+ * \brief Creates a new #msg_task_t (a parallel one....).
+ *
+ * A constructor for #msg_task_t taking six arguments and returning the
+ corresponding object.
+ * \param name a name for the object. It is for user-level information
+ and can be NULL.
+ * \param host_nb the number of hosts implied in the parallel task.
+ * \param host_list an array of \p host_nb msg_host_t.
+ * \param computation_amount an array of \p host_nb
+ doubles. computation_amount[i] is the total number of operations
+ that have to be performed on host_list[i].
+ * \param communication_amount an array of \p host_nb* \p host_nb doubles.
+ * \param data a pointer to any data may want to attach to the new
+ object. It is for user-level information and can be NULL. It can
+ be retrieved with the function \ref MSG_task_get_data.
+ * \see msg_task_t
+ * \return The new corresponding object.
+ */
+msg_task_t
+MSG_parallel_task_create(const char *name, int host_nb,
+ const msg_host_t * host_list,
+ double *computation_amount,
+ double *communication_amount, void *data)
+{
+ msg_task_t task = MSG_task_create(name, 0, 0, data);
+ simdata_task_t simdata = task->simdata;
+ int i;
+
+ /* Simulator Data specific to parallel tasks */
+ simdata->host_nb = host_nb;
+ simdata->host_list = xbt_new0(smx_host_t, host_nb);
+ simdata->comp_amount = computation_amount;
+ simdata->comm_amount = communication_amount;
+
+ for (i = 0; i < host_nb; i++)
+ simdata->host_list[i] = host_list[i];
+
+ return task;
+}
+
+/*************** Begin GPU ***************/
+/** \ingroup m_task_management
+ * \brief Creates a new #msg_gpu_task_t.
+
+ * A constructor for #msg_gpu_task_t taking four arguments and returning
+ a pointer to the new created GPU task.
+
+ * \param name a name for the object. It is for user-level information
+ and can be NULL.
+
+ * \param compute_duration a value of the processing amount (in flop)
+ needed to process this new task. If 0, then it cannot be executed with
+ MSG_gpu_task_execute(). This value has to be >=0.
+
+ * \param dispatch_latency time in seconds to load this task on the GPU
+
+ * \param collect_latency time in seconds to transfer result from the GPU
+ back to the CPU (host) when done
+
+ * \see msg_gpu_task_t
+ * \return The new corresponding object.
+ */
+msg_gpu_task_t MSG_gpu_task_create(const char *name, double compute_duration,
+ double dispatch_latency, double collect_latency)
+{
+ msg_gpu_task_t task = xbt_new(s_msg_gpu_task_t, 1);
+ simdata_gpu_task_t simdata = xbt_new(s_simdata_gpu_task_t, 1);
+ task->simdata = simdata;
+ /* Task structure */
+ task->name = xbt_strdup(name);
+
+ /* Simulator Data */
+ simdata->computation_amount = compute_duration;
+ simdata->dispatch_latency = dispatch_latency;
+ simdata->collect_latency = collect_latency;
+
+#ifdef HAVE_TRACING
+ //FIXME
+ /* TRACE_msg_gpu_task_create(task); */
+#endif
+
+ return task;
+}
+/*************** End GPU ***************/
+
+/** \ingroup m_task_management
+ * \brief Return the user data of a #msg_task_t.