X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/9234b8d89d73c5a38a56fa5dcca7d98792743141..refs/heads/master:/NEWS diff --git a/NEWS b/NEWS index a69c03935c..bbe6e5f6ae 100644 --- a/NEWS +++ b/NEWS @@ -1,10 +1,352 @@ + + _ _____ _____ __ +__ _____ _ __ ___(_) ___ _ __ |___ / |___ / / /_ +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ |_ \| '_ \ + \ V / __/ | \__ \ | (_) | | | | ___) | ___) | (_) | + \_/ \___|_| |___/_|\___/|_| |_| |____(_)____/ \___/ + (not released yet) + + + _ _____ _________ +__ _____ _ __ ___(_) ___ _ __ |___ / |___ / ___| +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ |_ \___ \ + \ V / __/ | \__ \ | (_) | | | | ___) | ___) |__) | + \_/ \___|_| |___/_|\___/|_| |_| |____(_)____/____/ + November 23. 2023 + +The "Thanks Giving up stateful model-checking" release. Stateless model checking remains. + + * Maint: liveness checking is gone. It was fragile and buggy. + * API: ActivitySet make it easier to manage sets of activities. + * Plugins chiller, photovoltaic and battery revamped and improved. + * Performance improvements, both in time and memory. + * (+ internal refactoring, usability improvements and bug fixes) + _ _____ _____ _ _ +__ _____ _ __ ___(_) ___ _ __ |___ / |___ /| || | +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ |_ \| || |_ + \ V / __/ | \__ \ | (_) | | | | ___) | ___) |__ _| + \_/ \___|_| |___/_|\___/|_| |_| |____(_)____/ |_| + June 26. 2023 + +Save the planet, skip a release: 3.33 was due 6 months ago, so skip directly to 3.34. + + * Maint: MSG and Java are gone (EOL was scheduled for 2020), move to C++17, + and drop 32bits support. + * Model: Introduce a fluid I/O model, mixing I/O and network, to represent + streaming from disk + * API: DAG/workflow loader; Introducing Tasks which are activities that can + be fired several times. + * Doc: Several new documentation sections, and a new tutorial on DAGs. + * MC: Safety properties now portable to every OS, activated by default + in all builds. + * MC: Introduction ODPOR/SDPOR reductions and guiding strategies (better + state space traversal). + * (+ internal refactoring, bug fixes and documentation improvement) + + _ _____ _________ +__ _____ _ __ ___(_) ___ _ __ |___ / |___ /___ \ +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ |_ \ __) | + \ V / __/ | \__ \ | (_) | | | | ___) | ___) / __/ + \_/ \___|_| |___/_|\___/|_| |_| |____(_)____/_____| + October 3. 2022 + +The Wiedervereinigung release. Germany was reunited 32 years ago. + + * Various cleanups around the virtual machines API + * Improved Python platform generation (more robust, easier to use) + * Further complete Python bindings (Comm, Engine, ptasks) + * (+ internal refactoring, MANY bug fixes and documentation improvement) + + _ _____ _____ _ +__ _____ _ __ ___(_) ___ _ __ |___ / |___ // | +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ |_ \| | + \ V / __/ | \__ \ | (_) | | | | ___) | ___) | | + \_/ \___|_| |___/_|\___/|_| |_| |____(_)____/|_| + March 22. 2022 + +The ненасильство release. We stand against war. + + * Refactoring the model-checker, enabling synchronization objects and future improvements + * Introducing BMF sharing, enabling ptasks in regular models (experimental) + * Further complete Python bindings (Mutex, Semaphore and Barrier) + * (+ internal refactoring, many bug fixes and documentation improvement) + + _ _____ _____ ___ +__ _____ _ __ ___(_) ___ _ __ |___ / |___ / / _ \ +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ |_ \| | | | + \ V / __/ | \__ \ | (_) | | | | ___) | ___) | |_| | + \_/ \___|_| |___/_|\___/|_| |_| |____(_)____/ \___/ + January 30. 2022 + +The Sunday Bloody Sunday release. + + * SimDAG is finally removed, fully superseded by S4U. + * New documentation on calibrating MPI. + * The Algorithms tutorial can now be taken in Python. + * (+ many bug fixes and internal refactoring) + + _ _____ ____ ___ +__ _____ _ __ ___(_) ___ _ __ |___ / |___ \ / _ \ +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ __) | (_) | + \ V / __/ | \__ \ | (_) | | | | ___) | / __/ \__, | + \_/ \___|_| |___/_|\___/|_| |_| |____(_)_____| /_/ + October 7. 2021 + +The "Ask a stupid question" release + + * Python bindings for the platform creation API + * Introduce non-linear resource sharing, allowing decay models + * New documentation section on realistic I/O modeling + * (+ many bug fixes and internal refactoring) + + _ _____ ____ ___ +__ _____ _ __ ___(_) ___ _ __ |___ / |___ \( _ ) +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ __) / _ \ + \ V / __/ | \__ \ | (_) | | | | ___) | / __/ (_) | + \_/ \___|_| |___/_|\___/|_| |_| |____(_)_____\___/ + July 14. 