X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/d8596c05e7d798e90ae149f20ef766671f1a778f..98d26a03f85fec0891fd520a430a1feabd069dce:/ChangeLog diff --git a/ChangeLog b/ChangeLog index a1b664aae9..a66b55188f 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,16 +1,32 @@ -SimGrid (3.22) NOT RELEASED (Release Target: December 21. 2018, 22:23 UTC) +SimGrid (3.23) NOT RELEASED (Release Target: June 21. 2019, 15:54 UTC) -The Sneaky Release. +XBT: + - Drop xbt_dict_dump. + +Fixed bugs: + - #326: Valgrind-detected error for join() when energy plugin is activated + +---------------------------------------------------------------------------- + +SimGrid (3.22) April 1. 2019 + +The Easter Chrismas Release (this one is somewhat late). Python: - We are excited to introduce the SimGrid/S4U interface to your neighborhood - Not complete yet: asynchronous activities (amongst others) are still missing - - Still ongoing: the interface may change a bit in the future (please - report any glitches), but it seems rather fast and reliable already. - - Forget about Java now (and soon about C++) - -Core: - - Replace our own code to display a backtrace (that was forking addr2line) + - Still ongoing: the interface may change in the future. We need more + testers! Please report any glitches. + - No new project using Java should start now. Please switch to Python. + +General: + - Some of the internal cleanups may lead to speed improvements: + - The hard limitation on the amount of simulated actors with + Java+Mac was removed. Now, the available memory is the only limit. + - Our refcounting was tidyied, leading to 10% speedups in some cases. + - We are still working on making our code robust to the actor kills + and hosts' churn. Things are improving, but it's not perfect yet. + - Replaced our own code to display a backtrace (that was forking addr2line) with the Boost.Stacktrace library. You won't see your backtraces without this optional dependency. - Bump cmake dependency to 3.5 (provided by Ubuntu 16.04). @@ -36,6 +52,21 @@ MSG: Now use (int,void*) callbacks instead of (void*,void*) ones. The implementation was ways too messy to actually work, I guess. +SMPI: + - Change the way SMPI_SAMPLE_* macros work to avoid invalidating cache + too often and provide more accurate timings. + - Add -gdb, -lldb, and -vgdb shortcuts to help debug MPI codes with smpirun + - MPI_Alltoallw support + - Partial MPI nonblocking collectives implementation: MPI_Ibcast, MPI_Ibarrier, + MPI_Iallgather, MPI_Iallgatherv, MPI_Ialltoall, MPI_Ialltoallv, MPI_Igather, + MPI_Igatherv, MPI_Iscatter, MPI_Iscatterv, MPI_Ialltoallw, MPI_Ireduce, + MPI_Iallreduce, MPI_Iscan, MPI_Iexscan, MPI_Ireduce_scatter, + MPI_Ireduce_scatter_block, with fortran bindings. + - MPI_Request_get_status, MPI_Status_set_cancelled, MPI_Status_set_elements + support, MPI_Comm_get_name, MPI_Comm_set_name + - Basic implementation of generalized requests (SMPI doesn't + allow MPI_THREAD_MULTIPLE) : MPI_Grequest_complete, MPI_Grequest_start + XBT: - Drop sg_cmdline. Please use xbt_cmdline instead. - Drop the C xbt_os_mutex_t; Use the C++11 std::mutex. @@ -48,6 +79,7 @@ XBT: -fsplit-stack is the way to go nowadays when using threads. - Drop the xbt_os_thread_t module (now unused) - Drop xbt_ex_display(), use simgrid::xbt::log_exception() instead. + - Drop xbt_str_join_array(). - Drop cunit, use Catch2 instead. Kernel: @@ -56,11 +88,13 @@ Kernel: Fixed bugs: - #132: Java: a process can not shut down its own host + - #220: S4U: detached send causes exception if sender terminates soon after sending - #261: Document the parameters of parallel execution's constructor - #300: [s4u] BarrierPtr is missing - #314: SMPI args internal cleanup - #316: Fix a bug related to the CPU utilization of multi-core VM - #318: Invalid trace file when using option --cfg=tracing/smpi/display-sizes:yes + - #324: S4U: Attempting to create an actor on turned off host segfaults instead of throwing - #325: Turning off a host has different behavior on sleeping actors and computing actors ----------------------------------------------------------------------------