X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/24c1752e17da13d99d02faa833bf2397a56c12af..630826a8a0ec1b3a27ee96f80afa7af9a6b7f2de:/ChangeLog diff --git a/ChangeLog b/ChangeLog index 4f77382963..e1df82b8dd 100644 --- a/ChangeLog +++ b/ChangeLog @@ -16,6 +16,27 @@ Important user-visible changes: Options network/loopback-lat and network/loopback-bw have been added to adapt these values if needed. Network and routing models already providing separate loopbacks (clusters and such) are not impacted by this change. + - SMPI now adds 16 bytes of header to each message sent, in order to simulate + metadata that are added to each MPI message by MPI libraries (tag, + src/dest, and communicator information). This may change simulation times + for very small message sizes, but should be more realistic. + +S4U: + - the on_exit() of each actor is also executed when the simulation deadlocks. + +SMPI: + - Update proxy apps coverage of new ECP apps: 60+ apps now tested nightly on + https://framagit.org/simgrid/SMPI-proxy-apps + - MPI/IO: supports names starting with "./" + - Fortran: many MPI/IO bindings, support for MPI_UB/LB, C MPI_INT/FLOAT/DOUBLE + datatypes. + - smpicc/cxx/ff/f90 now will actually perform definition checks at link time. When + building shared libraries, this may cause issues, so environment variable + SMPI_NO_UNDEFINED_CHECK can be added to disable this. + +C binding: + - The return type of the sg_actor_on_exit() callbacks is now 'void' + (int value was previously ignored) General: - LTO is now enabled for Intel/clang compilers. @@ -35,8 +56,10 @@ Fixed bugs (FG#.. -> FramaGit bugs; FG!.. -> FG merge requests) - FG#41: Add sg_actor_create C interface - FG#43: xbt::random needs some care - FG#48: The Impossible Did Happen (yet again) + - FG#50: Suspending an actor executed at the current timestamp fails - FG!24: Documentation and fix for xbt/random - FG!35: Add a modeling hint for parallel links in doc + - FG!36: [xbt/random] Read/Write the state of the RNG - GF#18137: Allow different stack sizes? - GH#128: Parallelization of simulation with --cfg=contexts/nthreads - GH#139: Allow pthread creation in SMPI