X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/a60db7db98ac9e60384b1009120ae009bebc8c24..0baa9a3e98e8f0fe501150dd86edd6c20a120e42:/ChangeLog diff --git a/ChangeLog b/ChangeLog index 6ca3d3e3a8..f3bcfcb430 100644 --- a/ChangeLog +++ b/ChangeLog @@ -3,36 +3,72 @@ SimGrid (3.16) UNRELEASED Portability status: - FreeBSD: Disable SMPI mmap privatization, switch automatically to dlopen. - Mac, BSD: dlopen+thread broken, switch automatically to raw contexts. + - Java JAR file should be finally fully working on Mac OSX too. XML platforms: Switch to platform v4.1 format. - * This is a backward compatible change: v4 are valid v4.1 files + * This is (mainly) a backward compatible change: v4 are valid v4.1 files - can be used as a synonym for the now deprecated - - an be used as a synonym for the now deprecated + - can be used as a synonym for the now deprecated - an be used as a synonym for the now deprecated - can be used as a synonym for the now deprecated - state_file and avail_file periodicity is now easier to express (check the documentation) the old behavior should still work. + * Storage: not backward compatible, but it seems that nobody ever used it + - Remove attribute 'content_type' of : was never used + - Make attribute 'model' of optional: for future usage + - Remove Bconnection model property: was never (in)validated. Replaced by + the maximum of the read and write bandwidth as a resource constraint. SimDag - - New and Backwards Compatibility break: + - New and Backwards Compatibility break: SD_simulate_with_update (double how_long, xbt_dynar_t changed_tasks_dynar) When one wants to get the list of tasks whose states have changed during a - simulation round, s/he has to allocate and free a dynar and use it as argument - to this function. The former SD_simulate (double how_long) now returns void. + simulation round, s/he has to allocate and free a dynar and use it as + argument to this function. The former SD_simulate (double how_long) + now returns void. + + Virtual Machines + - Allow multicore VMs, with the correct sharing (unless you overcommit) + BUG: vCPU overcommitting still leads to buggy sharing, though. WIP. + + Energy + - New function to update the consumption of all hosts at once. + - Fix the model for multi-core hosts, linear in the amount of busy + cores with an abnormality for pIdle (see paper). + BUG: Still not satisfactory for ptask on mono-cores. MSG - - The netzone are now available from the MSG API. + - The netzone are now available from the MSG API. The old names still work, but are now deprecated. SMPI - New algorithm to privatize globals: dlopen, with dynamic loading tricks - New option: smpi/keep-temps to not cleanup temp files + - New option : smpi/shared-malloc-blocksize . Relevant only when global shared + mallocs mode is used, allows to change the size of the fake file used + (default 1MB), to potentially limit the number of mappings for large runs. + - Support for sparse privatized malloc with SMPI_PARTIAL_SHARED_MALLOC() + - Fortran ifort and flang compilers support + - New RMA calls supported (experimental) : + - MPI_Win_allocate, MPI_Win_create_dynamic, MPI_Win_attach + - MPI_Win_detach, MPI_Win_set_info, MPI_Win_get_info + - MPI_Win_lock_all, MPI_Win_unlock_all, MPI_Win_flush + - MPI_Win_flush_local, MPI_Win_flush_all, MPI_Win_flush_local_all + - MPI_Op_commutative, MPI_Fetch_and_Op, MPI_Compare_and_swap + - MPI_Rput, MPI_Rget, MPI_Raccumulate, MPI_Rget_accumulate + + S4U + - New: this_actor::isMaestro() returns whether we are in kernel mode. + - Behind the scene, ActivityImpl are now automatically refcounted. + Removing this nasty bottleneck will greatly simplify our internals. XBT - Replay: New function xbt_replay_action_get(): Retrieve the function previously associated to an event type. - DROPPED FUNCTION: xbt_str_varsubst() - DROPPED MODULE: strbuff. We don't need it anymore. + - DROPPED MODULE: matrix. We don't need it anymore. + - DROPPED MODULE: lib. We don't need it anymore. -- Release target: June 21 2017 -- Da SimGrid team