X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/d0495ed696a60693c98f72b7b9809bb56d60164e..2bd7ad0811b9be3c2038c29eee0578f544051e2d:/ChangeLog diff --git a/ChangeLog b/ChangeLog index 240379de89..6e5f715a92 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,4 +1,16 @@ -SimGrid (3.32.1) not released yet (target december 22) +SimGrid (3.34.1) not released (Target: fall 2023) + +S4U: + - New class ActivitySet to ease wait_any()/test_any()/wait_all() + +Python: + - Make the host_load plugin available from Python. See examples/python/plugin-host-load + +---------------------------------------------------------------------------- + +SimGrid (3.34) June 26. 2023 + + Save the planet, skip a release: 3.33 was due 6 months ago, so skip directly to 3.34. General: - SimGrid now requires a compiler with C++17 support for public headers too. @@ -17,24 +29,32 @@ 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 + are fulfilled. 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:: - -New plugin: Operation - - Operations are designed to represent workflows, i.e, graphs of repeatable Activities. - - Documentation: https://simgrid.frama.io/simgrid/Plugins.html#operation - - Examples: examples/cpp/operation-* - -New plugin: Battery - - Enable the management of batteries on hosts. - - Documentation: https://simgrid.frama.io/simgrid/Plugins.html#battery - - Examples: examples/cpp/battery-* + - 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), + - optimize an internal data structure (use a set instead of a list for ongoing activities), leading to a potentially big performance gain, in particular with many detached comms. MPI: @@ -44,7 +64,7 @@ MPI: Models: - Write the section of the manual about models, at least. - - WiFi: the total capacity of a link depends on the amout of flows on that link. + - WiFi: the total capacity of a link depends on the amount of flows on that link. - Use the nonlinear callback feature of LMM to reflect this. - Calibration values can be changed to match different MCS configurations - See the example teshsuite/models/wifi_usage_decay/wifi_usage_decay.cpp @@ -67,19 +87,22 @@ sthread: It requires code annotation, as shown in examples/sthread/stdobject/stdobject.cpp Model checking: + - Stateless model-checking is now usable on any system, including Mac OSX and ARM processors. + - The stateless aspects of the MC are now enabled by default in all SimGrid builds. + Liveness and stateful aspects are still controlled by the enabling_model-checking + configuration option. + - Introducing ODPOR and SDPOR reduction strategies + - Introducing guiding heuristics, trying to find bugs faster than DFS in reduced state space. - Synchronize the MBI tests with upstream. - - Show the full actor bactraces when replaying a MC trace (with model-check/replay) + - Show the full actor backtraces 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 - configuration option. - - Stateless model-checking is now usable on any system, including Mac OSX and ARM processors. XBT: - simgrid::xbt::cmdline and simgrid::xbt::binary_name are gone. Please use simgrid::s4u::Engine::get_cmdline() instead. Documentation: + - New tutorial on simulating DAGs. - New section in the user guide on the provided performance models. - New section presenting some technical good practices for (potential) contributors. - Add a section on errors and exceptions to the API documentation. @@ -234,7 +257,7 @@ 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: @@ -998,7 +1021,7 @@ 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. @@ -2046,7 +2069,7 @@ 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/). @@ -2787,8 +2810,8 @@ 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 @@ -2821,7 +2844,7 @@ 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 @@ -3335,7 +3358,7 @@ 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. @@ -3641,7 +3664,7 @@ 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 @@ -3734,7 +3757,7 @@ 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. @@ -3791,7 +3814,7 @@ 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]