MC_ignore_heap(&(id_), sizeof(id_));
}
-Task::Task(std::string name, std::vector<s4u::Host*> hosts, std::vector<double> flops_amount,
- std::vector<double> bytes_amount, void* data)
+Task::Task(std::string name, std::vector<s4u::Host*>&& hosts, std::vector<double>&& flops_amount,
+ std::vector<double>&& bytes_amount, void* data)
: Task(std::move(name), 1.0, 0, data)
{
parallel_ = true;
if (flops_amount <= 0.0)
return MSG_OK;
- set_used();
try {
- s4u::ExecPtr e = s4u::this_actor::exec_init(flops_amount)
- ->set_priority(1 / priority_)
- ->set_bound(bound_)
- ->set_tracing_category(tracing_category_)
- ->start();
- compute = boost::static_pointer_cast<kernel::activity::ExecImpl>(e->get_impl());
+ set_used();
+ if (parallel_)
+ compute = s4u::this_actor::exec_init(hosts_, flops_parallel_amount, bytes_parallel_amount);
+ else
+ compute = s4u::this_actor::exec_init(flops_amount);
- e->wait();
+ compute->set_name(name_)
+ ->set_tracing_category(tracing_category_)
+ ->set_timeout(timeout_)
+ ->set_priority(1 / priority_)
+ ->set_bound(bound_)
+ ->wait();
set_not_used();
XBT_DEBUG("Execution task '%s' finished", get_cname());
this->comm = nullptr;
msg_global->sent_msg++;
- s4u::CommPtr comm = s4u::Mailbox::by_name(alias)->put_init(this, bytes_amount)->set_rate(get_rate());
- this->comm = comm;
+ s4u::CommPtr s4u_comm = s4u::Mailbox::by_name(alias)->put_init(this, bytes_amount)->set_rate(get_rate());
+ comm = s4u_comm;
if (detached)
comm->detach(cleanup);
comm->start();
if (TRACE_is_enabled() && has_tracing_category())
- simgrid::simix::simcall([comm, this] { comm->get_impl()->set_category(std::move(tracing_category_)); });
+ simgrid::simix::simcall([this] { comm->get_impl()->set_category(std::move(tracing_category_)); });
return comm;
}
+msg_error_t Task::send(std::string alias, double timeout)
+{
+ msg_error_t ret = MSG_OK;
+ /* Try to send it */
+ try {
+ comm = nullptr; // needed, otherwise MC gets confused.
+ s4u::CommPtr s4u_comm = send_async(alias, nullptr, false);
+ comm = s4u_comm;
+ comm->wait_for(timeout);
+ } catch (simgrid::TimeoutError& e) {
+ ret = MSG_TIMEOUT;
+ } catch (simgrid::CancelException& e) {
+ ret = MSG_HOST_FAILURE;
+ } catch (xbt_ex& e) {
+ if (e.category == network_error)
+ ret = MSG_TRANSFER_FAILURE;
+ else
+ throw;
+
+ /* If the send failed, it is not used anymore */
+ set_not_used();
+ }
+
+ return ret;
+}
void Task::cancel()
{
if (compute) {
- simgrid::simix::simcall([this] { compute->cancel(); });
+ compute->cancel();
} else if (comm) {
comm->cancel();
}
*/
msg_error_t MSG_task_execute(msg_task_t task)
{
- return task->is_parallel() ? MSG_parallel_task_execute(task) : task->execute();
+ return task->execute();
}
+
+/**
+ * @brief Executes a parallel task and waits for its termination.
+ *
+ * @param task a #msg_task_t to execute on the location on which the process is running.
+ *
+ * @return #MSG_OK if the task was successfully completed, #MSG_TASK_CANCELED or #MSG_HOST_FAILURE otherwise
+ */
+msg_error_t MSG_parallel_task_execute(msg_task_t task)
+{
+ return task->execute();
+}
+
+msg_error_t MSG_parallel_task_execute_with_timeout(msg_task_t task, double timeout)
+{
+ task->set_timeout(timeout);
+ return task->execute();
+}
+
/**
* @brief Sends a task on a mailbox.
