X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/c19ddaff7936b6e982ac24b571007399a32a0d90..1fd91c16cd08f9f18179241091be71423fff55ae:/ChangeLog diff --git a/ChangeLog b/ChangeLog index d90ded4ba1..eba13d80fc 100644 --- a/ChangeLog +++ b/ChangeLog @@ -43,15 +43,28 @@ SimGrid (3.3.4) unstable; urgency=low This new model is more realistic than the previous one, so you should consider redoing your old experiments with this model. Sorry for the inconvenience. + + Build System: + * Introduce the supernovae compilation mode + When compiled that way, the whole SimGrid (or almost) is put in a + single compilation unit and compiled in one shoot. + This is to help gcc which has difficulties to inline stuff from one + file into another. + The speedup seem to be above 15%, althrough more tests are needed on + amd64 to confirm that gain. MSG: * Port of MSG's mailbox on top of SIMIX network - The put/get mechanism was greatly simplified thanks to the new SIMIX module. + The put/get mechanism was greatly simplified on the way. SIMIX: - * New SIMIX network module - It provides a rendez-vous point (aka mailbox) based send/recv API to perform - synchronous communication. + * New SIMIX network module. Provides: + - Mailbox: rendez-vous mecanism to find with who you want to speak + - Synchronous send/recv: easier and hopefully faster since the + logic is handled in the maestro process directly now + - Asynchronous send/recv: you dreamt of it? It's here now + Too bad that nobody cared enough to propagate the change to MSG. + * Add semaphores as SIMIX synchronization mechanism. SimDag: * new function SD_daxload(char*) to load a DAX file @@ -111,6 +124,8 @@ SimGrid (3.3.4) unstable; urgency=low Introduce a MSG_TIMEOUT_FAILURE return code and use it consistently. * Integrate patch #8636: Obey DESTDIR when installing documentation. Thanks to Robson Peixoto. + * Fix a vicious bug in dictionaries inducing that some elements were + not freed on xbt_dict_free() -- Da SimGrid team