X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/e67ac1af2f9b63986e5fd3efb9e46c5d022ce975..0a6e013f154a3585c7ff659b2272eb5707c11a78:/ChangeLog diff --git a/ChangeLog b/ChangeLog index 444bfc2465..9f70fdbcc1 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,13 +1,22 @@ -SimGrid (3.16) UNRELEASED +SimGrid (3.17) UNRELEASED (release target: September 22 2017) + + S4U + - Comm.detach(): start and forget about asynchronous emission + - this_actor::send(mailbox) is now mailbox->put() + +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 - - 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 @@ -15,32 +24,63 @@ SimGrid (3.16) UNRELEASED * 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 + -- Thu Jun 22 22:48:12 CEST 2017 -- Da SimGrid team -SimGrid (3.15) stable; urgency=low +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: @@ -129,9 +169,7 @@ 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. @@ -141,9 +179,7 @@ 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 @@ -241,8 +277,6 @@ 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.