*
task->set_rate(maxrate);
task->send_async(alias, cleanup, true);
}
+/**
+ * @brief Sends a task to a mailbox
+ *
+ * This is a blocking function, the execution flow will be blocked until the task is sent (and received on the other
+ * side if #MSG_task_receive is used).
+ * See #MSG_task_isend for sending tasks asynchronously.
+ *
+ * @param task the task to be sent
+ * @param alias the mailbox name to where the task is sent
+ *
+ * @return Returns #MSG_OK if the task was successfully sent,
+ * #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE otherwise.
+ */
+msg_error_t MSG_task_send(msg_task_t task, const char* alias)
+{
+ XBT_DEBUG("MSG_task_send: Trying to send a message on mailbox '%s'", alias);
+ return task->send(alias, -1);
+}
+
+/**
+ * @brief Sends a task to a mailbox with a maximum rate
+ *
+ * This is a blocking function, the execution flow will be blocked until the task is sent. The maxrate parameter allows
+ * the application to limit the bandwidth utilization of network links when sending the task.
+ *
+ * The maxrate parameter can be used to send a task with a limited bandwidth (smaller than the physical available
+ * value). Use MSG_task_send() if you don't limit the rate (or pass -1 as a rate value do disable this feature).
+ *
+ * @param task the task to be sent
+ * @param alias the mailbox name to where the task is sent
+ * @param maxrate the maximum communication rate for sending this task (byte/sec)
+ *
+ * @return Returns #MSG_OK if the task was successfully sent,
+ * #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE otherwise.
+ */
+msg_error_t MSG_task_send_bounded(msg_task_t task, const char* alias, double maxrate)
+{
+ task->set_rate(maxrate);
+ return task->send(alias, -1);
+}
+
+/**
+ * @brief Sends a task to a mailbox with a timeout
+ *
+ * This is a blocking function, the execution flow will be blocked until the task is sent or the timeout is achieved.
+ *
+ * @param task the task to be sent
+ * @param alias the mailbox name to where the task is sent
+ * @param timeout is the maximum wait time for completion (if -1, this call is the same as #MSG_task_send)
+ *
+ * @return Returns #MSG_OK if the task was successfully sent,
+ * #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE, or #MSG_TIMEOUT otherwise.
+ */
+msg_error_t MSG_task_send_with_timeout(msg_task_t task, const char* alias, double timeout)
+{
+ return task->send(alias, timeout);
+}
+
+/**
+ * @brief Sends a task to a mailbox with a timeout and with a maximum rate
+ *
+ * This is a blocking function, the execution flow will be blocked until the task is sent or the timeout is achieved.
+ *
+ * The maxrate parameter can be used to send a task with a limited bandwidth (smaller than the physical available
+ * value). Use MSG_task_send_with_timeout() if you don't limit the rate (or pass -1 as a rate value do disable this
+ * feature).
+ *
+ * @param task the task to be sent
+ * @param alias the mailbox name to where the task is sent
+ * @param timeout is the maximum wait time for completion (if -1, this call is the same as #MSG_task_send)
+ * @param maxrate the maximum communication rate for sending this task (byte/sec)
+ *
+ * @return Returns #MSG_OK if the task was successfully sent,
+ * #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE, or #MSG_TIMEOUT otherwise.
+ */
+msg_error_t MSG_task_send_with_timeout_bounded(msg_task_t task, const char* alias, double timeout, double maxrate)
+{
+ task->set_rate(maxrate);
+ return task->send(alias, timeout);
+}
/** @brief Destroys the given task.
*
xbt_assert((task != nullptr), "Cannot get information from a nullptr task");
if (task->compute) {
// Task in progress
- if (task->is_parallel())
- return task->compute->get_par_remaining_ratio();
- else
- return task->compute->get_seq_remaining_ratio();
+ return task->compute->get_remaining_ratio();
} else {
// Task not started (flops_amount is > 0.0) or finished (flops_amount is set to 0.0)
return task->flops_amount > 0.0 ? 1.0 : 0.0;
