#include "xbt/sysdep.h"
#include "xbt/log.h"
-/** \defgroup m_task_management Managing functions of Tasks
- * \brief This section describes the task structure of MSG
- * (#m_task_t) and the functions for managing it.
- */
/** @addtogroup m_task_management
- * \htmlonly <!-- DOXYGEN_NAVBAR_LABEL="Tasks" --> \endhtmlonly
+ *
*
* Since most scheduling algorithms rely on a concept of task
* that can be either <em>computed</em> locally or
MSG_task_execute(). This value has to be >=0.
* \param message_size a value of the amount of data (in bytes) needed to
transfer this new task. If 0, then it cannot be transfered with
- MSG_task_get() and MSG_task_put(). This value has to be >=0.
+ MSG_task_send() and MSG_task_recv(). This value has to be >=0.
* \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.
m_task_t task = xbt_new(s_m_task_t, 1);
simdata_task_t simdata = xbt_new(s_simdata_task_t, 1);
task->simdata = simdata;
+
/* Task structure */
task->name = xbt_strdup(name);
task->data = data;
/* Simulator Data */
- simdata->host_nb = 0;
- simdata->computation_amount = compute_duration;
+ simdata->compute = NULL;
+ simdata->comm = NULL;
simdata->message_size = message_size;
- simdata->rate = -1.0;
- simdata->priority = 1.0;
- simdata->isused = 0;
+ simdata->computation_amount = compute_duration;
simdata->sender = NULL;
simdata->receiver = NULL;
- simdata->compute = NULL;
- simdata->comm = NULL;
+ simdata->source = NULL;
+ simdata->priority = 1.0;
+ simdata->rate = -1.0;
+ simdata->isused = 0;
+ simdata->host_nb = 0;
simdata->host_list = NULL;
simdata->comp_amount = NULL;
simdata->comm_amount = NULL;
return task;
}
+/** \ingroup m_task_management
+ * \brief Creates a new #m_task_t (a parallel one....).
+ *
+ * A constructor for #m_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 m_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 m_task_t
+ * \return The new corresponding object.
+ */
+m_task_t
+MSG_parallel_task_create(const char *name, int host_nb,
+ const m_host_t * host_list,
+ double *computation_amount,
+ double *communication_amount, void *data)
+{
+ m_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]->smx_host;
+
+ return task;
+}
+
+/*************** Begin GPU ***************/
+/** \ingroup m_task_management
+ * \brief Creates a new #m_gpu_task_t.
+
+ * A constructor for #m_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 m_gpu_task_t
+ * \return The new corresponding object.
+ */
+m_gpu_task_t MSG_gpu_task_create(const char *name, double compute_duration,
+ double dispatch_latency, double collect_latency)
+{
+ m_gpu_task_t task = xbt_new(s_m_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 #m_task_t.
*
task->data = data;
}
+/** \ingroup m_task_management
+ * \brief Sets a function to be called when a task has just been copied.
+ * \param callback a callback function
+ */
+void MSG_task_set_copy_callback(void (*callback)
+ (m_task_t task, msg_process_t sender, msg_process_t receiver)) {
+
+ msg_global->task_copy_callback = callback;
+
+ if (callback) {
+ SIMIX_comm_set_copy_data_callback(MSG_comm_copy_data_from_SIMIX);
+ }
+ else {
+ SIMIX_comm_set_copy_data_callback(SIMIX_comm_copy_pointer_callback);
+ }
+}
+
/** \ingroup m_task_management
* \brief Return the sender of a #m_task_t.
*
- * This functions returns the #m_process_t which sent this task
+ * This functions returns the #msg_process_t which sent this task
*/
-m_process_t MSG_task_get_sender(m_task_t task)
+msg_process_t MSG_task_get_sender(m_task_t task)
{
xbt_assert(task, "Invalid parameters");
return ((simdata_task_t) task->simdata)->sender;
}
/** \ingroup m_task_management
- * \brief Return the name of a #m_task_t.
+ * \brief Sets the name of a #m_task_t.
*
* This functions allows to associate a name to a task
*/
action = task->simdata->compute;
if (action)
- SIMIX_req_host_execution_destroy(action);
+ simcall_host_execution_destroy(action);
/* parallel tasks only */
xbt_free(task->simdata->host_list);
}
-/** \ingroup m_task_management
+/** \ingroup m_task_usage
* \brief Cancel a #m_task_t.
* \param task the task to cancel. If it was executed or transfered, it
stops the process that were working on it.
xbt_assert((task != NULL), "Invalid parameter");
if (task->simdata->compute) {
- SIMIX_req_host_execution_cancel(task->simdata->compute);
+ simcall_host_execution_cancel(task->simdata->compute);
}
else if (task->simdata->comm) {
- SIMIX_req_comm_cancel(task->simdata->comm);
+ simcall_comm_cancel(task->simdata->comm);
task->simdata->isused = 0;
}
return MSG_OK;
&& (task->simdata != NULL), "Invalid parameter");
if (task->simdata->compute) {
- return SIMIX_req_host_execution_get_remains(task->simdata->compute);
+ return simcall_host_execution_get_remains(task->simdata->compute);
} else {
return task->simdata->computation_amount;
}
{
xbt_assert((task != NULL)
&& (task->simdata != NULL), "Invalid parameter");
- XBT_DEBUG("calling SIMIX_req_communication_get_remains(%p)",
+ XBT_DEBUG("calling simcall_communication_get_remains(%p)",
task->simdata->comm);
- return SIMIX_req_comm_get_remains(task->simdata->comm);
+ return simcall_comm_get_remains(task->simdata->comm);
}
#ifdef HAVE_LATENCY_BOUND_TRACKING
{
xbt_assert((task != NULL)
&& (task->simdata != NULL), "Invalid parameter");
- XBT_DEBUG("calling SIMIX_req_communication_is_latency_bounded(%p)",
+ XBT_DEBUG("calling simcall_communication_is_latency_bounded(%p)",
task->simdata->comm);
- return SIMIX_req_comm_is_latency_bounded(task->simdata->comm);
+ return simcall_comm_is_latency_bounded(task->simdata->comm);
}
#endif
task->simdata->priority = 1 / priority;
if (task->simdata->compute)
- SIMIX_req_host_execution_set_priority(task->simdata->compute,
+ simcall_host_execution_set_priority(task->simdata->compute,
task->simdata->priority);
}
