mtl_base_module_t * ompi_mtl_psm_component_init(bool enable_progress_threads, bool enable_mpi_threads) { psm_error_t err; int verno_major = PSM_VERNO_MAJOR; int verno_minor = PSM_VERNO_MINOR; int local_rank = -1, num_local_procs = 0; int num_total_procs = 0; /* Compute the total number of processes on this host and our local rank * on that node. We need to provide PSM with these values so it can * allocate hardware contexts appropriately across processes. */ if (OMPI_SUCCESS != get_num_local_procs(&num_local_procs)) { opal_output(0, "Cannot determine number of local processes. " "Cannot continue.\n"); return NULL; } if (OMPI_SUCCESS != get_local_rank(&local_rank)) { opal_output(0, "Cannot determine local rank. Cannot continue.\n"); return NULL; } if (OMPI_SUCCESS != get_num_total_procs(&num_total_procs)) { opal_output(0, "Cannot determine total number of processes. " "Cannot continue.\n"); return NULL; } #if PSM_VERNO >= 0x010c /* Set infinipath debug level */ err = psm_setopt(PSM_COMPONENT_CORE, 0, PSM_CORE_OPT_DEBUG, (const void*) &ompi_mtl_psm.debug_level, sizeof(unsigned)); if (err) { /* Non fatal error. Can continue */ opal_show_help("help-mtl-psm.txt", "psm init", false, psm_error_get_string(err)); } #endif if (getenv("PSM_DEVICES") == NULL) { /* Only allow for shm and ipath devices in 2.0 and earlier releases * (unless the user overrides the setting). */ if (PSM_VERNO >= 0x0104) { if (num_local_procs == num_total_procs) { setenv("PSM_DEVICES", "self,shm", 0); } else { setenv("PSM_DEVICES", "self,shm,ipath", 0); } } else { if (num_local_procs == num_total_procs) { setenv("PSM_DEVICES", "shm", 0); } else { setenv("PSM_DEVICES", "shm,ipath", 0); } } } err = psm_init(&verno_major, &verno_minor); if (err) { opal_show_help("help-mtl-psm.txt", "psm init", true, psm_error_get_string(err)); return NULL; } /* Complete PSM initialization */ ompi_mtl_psm_module_init(local_rank, num_local_procs); ompi_mtl_psm.super.mtl_request_size = sizeof(mca_mtl_psm_request_t) - sizeof(struct mca_mtl_request_t); /* don't register the err handler until we know we will be active */ err = psm_error_register_handler(NULL /* no ep */, PSM_ERRHANDLER_NOP); if (err) { opal_output(0, "Error in psm_error_register_handler (error %s)\n", psm_error_get_string(err)); return NULL; } return &ompi_mtl_psm.super; }