X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/b781a81f89c29247fea9b556c4aff2bb33c1ce7a..4e194aa6e85bdaafc9d69876bd7d2e79c74d5502:/ChangeLog diff --git a/ChangeLog b/ChangeLog index 5baeebbf68..5cdf3a6b5a 100644 --- a/ChangeLog +++ b/ChangeLog @@ -3,23 +3,39 @@ SimGrid (3.12) NOT RELEASED; urgency=low cMSG: * Interface improvement: - Rename MSG_host_is_avail(h) to MSG_host_is_on(h) + - Massive cleanups in the functions related to the energy jMSG: * Interface improvement: - Rename Host.isAvail() to Host.isOn() + SIMIX: * New functions - SIMIX_process_throw: raises an exception in a remote process + * Refactoring: Separate submodules + - libsmx: the public interface, as libc in a real system + - popping: the strange dance that converts a user request into a kernel handling + - smx_context_*: the virtualization mechanisms that embeed the user code + - smx_*: the handling of each simcalls + * Rename smx_action_t into smx_synchro_t, making explicit that these + things are used to synchronize processes with their environment. + For example, a communication is a sort of synchronization involving + the communicating processes (that may block until the exchange) and + the platform. The same can be said from computations, etc. + SMPI: * New functions - Onesided early support for : MPI_Win_(create, free, fence, get_name, set_name, get_group), MPI_Get, MPI_Put, MPI_Accumulate, MPI_Alloc_mem, MPI_Free_mem. - MPI_Keyval*, MPI_Attr* functions, as well as MPI_Comm_attr*, MPI_Type_attr* variants (C only, no Fortran support yet) - MPI_Type_set_name, MPI_Type_get_name - MPI_*_c2f and MPI_*_f2c functions + - MPI_Info_* functions (beware, get_nthkey may not follow the insertion order) + - MPI_Pack, MPI_Unpack and MPI_Pack_size functions - Activate a lot of new tests from the mpich 3 testsuite * Features - Constant times can be injected inside MPI_Wtime and MPI_Test through options smpi/wtime and smpi/test - InfiniBand network model added : Based on the works of Jerome Vienne (http://mescal.imag.fr/membres/jean-marc.vincent/index.html/PhD/Vienne.pdf ) - When smpi/display_timing is set, also display global simulation time and application times + - Have smpirun, smpicc and friends display the simgrid git hash version on --git-version * Collective communications - SMP-aware algorithms are now dynamically handled. An internal communicator is created for each node, and an external one to handle communications between "leaders" of each node - MVAPICH2 (1.9) collective algorithms selector : normal and SMP algorithms are handled, and selection logic is based on the one used on TACC's Stampede cluster (https://www.tacc.utexas.edu/stampede/). @@ -37,11 +53,16 @@ SimGrid (3.12) NOT RELEASED; urgency=low * Bug fixes - "Full" network optimization flag was broken since Surf++ - Better handling of precision flags in maxmin - - Fix bug causing sometimes "Impossible" errors + - Fix bug causing sometimes "Impossible" errors + - Properly pass cluster properties to included hosts + * Improvement of the Energy plugin. + - Always update the consumption before returning that value + - New property: watt_off to denote the disipation when the host is off XBT * New functions - Add a xbt_heap_update function, to avoid costly xbt_heap_remove+xbt_heap_insert use - Add a xbt wrapper for simcall_mutex_trylock (asked in [#17878]) + - Add two new log appenders : rollfile and splitfile. Patch by Fabien Chaix. -- $date Da SimGrid team