X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/cf43f7d6117d1e5b8c55ebee06711c70f5bbca48..de83dfa52b003b652ef954490f1ff75b251fdf19:/ChangeLog diff --git a/ChangeLog b/ChangeLog index 9fc7013d64..9ae720e54c 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,13 +1,15 @@ SimGrid (3.32.1) not released yet (target december 22) General: + - SimGrid now requires a compiler with C++17 support for public headers too. + Sibling projects should upgrade their FindSimGrid.cmake - Remove the MSG API: its EOL was scheduled for 2020. - Remove the Java bindings: they were limited to the MSG interface. - On Windows, you now need to install WSL2 as the native builds are now disabled. It was not really working anyway. - Support for 32bits architecture is not tested anymore on our CI infrastructure. It may break in the future, but we think that nobody's using SimGrid on 32 bits. - - Remove the surf module. It was replaced by the kernel/models module, and that + - Remove the surf module. It was replaced by the kernel/models module, and that refactoring took almost 10 years to properly complete. S4U: @@ -15,10 +17,29 @@ S4U: Comm::set_payload_size() to change the size of the simulated data. - New function: Engine::flatify_platform(), to get a fully detailed vision of the configured platform. + - New Task abstraction: They are designed to represent dataflows, i.e, graphs of repeatable Activities. + See the examples under examples/cpp/task-* and the associated documentation. - Full simDAG integration: Activity::start() actually starts only when all dependencies are fullfiled. If it cannot be started right away, it will start as soon as it becomes possible. - Allow to set a concurrency limit on disks and hosts, as it was already the case for links. + - Rename Link::get_usage() to Link::get_load() for consistency with Host:: + - Every signal now come with a static version that is invoked for every object of that class, + and an instance version that is invoked for this specific object only. For example, + s4u::Actor::on_suspend_cb() adds a callback that is invoked for the suspend of any actor while + s4u::Actor::on_this_suspend_cb() adds a callback for this specific actor only. + - Activity::on_suspended_cb() is renamed to Activity::on_suspend_cb(), and fired right before the suspend. + - Activity::on_resumed_cb() is renamed to Activity::on_resume_cb(), and fired right before the resume. + - Resource::on_state_change_cb() is renamed to Resource::on_onoff_cb() to distinguish from the + Activity::on_state_change_cb() that is related to the activity state machine, not on/off. + - Activity signals (veto, suspend, resume, completion) are now specialized by activity class. + That is, callbacks registered in Exec::on_suspend_cb will not be fired for Comms nor Ios. + +New S4U plugins: + - Battery: Enable the management of batteries on hosts. + See the examples under examples/cpp/battery-* and the documentation in the Plugins page. + - Photovoltaic: Enable the management of photovoltaic panels on hosts. + See the examples under examples/cpp/photovoltaic-* and the documentation in the Plugins page. Kernel: - optimize an internal datastructure (use a set instead of a list for ongoing activities), @@ -57,8 +78,8 @@ Model checking: - Synchronize the MBI tests with upstream. - Show the full actor bactraces when replaying a MC trace (with model-check/replay) and the status of all actors on deadlocks in MC mode. - - The safety/stateless aspects of the MC are now enabled by default in all simgrid builds. - Liveness and stateful aspects are still controled by the enabling_model-checking + - The safety/stateless aspects of the MC are now enabled by default in all SimGrid builds. + Liveness and stateful aspects are still controled by the enabling_model-checking configuration option. - Stateless model-checking is now usable on any system, including Mac OSX and ARM processors. @@ -221,7 +242,7 @@ MSG: New plugin: the Chaos Monkey (killing actors at any time) - Along with the new simgrid-monkey script, it tests whether your simulation resists resource failures at any possible timestamp in your simulation. - - It is mostly intended to test the simgrid