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COLL/UCC: set node local id - v5.0.x #13418

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Merged
merged 1 commit into from
Sep 29, 2025
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COLL/UCC: set node local id - v5.0.x #13418

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12 changes: 12 additions & 0 deletions ompi/mca/coll/ucc/coll_ucc_module.c
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Original file line number Diff line number Diff line change
Expand Up @@ -291,6 +291,9 @@ static int mca_coll_ucc_init_ctx() {
ucc_thread_mode_t tm_requested;
ucc_lib_params_t lib_params;
ucc_context_params_t ctx_params;
unsigned ucc_api_major, ucc_api_minor, ucc_api_patch;

ucc_get_version(&ucc_api_major, &ucc_api_minor, &ucc_api_patch);

tm_requested = ompi_mpi_thread_multiple ? UCC_THREAD_MULTIPLE :
UCC_THREAD_SINGLE;
Expand Down Expand Up @@ -354,6 +357,15 @@ static int mca_coll_ucc_init_ctx() {
goto cleanup_lib;
}

if (ucc_api_major > 1 || (ucc_api_major == 1 && ucc_api_minor >= 6)) {
sprintf(str_buf, "%u", opal_process_info.my_local_rank);
if (UCC_OK != ucc_context_config_modify(ctx_config, NULL, "NODE_LOCAL_ID",
str_buf)) {
UCC_ERROR("UCC context config modify failed for node_local_id");
goto cleanup_lib;
}
}

if (UCC_OK != ucc_context_create(cm->ucc_lib, &ctx_params,
ctx_config, &cm->ucc_context)) {
UCC_ERROR("UCC context create failed");
Expand Down