2021 + +The Victoriadagarna Release (birthday of Crown Princess Victoria) + + * Programmatic platform description (only C++ for now). + * New plugin to simplify producer/consumer applications. + * MC: new tutorial and associated docker image. + * SMPI: improve error handling for incorrect advanced usages. + * Many internal cleanups and refactoring to prepare the future. + + _ _____ ____ _____ +__ _____ _ __ ___(_) ___ _ __ |___ / |___ \___ | +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ __) | / / + \ V / __/ | \__ \ | (_) | | | | ___) | / __/ / / + \_/ \___|_| |___/_|\___/|_| |_| |____(_)_____/_/ + March 29. 2021 + +The Ragnar Release (anniversary of the siege of Paris by Vikings in 845) + + * SMPI: can now report leaks and hint about the mallocs and kernels hindering simulation scalability + * Doc: Several new sections in the user manual, and start documenting the internals. + * S4U: Direct comms from host to host, without mailboxes. + * Many internal cleanups and refactoring to prepare the future. + + _ _____ ____ __ +__ _____ _ __ ___(_) ___ _ __ |___ / |___ \ / /_ +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ __) | '_ \ + \ V / __/ | \__ \ | (_) | | | | ___) | / __/| (_) | + \_/ \___|_| |___/_|\___/|_| |_| |____(_)_____|\___/ + December 15. 2020 + +The Release release (the French lockdown was eased). + + * SMPI: improved support of the proxy apps (including those using petsc) + * WiFi: easier description in XML; energy plugin; more examples. + * ns-3: Many bug fixes, can use the wifi models too. + * (+ many bug fixes, documentation improvement and internal refactoring) + + _ _____ ____ ____ +__ _____ _ __ ___(_) ___ _ __ |___ / |___ \| ___| +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ __) |___ \ + \ V / __/ | \__ \ | (_) | | | | ___) | / __/ ___) | + \_/ \___|_| |___/_|\___/|_| |_| |____(_)_____|____/ + February 2. 2020 (02 02 2020) + +The Palindrom Day Release. + + * Improve the Python usability (stability and documentation). + * Further deprecate MSG: you now have to pass -Denable-MSG=ON to cmake. + * SimDAG++: Automatic dependencies on S4U activities (experimental). + * (+ many bug fixes and internal refactoring) + + _ _____ ____ _ _ +__ _____ _ __ ___(_) ___ _ __ |___ / |___ \| || | +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ __) | || |_ + \ V / __/ | \__ \ | (_) | | | | ___) | / __/|__ _| + \_/ \___|_| |___/_|\___/|_| |_| |____(_)_____| |_| + October 9. 2019 + +The Clean Disk Release. + + * Introduce an experimental Wifi network model. + * Introduce (cleaner logic than ). + * SMPI: Implement Errhandlers and some more MPI3.1 calls. + * (+ many bug fixes and internal refactorings) + + _ _____ ____ _____ +__ _____ _ __ ___(_) ___ _ __ |___ / |___ \|___ / +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ __) | |_ \ + \ V / __/ | \__ \ | (_) | | | | ___) | / __/ ___) | + \_/ \___|_| |___/_|\___/|_| |_| |____(_)_____|____/ + June 25. 2019 + +The Exotic Solstice Release. + + * Support for Solaris and Haiku OSes. Just for fun :) + * SMPI: more of MPI3.1; some MPI/IO and async collectives. + * Python bindings can now be installed from pip. + * (+ a whole load of bug fixes and internal refactorings) + + _ _____ ____ ____ +__ _____ _ __ ___(_) ___ _ __ |___ / |___ \|___ \ +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ __) | __) | + \ V / __/ | \__ \ | (_) | | | | ___) | / __/ / __/ + \_/ \___|_| |___/_|\___/|_| |_| |____(_)_____|_____| + April 1. 2019 + +The Easter Christmas Release (this one is somewhat late). + + * Introducing the Python bindings (still beta) + * Doc: SMPI tutorial and platform description ported to RTD + * Many internal cleanups leading to some user-level speedups + * (+ the classical bug fixes and internal refactorings) + + _ _____ ____ _ +__ _____ _ __ ___(_) ___ _ __ |___ / |___ \/ | +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ __) | | + \ V / __/ | \__ \ | (_) | | | | ___) | / __/| | + \_/ \___|_| |___/_|\___/|_| |_| |____(_)_____|_| + October 3. 