core in extreme conditions, + - It is mostly intended to test the SimGrid core in extreme conditions, but some users may find it interesting too. Models: @@ -659,7 +680,7 @@ The Release release (the French lockdown was eased today). Important user-visible changes: - SimGrid now requires a compiler with C++14 support. - Sibling projects should upgrade their FindSimgrid.cmake + Sibling projects should upgrade their FindSimGrid.cmake - Surf precision default value is now 1e-9, instead of 1e-5. This was changed as several users had difficulties to understand issues when using high bandwidth or small latency events. The new value was already the default for SMPI and @@ -985,7 +1006,7 @@ General: - Network model 'NS3' was renamed into 'ns-3'. Python: - - Simgrid can now hopefully be installed with pip. + - SimGrid can now hopefully be installed with pip. S4U: - wait_any can now be used for asynchronous executions too. @@ -2033,7 +2054,7 @@ SimGrid (3.12) stable; urgency=low - InfiniBand network model added: Based on the works of Jerome Vienne http://mescal.imag.fr/membres/jean-marc.vincent/index.html/PhD/Vienne.pdf - When smpi/display_timing is set, also display global simulation time and application times - - Have smpirun, smpicc and friends display the simgrid git hash version on --git-version + - Have smpirun, smpicc and friends display the SimGrid git hash version on --git-version * Collective communications - SMP-aware algorithms are now dynamically handled. An internal communicator is created for each node, and an external one to handle communications between "leaders" of each node - MVAPICH2 (1.9) collective algorithms selector: normal and SMP algorithms are handled, and selection logic is based on the one used on TACC's Stampede cluster (https://www.tacc.utexas.edu/stampede/). @@ -2774,8 +2795,8 @@ SimGrid (3.6.2) stable; urgency=low Portability * Create an installer for windows with nsis (amd64 and win32) - - Add an hello world project to illustrate simgrid project creation. - - Embed libpcre into the Simgrid installer to avoid + - Add an hello world project to illustrate SimGrid project creation. + - Embed libpcre into the SimGrid installer to avoid its compilation burden * The raw execution contexts should work on Apple now * Port to Windows 64 bits @@ -2808,7 +2829,7 @@ SimGrid (3.6.1) stable; urgency=low SimGrid-java (3.6) unstable; urgency=low * Initial release. - * Split of every thing from simgrid v3.5 into a separate package. + * Split of every thing from SimGrid v3.5 into a separate package. -- 2011-10-05 Da SimGrid team @@ -3322,7 +3343,7 @@ SimGrid (3.4) stable; urgency=low * Greatly improved our cdash/ctest interactions Check http://cdash.inria.fr/CDash/index.php?project=Simgrid * Added memory checking tests with valgrind; lot of memleak fixing. - This may be the first release of simgrid with so few memory issues + This may be the first release of SimGrid with so few memory issues * Added code coverage tests. Our coverage is still improvable, but at least we see it on cdash. @@ -3628,7 +3649,7 @@ SimGrid (3.3.2) stable; urgency=low Timing report of this version: This version seem to be more than 5% faster than 3.3.1 (on linux - 64bits with contextes). The gain is less than expected, we are + 64bits with contexts). The gain is less than expected, we are investigating this for next release. -- Da SimGrid team Wed, 19 Aug 2009 17:07:12 +0200 @@ -3721,7 +3742,7 @@ SimGrid (3.3.1) stable; urgency=low - Linux(debian)/amd64/context - Linux(debian)/amd64/pthreads These targets fail about 1/10 of times on gras/pmm, but we believe - that this is because of the test, not because of simgrid. + that this is because of the test, not because of SimGrid. amok/saturate_sg fails even more rarely, and the test may not be the problem. @@ -3778,7 +3799,7 @@ SimGrid (3.3) stable; urgency=high is really less memory-demanding, which should allow you to use larger files in SimGrid [AL]. - * Inform valgrind about our contextes, so that it becomes usable + * Inform valgrind about our contexts, so that it becomes usable with the default (and more effecient) version of SimGrid [contributed by Sékou Diakite, many thanks]