X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/08e94eb0482589e4b287cbea301b84daf52635bd..92cbaa683aa7824d7ad1b7f1702dec27e1c6eefb:/ChangeLog diff --git a/ChangeLog b/ChangeLog index 28d9dd1594..d29c3f7976 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,17 +1,72 @@ -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) -Java: - - Process termination which was broken at version 3.21 has been repaired. - - Expose host load plugin: loadInit, getCurrentLoad, getComputedFlops, getAvgLoad - - Hide the examples into examples/deprecated. New users should use Python. +General: + - Stop setting random seed with srand48() at initialization. + - Use addr2line as a fallback for stacktraces when backtrace is not available. + - Build option -Denable_documentation is now OFF by default. + +XBT: + - New log appenders: stdout and stderr. Use stdout for xbt_help. + - Drop xbt_dict_dump. -Core: - - Replace our own code to display a backtrace (that was forking addr2line) +SMPI: + - SMPI now reports support of MPI3.1. This does not mean SMPI supports all MPI 3 calls, but it was already the case with 2.2 + - MPI/IO is now supported over the Storage API (no files are written or read, storage is simulated). Supported calls are all synchronous ones. + - MPI interface is now const correct for input parameters + +Model-checker: + - Remove option 'model-check/record': Paths are recorded in any cases now. + +Fixed bugs (FG=FramaGit; GH=GitHub): + - FG#1: Broken link in error messages + - FG#2: missing installation documentation + - FG#3: missing documentation in smpirun + - FG#7: simple cmake call requires doxygen + - FG#10: Can not use MSG_process_set_data from SMPI any more + - FG#11: Auto-restart actors forget their on_exit behavior + - FG#12: -Denable_lto=OFF doesn't disable LTO + - FG#13: Installs unstripped file 'bin/graphicator' + - FG#14: Installs the empty directory 'doc/simgrid/html' + - FG#15: Setting -Denable_python=OFF doesn't disable the search for pybind11 + - GH#133: Java: a process can run on a VM even if its host is off + - GH#320: Stacktrace: Avoid the backtrace variant of Boost.Stacktrace? + - GH#326: Valgrind-detected error for join() when energy plugin is activated + +---------------------------------------------------------------------------- + +SimGrid (3.22) April 1. 2019 + +The Easter Christmas 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 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). - Stop setting random seed with srand() at initialization. +XML + - In and , 'availability_file' is now 'speed_file'. + XML file version remains 4.2 since old files are still compatible. + +Java: + - Process termination which was broken at version 3.21 has been repaired. + - Expose host load plugin: loadInit, getCurrentLoad, getComputedFlops, getAvgLoad + - Hide the examples into examples/deprecated. New users should use Python. + MSG: - Drop MSG_process_create_from_stdfunc() from the API. This C++ function was a pimple in the C API, made necessary at some @@ -23,6 +78,21 @@ 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. @@ -35,23 +105,22 @@ 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. -XML - - In and , availability_file is now speed_file. - XML file version remains 4.2 since old files are still compatible. - -Internal: +Kernel: - Many cleanups in the kernel::activity namespace. This was long overdue, and shall open the path to many future endeavors. Fixed bugs: - - #132: Java : a process can not shut down its own host + - #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 ---------------------------------------------------------------------------- @@ -2996,7 +3065,7 @@ SimGrid (3.0.1) stable; urgency=low the pthread backend. It caused some weird deadlock or behavior depending on the pthread implementation. [AL] * Bugfix: get the exceptions raised in the simulator repport where - and why they come from when they are not catched in time [AL, MQ] + and why they come from when they are not caught in time [AL, MQ] SURF: * Bugfix: Do repport the error when two non-connected hosts try to @@ -3088,7 +3157,7 @@ SimGrid (2.96) unstable; urgency=low * New! Exception handling with setjmp or such (code from OSSP ex) [MQ] This deprecates the xbt_error_t mechanisms. It modifies (simplifies) all XBT and GRAS API. - MSG API keeps unchanged (exceptions raised by XBT are catched from + MSG API keeps unchanged (exceptions raised by XBT are caught from within MSG and masked with existing error handling facilities) SURF: