X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/3510c8b5311a986d920eed407f5aebd36722a7a5..df3ad0d4587485a331f5b9376bbfe196a2ec9067:/ChangeLog diff --git a/ChangeLog b/ChangeLog index 391b915d35..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 @@ -83,17 +96,36 @@ SimGrid (3.3.4) unstable; urgency=low XBT: * New function: xbt_dynar_dopar(dynar,fun) to map a function over the dynar with one separate thread per value of the dynar. + * Change the prototype of xbt_thread_create(), sorry. + Added a boolean parameter indicating whether we want to join this + thread (used in SG only for now) + * Implement xbt_thread_join and xbt_thread_yield in SG also. Bug fixes: * GTNetS wrappers should now be usable again (and betterly tested too) * Fix a major regression from 3.2 where the timeout provided to MSG_task_put_with_timeout() was used as absolute time before which the comm should be done. + * Start to fix the tag. + - Internal links should be good now (beside of the loopback, which + use the private link instead) + - paths to the external world is still rather broken + - the tag is just broken. Actually that's brain-dead. + We need sth like + to make it less stupid + ** Check your platform with teshsuite/simdag/platforms/flatifier ** * Fix a source-level compatibility glitch from 3.2: after defining MSG_USE_DEPRECATED, you can use the old name MSG_task_put_with_time_out() for MSG_task_put_with_timeout() * Allow to compile from the SVN with automake 1.11 * Fix some problems when using the "start_time" tag in deployment XMLs. + * Fix #8569: XBT/synchro.h has redundant declarations + * Fix #8563: MSG return values and exceptions + 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