Document some of Pierre's work

[simgrid.git] / ChangeLog

diff --git a/ChangeLog b/ChangeLog
index 97393aa..b413678 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,15 +2,6 @@ SimGrid (3.8) NOT RELEASED; urgency=low
 
  The "SimGrid makes psssshiiiit and jumps into the cloud" release.
 
 
  The "SimGrid makes psssshiiiit and jumps into the cloud" release.
 

- Cmake:
- * Remove option custom_flags. Now use environment variables CFLAGS
-   and LDFLAGS.
- * Enable tracing by default. This modules rocks you should use it.
- * Use default cmake things to detect lua instead of home grown ones.
-
- Documentation:
- * Split the doc into a user guide and a reference guide.
-

  MSG:
  * Add an experimental interface to manipulate VMs. They are mainly
    process groups with very few intrinsic semantic, but they should
  MSG:
  * Add an experimental interface to manipulate VMs. They are mainly
    process groups with very few intrinsic semantic, but they should


@@ -22,11 +13,24 @@ SimGrid (3.8) NOT RELEASED; urgency=low
  * Make it impossible to link against the wrong version of the lib
  * Bug fixes that made the host (and link) failures unusable.
  * Add a way to auto-restart process when the host in which they are
  * Make it impossible to link against the wrong version of the lib
  * Bug fixes that made the host (and link) failures unusable.
  * Add a way to auto-restart process when the host in which they are

-   executing comes back (ON_FAILURE="RESTART" on deployment file, 
+   executing comes back (ON_FAILURE="RESTART" on deployment file,

    MSG_process_auto_restart_set).
  * Use the "msg_" prefix for all datatypes (instead of m_, msg_ and MSG_),
    please stop using the old ones, they are DEPRECATED.
  * Deprecate MSG_clean(). No need to call it anymore.
    MSG_process_auto_restart_set).
  * Use the "msg_" prefix for all datatypes (instead of m_, msg_ and MSG_),
    please stop using the old ones, they are DEPRECATED.
  * Deprecate MSG_clean(). No need to call it anymore.

+ * Function MSG_get_host_number() is not deprecated anymore.
+
+ Documentation:
+ * Split the doc into a user guide and a reference guide.
+ * Start a developper guide to help people hacking on SimGrid.
+
+ Cmake:
+ * Remove option custom_flags. Now use environment variables CFLAGS
+   and LDFLAGS.
+ * Enable tracing by default. This modules rocks you should use it.
+ * Use default cmake things to detect lua instead of home grown ones.
+ * New option "enable_mallocators" to disable mallocators, for debugging
+   purpose ("on" by default).

 
  Simix:
  * Bug fixes around the resource failures: don't let the processes
 
  Simix:
  * Bug fixes around the resource failures: don't let the processes


@@ -39,6 +43,9 @@ SimGrid (3.8) NOT RELEASED; urgency=low
    the public interface anymore (bindings should be updated).
 
  SimDag:
    the public interface anymore (bindings should be updated).
 
  SimDag:

+ * Bug fix for when SD_Simulate is called with a positive value: be careful
+   when comparing doubles. Sometimes they are different for non significant
+   digits only.

  * New types of typed tasks. SD_TASK_COMP_PAR_AMDAHL represents a
    parallel task whose initial work is distributed among host according
    to the Amdahl's law. Such tasks are created with a parameter alpha
  * New types of typed tasks. SD_TASK_COMP_PAR_AMDAHL represents a
    parallel task whose initial work is distributed among host according
    to the Amdahl's law. Such tasks are created with a parameter alpha


@@ -53,26 +60,43 @@ SimGrid (3.8) NOT RELEASED; urgency=low
    communication_amount structures is now done seamlessly thanks to the chosen
    assumptions.
  * New function SD_workstation_dump to display various information
    communication_amount structures is now done seamlessly thanks to the chosen
    assumptions.
  * New function SD_workstation_dump to display various information

- * New function SD_task_set_rate to throttle the bandwidth allowed to be used 
-   by a SD_TASK_COMM_E2E typed task. This rate depends on both the nominal 
-   bandwidth on the route onto which the task is  scheduled and the amount of 
+ * New function SD_task_set_rate to throttle the bandwidth allowed to be used
+   by a SD_TASK_COMM_E2E typed task. This rate depends on both the nominal
+   bandwidth on the route onto which the task is  scheduled and the amount of

    data to transfer.
    To divide the nominal bandwidth by 2, the rate then has to be :
                      rate = bandwidth/(2*amount)
  * Compute tasks that have failed can now be rescheduled and executed again
    (from their beginning)
    data to transfer.
    To divide the nominal bandwidth by 2, the rate then has to be :
                      rate = bandwidth/(2*amount)
  * Compute tasks that have failed can now be rescheduled and executed again
    (from their beginning)

- * Increasing source code coverage (src/simdag is now covered at 91.5%
+ * Increasing source code coverage (src/simdag is now covered at 95.8%

    on average)
    on average)

-   
+

  SMPI:
  * Re-implement time-independent trace replay using SMPI (at the
    smpi_smp_* level) instead of MSG. This should replace
    examples/msg/actions/actions.c
  SMPI:
  * Re-implement time-independent trace replay using SMPI (at the
    smpi_smp_* level) instead of MSG. This should replace
    examples/msg/actions/actions.c

+ * Implement support of MPI Datatypes (vectors, hvectors, indexed, 
+   hindexed and structs)
+ * Implement the exchange of non-contiguous data.
+   [Khalid Hasanov & Jean-Noel Quintin] Thanks for the patch, guys.
+ * Correct behavior of smpi/sender_gap and set its default value to 0
+ * Add option to asynchronously send small messages to allow better 
+  simulation of pt2pt communications. --cfg=smpi/async_small_threshold:value 
+  specifies the size in bytes under which messages will be asynchronously sent.
+ * Add support of MPI_Iprobe, MPI_Probe, MPI_Testall, MPI_Wtick functions
+ * SMPI now handles more MPI specific values in input. Closes [#14389] and [#14388] 
+ 

    
    

+ SimGrid:
+ * Export a sg_cmdline dynar containing all the arguments we got from
+   the command line.
+

  XBT:
  * Functions xbt_dict_hash() and xbt_dict_hash_ext() are made public,
    and renamed to xbt_str_hash() and xbt_str_hash_ext().
  * New function: xbt_os_timer_resume() to restart a timer w/o resetting it.
  XBT:
  * Functions xbt_dict_hash() and xbt_dict_hash_ext() are made public,
    and renamed to xbt_str_hash() and xbt_str_hash_ext().
  * New function: xbt_os_timer_resume() to restart a timer w/o resetting it.

+ * Greatly improve the robustness of mmalloc to user errors (such as
+   using an area after freeing it, or freeing it twice)

 
  -- $date Da SimGrid team <simgrid-devel@lists.gforge.inria.fr>
 
 
  -- $date Da SimGrid team <simgrid-devel@lists.gforge.inria.fr>