Bundle documentation updated.

doc/chapters/advanced-api.texi

@@ -147,41 +147,25 @@ hint given to the scheduler as there is no guarantee that they will be
 executed on the same worker.
 @end deftp
 
-@deftypefun void starpu_task_bundle_init ({starpu_task_bundle_t *}@var{bundle})
-Initialize a task bundle
-@end deftypefun
-
-@deftypefun void starpu_task_bundle_deinit (starpu_task_bundle_t @var{bundle})
-Deinitialize a bundle.
+@deftypefun void starpu_task_bundle_create ({starpu_task_bundle_t *}@var{bundle})
+Factory function creating and initializing @var{bundle}, when the call returns, memory needed is allocated and @var{bundle} is ready to use.
 @end deftypefun
 
 @deftypefun int starpu_task_bundle_insert (starpu_task_bundle_t @var{bundle}, {struct starpu_task *}@var{task})
-Insert a task into a bundle.
+Insert @var{task} in @var{bundle}. Until @var{task} is removed from @var{bundle} its expected length and data transfer time will be considered along those of the other tasks of @var{bundle}.
+This function mustn't be called if @var{bundle} is already closed and/or @var{task} is already submitted.
 @end deftypefun
 
 @deftypefun int starpu_task_bundle_remove (starpu_task_bundle_t @var{bundle}, {struct starpu_task *}@var{task})
-Remove a task from a bundle. This method must be called with
-bundle->mutex hold. This function returns 0 if the task was found,
--ENOENT if the element was not found, 1 if the element is found and if
-the list was deinitialized because it became empty.
+Remove @var{task} from @var{bundle}.
+Of course @var{task} must have been previously inserted @var{bundle}.
+This function mustn't be called if @var{bundle} is already closed and/or @var{task} is already submitted. Doing so would result in undefined behaviour.
 @end deftypefun
 
 @deftypefun void starpu_task_bundle_close (starpu_task_bundle_t @var{bundle});
-Close a bundle. No task can be added to a closed bundle. A closed
-bundle automatically gets deinitialized when it becomes empty.
-@end deftypefun
-
-@deftypefun double starpu_task_bundle_expected_length (starpu_task_bundle_t @var{bundle}, {enum starpu_perf_archtype} @var{arch}, unsigned @var{nimpl})
-Return the expected duration of the entire task bundle in µs.
+Inform the runtime that the user won't modify @var{bundle} anymore, it means no more inserting or removing task. Thus the runtime can destroy it when possible.
 @end deftypefun
 
-@deftypefun double starpu_task_bundle_expected_data_transfer_time (starpu_task_bundle_t @var{bundle}, unsigned {memory_node})
-Return the time (in µs) expected to transfer all data used within the bundle
-@end deftypefun
-
-@deftypefun double starpu_task_bundle_expected_power (starpu_task_bundle_t @var{bundle},  {enum starpu_perf_archtype} @var{arch}, unsigned @var{nimpl})
-Return the expected power consumption of the entire task bundle in J.
-@end deftypefun
 
 @node Task Lists
 @section Task Lists