X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/d6ba60ce19ac593de280c8dd791ee33d1df81bb9..e59b26851e3ef00718eda1b926fe6ae8b3bb074e:/ChangeLog diff --git a/ChangeLog b/ChangeLog index 08789773d7..6c8a529f28 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,9 +1,51 @@ ---------------------------------------------------------------------------- -SimGrid (3.24.1) NOT RELEASED YET (v3.25 expected December 22. 2029, 04:19 UTC) +SimGrid (3.25.1) UNRELEASED (target: March 20 2020 or v3.26 on 3/26/20) + + +---------------------------------------------------------------------------- + +SimGrid (3.25) February 2. 2020 (aka 02 02 2020) + +The Palindrom Day Release. + +Important user-visible changes: +- Improve the Python usability (stability and documentation). + - A nasty synchronization bug was ironed out, see also below. + - Python's doc was organized as a separate tree, now integrated with C++. + - C bindings of S4U were not part of the doc. + - The C++ doc was also improved as methods are now split by theme. +- Further deprecate MSG: you now have to pass -Denable_msg=ON to cmake. + - This is mandatory to use the Java bindings. + - OFF by default; The plan is to completely remove MSG by 2020Q4 or 2021Q1. +- SimDAG++: Automatic dependencies on S4U activities (experimental) + - Some features are already implemented but not all of them + - Cannot block an activity until it's scheduled on a resource + - No heterogeneous wait_any() that would mix Exec/Comm/Io activities. + - See examples/s4u/{io,exec,comm}-dependent for what's already there. + + + +General: +- Upgrade documented Java dependency to Java 8 (earlier versions don't work). +- Drop support for Viva/Triva (old visualization tools), hence removed + TRACE_get_node_types() and TRACE_get_edge_types() functions. + +Python: +- Require pybind11 version 2.4. +- Greatly improve locking during context switches with Python. + - Declaring Python callbacks to this_actor::on_exit is now working. + - No more tests are failing currently, even on win32. S4U: - Actor: Merge signals on_migration_start/end into on_host_change +- Actor: Rename migrate() into set_host() +- Disk: Allow users to get the read and write nominal bandwidth values +- Exec: Implement wait_for(timeout) +- Io: Implement wait_for(timeout) + +XML: +- Parse errors now raise a simgrid::ParseError that you may want to catch. Kernel: - In simgrid::kernel::resource::Model, the methods next_occuring_event*() have @@ -14,12 +56,49 @@ Kernel: XBT: - Remove unused parameter 'free_ctn' for xbt_dict_set() and xbt_dict_set_ext(). +- Drop unused functions for dicts and dynars: xbt_dict_cursor_get_elm, + xbt_dict_get, xbt_dict_get_elm, xbt_dict_get_ext, xbt_dict_get_key, + xbt_dict_remove, xbt_dict_reset, xbt_dynar_compare, xbt_dynar_dump, + xbt_dynar_foreach_ptr, xbt_dynar_free_data, xbt_dynar_free_voidp, + xbt_dynar_init, xbt_dynar_insert_at_as, xbt_dynar_merge, + xbt_dynar_remove_n_at, xbt_dynar_replace, xbt_dynar_search, xbt_dynar_set. +- New module: random, providing classical random numbers generators. + +SMPI: +- New option : "smpi/auto-shared-malloc-thresh" which sets a value for + allocations' size above which they are considered "shared" by default (as if + they were performed through SMPI_SHARED_MALLOC macros). + Default = 0 = disabled feature. + Note : malloc, calloc and free are now overriden by smpicc/cxx by default. + This can cause some troubles if codes are already overriding these. If this + is the case, defining SMPI_NO_OVERRIDE_MALLOC in the compilation flags can + help, but will make this feature unusable. +- Input check is now performed much more consistently and outputs precise + warnings for each error found +- New supported calls : MPI_File_set_view, MPI_File_get_view +- MPI I/O now only supports disks, as storage is discontinued. +- MPI I/O allows opening files without specifying absolute path +- Note : SMPI configuration options are now initialized by smpi_init_options() + call, which should be called if SMPI is not being used through smpirun. Fixed bugs (FG#.. -> framagit bugs; FG!.. -> framagit merge requests): + - FG#9: Python bindings crashing + - FG#39: Missing s4u::Comm::wait_any_for example + - FG#42: Add support for ThreadSanitizer (TSan) + - FG!19: Removing RngStream + - FG!20: A module for RNG calls + - FG!21: Choice between ad-hoc and standard distributions implementations + - FG!23: Master + - FG!25: Fix link in Mutex doc + - FG!26: Fix links in SMPI interface doc - GH#31: [MC] please provide an option to make MPI_Send asynchronous - GH#305: Unscheduled tasks are still excuted + - GH#313: smpirun: manual outdated w.r.t. --help + - GH#321: [S4U] Get task remaining work ratio - GH#323: Crash when an actor turn off his physical host - - FG!19: Removing RngStream + - GH#335: Missing links on dragonfly example svg + - https://lists.gforge.inria.fr/pipermail/simgrid-user/2019-November/004653.html: + MPI_Cart_sub was not working properly. Kudos to Jonathan Borne for the report. ---------------------------------------------------------------------------- @@ -665,7 +744,7 @@ SimGrid (3.18) Released December 24 2017 - #230: segfaults when exit() without run() - #225: s4u::Actor::kill() doesn not really kill victims in a join() - #223: MSG_task_get_flops_amount() not working with parallel tasks - - #222: Actor::kill() doesn't really kill and segfaults + - #222: Actor::kill() doesn't really kill and segfaults - #221: odd LMM warning when killing an actor - #120: Memory leak when the processes are forcefully killed