X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/eec71bd2b9dc936d9d954e6b6483f9c58c5cb697..47fa64212246f06d6f2606de23ccba9809765e59:/ChangeLog diff --git a/ChangeLog b/ChangeLog index 8cd98cee3c..a7ca01b959 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,18 +1,82 @@ -SimGrid (3.16) UNRELEASED +SimGrid (3.17) UNRELEASED (release target: September 22 2017) + +SimGrid (3.16) Released June 22. 2017. + + The Blooming Spring Release: developments are budding. + + 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 (mainly) a backward compatible change: v4 are valid v4.1 files + - can 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: - 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. + SimDag + - 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. + + 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 old names still work, but are now deprecated. -SMPI - - New algorithm to privatize globals: dlopen, with dynamic loading tricks + 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 - -- Release target: June 21 2017 -- Da SimGrid team + 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. -SimGrid (3.15) stable; urgency=low + 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. + + -- Thu Jun 22 22:48:12 CEST 2017 -- Da SimGrid team + +SimGrid (3.15) Released March 22. 2017 The Spring Release: continuous integration servers become green We fixed even the transient bugs on all target architectures: @@ -101,9 +165,7 @@ SimGrid (3.15) stable; urgency=low - A can now be created with different speed values to represent pstates. see examples/platforms/energy_cluster.xml for an example. - -- Wed Mar 22 17:50:21 CET 2017 -- Da SimGrid team - -SimGrid (3.14.159) stable; urgency=low +SimGrid (3.14.159) Released December 28. 2016 The previous release was only a crude approximation of a Pi release; this one should be a bit better. @@ -113,9 +175,7 @@ SimGrid (3.14.159) stable; urgency=low - Improve the documentation, in particular of the routing module. - Integrate some patches flying around in Debian. - -- Wed Dec 28 17:14:49 CET 2016 Da SimGrid team - -SimGrid (3.14) stable; urgency=low +SimGrid (3.14) Released December 24. 2016 Documentation * The whole documentation was reworked and reorganized. There is @@ -213,8 +273,6 @@ SimGrid (3.14) stable; urgency=low * Memory usage should be decreased for simulations with a large number of processes. This also helps for SMPI. - -- Sat Dec 24 22:34:26 CET 2016 Da SimGrid team - SimGrid (3.13) stable; urgency=low The Half Release, a.k.a. the Zealous Easter Trim.