C++ (Cpp) alloc_proxy Examples

Example #1

File: proxy.c Project: AndreRH/wine

static HRESULT create_proxy( WS_CHANNEL *channel, const WS_PROXY_PROPERTY *properties, ULONG count,
                             WS_SERVICE_PROXY **handle )
{
    struct proxy *proxy;
    HRESULT hr;
    ULONG i;

    if (!(proxy = alloc_proxy())) return E_OUTOFMEMORY;

    for (i = 0; i < count; i++)
    {
        hr = prop_set( proxy->prop, proxy->prop_count, properties[i].id, properties[i].value,
                       properties[i].valueSize );
        if (hr != S_OK)
        {
            free_proxy( proxy );
            return hr;
        }
    }

    proxy->channel = channel;

    *handle = (WS_SERVICE_PROXY *)proxy;
    return S_OK;
}

Example #2

File: alloc.c Project: tjhei/fgmpi

HYD_status HYDU_create_proxy_list(struct HYD_exec *exec_list, struct HYD_node *node_list,
                                  struct HYD_pg *pg)
{
    struct HYD_proxy *proxy = NULL, *last_proxy = NULL, *tmp;
    struct HYD_exec *exec;
    struct HYD_node *node;
    int max_oversubscribe, c, num_procs, proxy_rem_cores, exec_rem_procs, allocated_procs;
    int filler_round, num_nodes, i, dummy_fillers;
#if defined(FINEGRAIN_MPI)
    int current_exec_start_rank = 0;
#endif
    HYD_status status = HYD_SUCCESS;

    HYDU_FUNC_ENTER();

    /* Find the current maximum oversubscription on the nodes */
    max_oversubscribe = 1;
    num_nodes = 0;
    for (node = node_list; node; node = node->next) {
        c = HYDU_dceil(node->active_processes, node->core_count);
        if (c > max_oversubscribe)
            max_oversubscribe = c;
        num_nodes++;
    }

    /* make sure there are non-zero cores available */
    c = 0;
    for (node = node_list; node; node = node->next)
        c += (node->core_count * max_oversubscribe) - node->active_processes;
    if (c == 0)
        max_oversubscribe++;

    allocated_procs = 0;
    dummy_fillers = 1;
    for (node = node_list; node; node = node->next) {
        /* check how many cores are available */
        c = (node->core_count * max_oversubscribe) - node->active_processes;

        /* create a proxy associated with this node */
        status = alloc_proxy(&proxy, pg, node);
        HYDU_ERR_POP(status, "error allocating proxy\n");

        proxy->filler_processes = c;
        allocated_procs += c;

        if (proxy->filler_processes < node->core_count)
            dummy_fillers = 0;

        if (pg->proxy_list == NULL)
            pg->proxy_list = proxy;
        else
            last_proxy->next = proxy;
        last_proxy = proxy;

        if (allocated_procs >= pg->pg_process_count)
            break;
    }

    /* If all proxies have as many filler processes as the number of
     * cores, we can reduce those filler processes */
    if (dummy_fillers)
        for (proxy = pg->proxy_list; proxy; proxy = proxy->next)
            proxy->filler_processes -= proxy->node->core_count;

    /* Proxy list is created; add the executables to the proxy list */
    if (pg->proxy_list->next == NULL) {
        /* Special case: there is only one proxy, so all executables
         * directly get appended to this proxy */
        for (exec = exec_list; exec; exec = exec->next) {
#if defined(FINEGRAIN_MPI)
            status = add_exec_to_proxy(exec, pg->proxy_list, exec->proc_count, current_exec_start_rank);
            HYDU_ERR_POP(status, "unable to add executable to proxy\n");
            current_exec_start_rank += exec->proc_count * exec->nfg;
#else
            status = add_exec_to_proxy(exec, pg->proxy_list, exec->proc_count);
            HYDU_ERR_POP(status, "unable to add executable to proxy\n");
#endif
        }
    }
    else {
        exec = exec_list;

        filler_round = 1;
        for (proxy = pg->proxy_list; proxy && proxy->filler_processes == 0; proxy = proxy->next);
        if (proxy == NULL) {
            filler_round = 0;
            proxy = pg->proxy_list;
        }

        exec_rem_procs = exec->proc_count;
        proxy_rem_cores = filler_round ? proxy->filler_processes : proxy->node->core_count;

        while (exec) {
            if (exec_rem_procs == 0) {
                exec = exec->next;
                if (exec)
                    exec_rem_procs = exec->proc_count;
                else
                    break;
            }
            HYDU_ASSERT(exec_rem_procs, status);

            while (proxy_rem_cores == 0) {
                proxy = proxy->next;

                if (proxy == NULL) {
                    filler_round = 0;
                    proxy = pg->proxy_list;
                }

                proxy_rem_cores = filler_round ? proxy->filler_processes : proxy->node->core_count;
            }

            num_procs = (exec_rem_procs > proxy_rem_cores) ? proxy_rem_cores : exec_rem_procs;
            HYDU_ASSERT(num_procs, status);

            exec_rem_procs -= num_procs;
            proxy_rem_cores -= num_procs;

#if defined(FINEGRAIN_MPI)
            status = add_exec_to_proxy(exec, proxy, num_procs, current_exec_start_rank);
            HYDU_ERR_POP(status, "unable to add executable to proxy\n");
            current_exec_start_rank += num_procs * exec->nfg;
#else
            status = add_exec_to_proxy(exec, proxy, num_procs);
            HYDU_ERR_POP(status, "unable to add executable to proxy\n");
#endif
        }
    }

    /* find dummy proxies and remove them */
    while (pg->proxy_list->exec_list == NULL) {
        tmp = pg->proxy_list->next;
        pg->proxy_list->next = NULL;
        HYDU_free_proxy_list(pg->proxy_list);
        pg->proxy_list = tmp;
    }
    for (proxy = pg->proxy_list; proxy->next;) {
        if (proxy->next->exec_list == NULL) {
            tmp = proxy->next;
            proxy->next = proxy->next->next;
            tmp->next = NULL;
            HYDU_free_proxy_list(tmp);
        }
        else {
            proxy = proxy->next;
        }
    }

    for (proxy = pg->proxy_list, i = 0; proxy; proxy = proxy->next, i++)
        proxy->proxy_id = i;

  fn_exit:
    HYDU_FUNC_EXIT();
    return status;

  fn_fail:
    goto fn_exit;
}