/** * \brief Add data to the dict (null-terminated key) * * \param dict the dict * \param key the key to set the new data * \param data the data to add in the dict * \param free_ctn function to call with (\a data as argument) when * \a data is removed from the dictionary * * set the \a data in the structure under the \a key, which is a * null terminated string. */ XBT_INLINE void xbt_dict_set(xbt_dict_t dict, const char *key, void *data, void_f_pvoid_t free_ctn) { xbt_dict_set_ext(dict, key, strlen(key), data, free_ctn); }
void xbt_multidict_set_ext(xbt_dict_t mdict, xbt_dynar_t keys, xbt_dynar_t lens, void *data, void_f_pvoid_t free_ctn) { xbt_dict_t thislevel, nextlevel = NULL; int i; unsigned long int thislen; char *thiskey; int keys_len = xbt_dynar_length(keys); xbt_assert(xbt_dynar_length(keys) == xbt_dynar_length(lens)); xbt_assert(keys_len, "Can't set a zero-long key set in a multidict"); XBT_DEBUG("xbt_multidict_set(%p,%d)", mdict, keys_len); for (i = 0, thislevel = mdict; i < keys_len - 1; i++, thislevel = nextlevel) { xbt_dynar_get_cpy(keys, i, &thiskey); xbt_dynar_get_cpy(lens, i, &thislen); XBT_DEBUG("multi_set: at level %d, len=%ld, key=%p |%*s|", i, thislen, thiskey, (int) thislen, thiskey); /* search the dict of next level */ nextlevel = xbt_dict_get_or_null_ext(thislevel, thiskey, thislen); if (nextlevel == NULL) { /* make sure the dict of next level exists */ nextlevel = xbt_dict_new(); XBT_VERB("Create a dict (%p)", nextlevel); xbt_dict_set_ext(thislevel, thiskey, thislen, nextlevel, &_free_dict); } } xbt_dynar_get_cpy(keys, i, &thiskey); xbt_dynar_get_cpy(lens, i, &thislen); xbt_dict_set_ext(thislevel, thiskey, thislen, data, free_ctn); }
xbt_node_t AsDijkstra::routeGraphNewNode(int id, int graph_id) { xbt_node_t node = nullptr; graph_node_data_t data = nullptr; graph_node_map_element_t elm = nullptr; data = xbt_new0(struct graph_node_data, 1); data->id = id; data->graph_id = graph_id; node = xbt_graph_new_node(routeGraph_, data); elm = xbt_new0(struct graph_node_map_element, 1); elm->node = node; xbt_dict_set_ext(graphNodeMap_, (char *) (&id), sizeof(int), (xbt_dictelm_t) elm, nullptr); return node; }
/** \ingroup m_task_management * \brief Changes the CPU affinity of a computation task. * * When pinning the given task to the first CPU core of the given host, use * 0x01 for the mask value. Each bit of the mask value corresponds to each CPU * core. See taskset(1) on Linux. * * \param task a target task * \param host the host having a multi-core CPU * \param mask the bit mask of a new CPU affinity setting for the task * * * Usage: * 0. Define a host with multiple cores. * \<host id="PM0" power="1E8" core="2"/\> * * 1. Pin a given task to the first CPU core of a host. * MSG_task_set_affinity(task, pm0, 0x01); * * 2. Pin a given task to the third CPU core of a host. Turn on the third bit of the mask. * MSG_task_set_affinity(task, pm0, 0x04); // 0x04 == 100B * * 3. Pin a given VM to the first CPU core of a host. * MSG_vm_set_affinity(vm, pm0, 0x01); * * See examples/msg/cloud/multicore.c for more information. * * * Note: * 1. The current code does not allow an affinity of a task to multiple cores. * The mask value 0x03 (i.e., a given task will be executed on the first core * or the second core) is not allowed. The mask value 0x01 or 0x02 works. See * cpu_cas01.c for details. * * 2. It is recommended to first compare simulation results in both the Lazy * and Full calculation modes (using --cfg=cpu/optim:Full or not). Fix * cpu_cas01.c if you find wrong results in the Lazy mode. * */ void MSG_task_set_affinity(msg_task_t task, msg_host_t host, unsigned long mask) { xbt_assert(task, "Invalid parameter"); xbt_assert(task->simdata, "Invalid parameter"); if (mask == 0) { /* 0 means clear */ { /* We need remove_ext() not throwing exception. */ void *ret = xbt_dict_get_or_null_ext(task->simdata->affinity_mask_db, (char *) host, sizeof(msg_host_t)); if (ret != NULL) xbt_dict_remove_ext(task->simdata->affinity_mask_db, (char *) host, sizeof(host)); } } else xbt_dict_set_ext(task->simdata->affinity_mask_db, (char *) host, sizeof(host), (void *) mask, NULL); /* We set affinity data of this task. If the task is being executed, we * actually change the affinity setting of the task. Otherwise, this change * will be applied when the task is executed. */ if (!task->simdata->compute) { /* task is not yet executed */ XBT_INFO("set affinity(0x%04lx@%s) for %s (not active now)", mask, MSG_host_get_name(host), MSG_task_get_name(task)); return; } { smx_synchro_t compute = task->simdata->compute; msg_host_t host_now = compute->execution.host; // simix_private.h is necessary if (host_now != host) { /* task is not yet executed on this host */ XBT_INFO("set affinity(0x%04lx@%s) for %s (not active now)", mask, MSG_host_get_name(host), MSG_task_get_name(task)); return; } /* task is being executed on this host. so change the affinity now */ { /* check it works. remove me if it works. */ xbt_assert((unsigned long) xbt_dict_get_or_null_ext(task->simdata->affinity_mask_db, (char *) host, sizeof(msg_host_t)) == mask); } XBT_INFO("set affinity(0x%04lx@%s) for %s", mask, MSG_host_get_name(host), MSG_task_get_name(task)); simcall_process_execution_set_affinity(task->simdata->compute, host, mask); } }
static xbt_node_t route_graph_new_node(as_dijkstra_t as, int id, int graph_id) { xbt_node_t node = NULL; graph_node_data_t data = NULL; graph_node_map_element_t elm = NULL; data = xbt_new0(struct graph_node_data, 1); data->id = id; data->graph_id = graph_id; node = xbt_graph_new_node(as->route_graph, data); elm = xbt_new0(struct graph_node_map_element, 1); elm->node = node; xbt_dict_set_ext(as->graph_node_map, (char *) (&id), sizeof(int), (xbt_set_elm_t) elm, NULL); return node; }
/** * \brief Add data to the dict (arbitrary key) * \param dict the container * \param key the key to set the new data * \param data the data to add in the dict * * Set the \a data in the structure under the \a key. * Both \a data and \a key are considered as uintptr_t. */ XBT_INLINE void xbt_dicti_set(xbt_dict_t dict, uintptr_t key, uintptr_t data) { xbt_dict_set_ext(dict, (void *)&key, sizeof key, (void*)data, NULL); }