C++ (Cpp) ucp_request_test Examples

Example #1

File: libperf.c Project: xinzhao3/ucx

static void ucp_perf_test_destroy_eps(ucx_perf_context_t* perf,
                                      unsigned group_size)
{
    ucs_status_ptr_t    *reqs;
    ucp_tag_recv_info_t info;
    ucs_status_t        status;
    unsigned i;

    reqs = calloc(sizeof(*reqs), group_size);

    for (i = 0; i < group_size; ++i) {
        if (perf->ucp.peers[i].rkey != NULL) {
            ucp_rkey_destroy(perf->ucp.peers[i].rkey);
        }
        if (perf->ucp.peers[i].ep != NULL) {
            reqs[i] = ucp_disconnect_nb(perf->ucp.peers[i].ep);
        }
    }

    for (i = 0; i < group_size; ++i) {
        if (!UCS_PTR_IS_PTR(reqs[i])) {
            continue;
        }

        do {
            ucp_worker_progress(perf->ucp.worker);
            status = ucp_request_test(reqs[i], &info);
        } while (status == UCS_INPROGRESS);
        ucp_request_release(reqs[i]);
    }

    free(reqs);
    free(perf->ucp.peers);
}

Example #2

File: ucp_ep.c Project: alex--m/ucx

void ucp_ep_destroy(ucp_ep_h ep)
{
    ucp_worker_h worker = ep->worker;
    ucs_status_ptr_t *request;
    ucs_status_t status;

    request = ucp_disconnect_nb(ep);
    if (request == NULL) {
        return;
    } else if (UCS_PTR_IS_ERR(request)) {
        ucs_warn("disconnect failed: %s",
                 ucs_status_string(UCS_PTR_STATUS(request)));
        return;
    } else {
        do {
            ucp_worker_progress(worker);
            status = ucp_request_test(request, NULL);
        } while (status == UCS_INPROGRESS);
        ucp_request_release(request);
    }
}

Example #3

File: spml_ucx.c Project: jjhursey/ompi

static void mca_spml_ucx_waitall(void **reqs, size_t *count_p)
{
    ucs_status_t status;
    size_t i;

    SPML_VERBOSE(10, "waiting for %d disconnect requests", *count_p);
    for (i = 0; i < *count_p; ++i) {
        do {
            opal_progress();
            status = ucp_request_test(reqs[i], NULL);
        } while (status == UCS_INPROGRESS);
        if (status != UCS_OK) {
            SPML_ERROR("disconnect request failed: %s",
                       ucs_status_string(status));
        }
        ucp_request_release(reqs[i]);
        reqs[i] = NULL;
    }

    *count_p = 0;
}

Example #4

File: proto_info.c Project: openucx/ucx

void print_ucp_info(int print_opts, ucs_config_print_flags_t print_flags,
                    uint64_t ctx_features, const ucp_ep_params_t *base_ep_params,
                    size_t estimated_num_eps, unsigned dev_type_bitmap,
                    const char *mem_size)
{
    ucp_config_t *config;
    ucs_status_t status;
    ucs_status_ptr_t status_ptr;
    ucp_context_h context;
    ucp_worker_h worker;
    ucp_params_t params;
    ucp_worker_params_t worker_params;
    ucp_ep_params_t ep_params;
    ucp_address_t *address;
    size_t address_length;
    resource_usage_t usage;
    ucp_ep_h ep;

    status = ucp_config_read(NULL, NULL, &config);
    if (status != UCS_OK) {
        return;
    }

    memset(&params, 0, sizeof(params));
    params.field_mask        = UCP_PARAM_FIELD_FEATURES |
                               UCP_PARAM_FIELD_ESTIMATED_NUM_EPS;
    params.features          = ctx_features;
    params.estimated_num_eps = estimated_num_eps;

    get_resource_usage(&usage);

    if (!(dev_type_bitmap & UCS_BIT(UCT_DEVICE_TYPE_SELF))) {
        ucp_config_modify(config, "SELF_DEVICES", "");
    }
    if (!(dev_type_bitmap & UCS_BIT(UCT_DEVICE_TYPE_SHM))) {
        ucp_config_modify(config, "SHM_DEVICES", "");
    }
    if (!(dev_type_bitmap & UCS_BIT(UCT_DEVICE_TYPE_NET))) {
        ucp_config_modify(config, "NET_DEVICES", "");
    }

    status = ucp_init(&params, config, &context);
    if (status != UCS_OK) {
        printf("<Failed to create UCP context>\n");
        goto out_release_config;
    }

    if ((print_opts & PRINT_MEM_MAP) && (mem_size != NULL)) {
        ucp_mem_print_info(mem_size, context, stdout);
    }

    if (print_opts & PRINT_UCP_CONTEXT) {
        ucp_context_print_info(context, stdout);
        print_resource_usage(&usage, "UCP context");
    }

    if (!(print_opts & (PRINT_UCP_WORKER|PRINT_UCP_EP))) {
        goto out_cleanup_context;
    }

    worker_params.field_mask  = UCP_WORKER_PARAM_FIELD_THREAD_MODE;
    worker_params.thread_mode = UCS_THREAD_MODE_MULTI;

    get_resource_usage(&usage);

    status = ucp_worker_create(context, &worker_params, &worker);
    if (status != UCS_OK) {
        printf("<Failed to create UCP worker>\n");
        goto out_cleanup_context;
    }

    if (print_opts & PRINT_UCP_WORKER) {
        ucp_worker_print_info(worker, stdout);
        print_resource_usage(&usage, "UCP worker");
    }

    if (print_opts & PRINT_UCP_EP) {
        status = ucp_worker_get_address(worker, &address, &address_length);
        if (status != UCS_OK) {
            printf("<Failed to get UCP worker address>\n");
            goto out_destroy_worker;
        }

        ep_params             = *base_ep_params;

        ep_params.field_mask |= UCP_EP_PARAM_FIELD_REMOTE_ADDRESS;
        ep_params.address     = address;

        status = ucp_ep_create(worker, &ep_params, &ep);
        ucp_worker_release_address(worker, address);
        if (status != UCS_OK) {
            printf("<Failed to create UCP endpoint>\n");
            goto out_destroy_worker;
        }

        ucp_ep_print_info(ep, stdout);

        status_ptr = ucp_disconnect_nb(ep);
        if (UCS_PTR_IS_PTR(status_ptr)) {
            do {
                ucp_worker_progress(worker);
                status = ucp_request_test(status_ptr, NULL);
            } while (status == UCS_INPROGRESS);
            ucp_request_release(status_ptr);
        }
    }

out_destroy_worker:
    ucp_worker_destroy(worker);
out_cleanup_context:
    ucp_cleanup(context);
out_release_config:
    ucp_config_release(config);
}