2018 + +The Restarting Documentation (TRD) release. + + * Start to overhaul the documentation, and move to Sphinx + RTD. + * Allow dynamic replay of MPI apps, controlled by S4U actors + * Rewrite the support for auto-restarted actors (was utterly broken) + * (+ the classical bug fixes and doc improvement) + + _ _____ ____ ___ +__ _____ _ __ ___(_) ___ _ __ |___ / |___ \ / _ \ +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ __) | | | | + \ V / __/ | \__ \ | (_) | | | | ___) | / __/| |_| | + \_/ \___|_| |___/_|\___/|_| |_| |____(_)_____|\___/ + June 24. 2018 + +The proxy snake_case() release. + + * Sanitize the public API. Compatibility wrappers in place for one year. + * More CI: ~45 Proxy Apps + BigDFT + StarPU now tested nightly + * MPI: Port the trace replay engine to C++, fix visualization + * (+ the classical bug fixes and doc improvement) + + _ _____ _ ___ _ +__ _____ _ __ ___(_) ___ _ __ |___ / / |/ _ \ / | +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ | | (_) || | + \ V / __/ | \__ \ | (_) | | | | ___) || |\__, || | + \_/ \___|_| |___/_|\___/|_| |_| |____(_)_| /_(_)_| + March 22 2018 + +The Fixed ABI release. + + * Reduce the changes to the binary interface of MSG, + accidentally introduced by v3.19. + + _ _____ _ ___ +__ _____ _ __ ___(_) ___ _ __ |___ / / |/ _ \ +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ | | (_) | + \ V / __/ | \__ \ | (_) | | | | ___) || |\__, | + \_/ \___|_| |___/_|\___/|_| |_| |____(_)_| /_/ + March 20 2018 + +The Moscovitly-cold Spring release. + + * SMPI: Allow to start new actors and ranks after simulation start. + * SMPI: Support ICC, better testing on classical proxy apps. + * Some kernel headers are now installed, allowing external plugins. + * (+ the classical bug fixes and doc improvement) + + _ _____ _ ___ +__ _____ _ __ ___(_) ___ _ __ |___ / / |( _ ) +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ | |/ _ \ + \ V / __/ | \__ \ | (_) | | | | ___) || | (_) | + \_/ \___|_| |___/_|\___/|_| |_| |____(_)_|\___/ + December 24 2017 + +The "Ho Ho Ho! SimGrid 4 beta is coming to town" release. + SimGrid 4 *may* be there by the next solstice. + + * Convert almost all interesting MSG examples to S4U. + * New model: energy consumption due to the network. + * Major cleanups in the disk and storage subsystems. + * (+ further deprecate XBT, bug fixes and doc improvement) + + _ _____ _ _____ +__ _____ _ __ ___(_) ___ _ __ |___ / / |___ | +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ | | / / + \ V / __/ | \__ \ | (_) | | | | ___) || | / / + \_/ \___|_| |___/_|\___/|_| |_| |____(_)_|/_/ + October 8 2017 + +The Drained Leaks release: (almost) no known leaks despite the tests. + + * Many many internal cleanups (almost 700 commits since 3.16). + * The coverage of our tests is above 80%. + * All memleaks but one plugged; A dozen of bugs fixed. + * XBT: Further replace XBT with std::* constructs. + + _ _____ _ __ +__ _____ _ __ ___(_) ___ _ __ |___ / / |/ /_ +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ | | '_ \ + \ V / __/ | \__ \ | (_) | | | | ___) || | (_) | + \_/ \___|_| |___/_|\___/|_| |_| |____(_)_|\___/ + June 22 2017 + +The Blooming Spring Release: developments are budding. + + * S4U: Progress; Activity refcounting is now automatic. + * XML: can now be named as they should. + * SMPI: Further performance improvements; RMA support. + * Cloud: Multi-core VMs (do not overcommit them yet) + * (+ bug fixes, cleanups and documentation improvements) + + _ _____ _ ____ +__ _____ _ __ ___(_) ___ _ __ |___ / / | ___| +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ | |___ \ + \ V / __/ | \__ \ | (_) | | | | ___) || |___) | + \_/ \___|_| |___/_|\___/|_| |_| |____(_)_|____/ + Mar 22 2017 + +The Spring Release: continuous integration servers become green. + + * S4U: progress, integrating more parts of SimDag; New examples. + * SMPI: Support MPI 2.2; Convert internals to C++ (TBC). + * Java: Massive memleaks and performance issues fixed. + * (+ bug fixes, cleanups and documentation improvements) + + _ _____ _ _ _ _ ____ ___ +__ _____ _ __ ___(_) ___ _ __ |___ / / | || | / | ___|/ _ \ +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ | | || |_ | |___ \ (_) | + \ V / __/ | \__ \ | (_) | | | | ___) || |__ _|| |___) \__, | + \_/ \___|_| |___/_|\___/|_| |_| |____(_)_| |_|(_)_|____/ /_/ + Dec 28 2016 + +The Christmas Pi Release (better approximation). + + * Fix various glitches in the previous release. + + _ _____ _ _ _ +__ _____ _ __ ___(_) ___ _ __ |___ / / | || | +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ | | || |_ + \ V / __/ | \__ \ | (_) | | | | ___) || |__ _| + \_/ \___|_| |___/_|\___/|_| |_| |____(_)_| |_| + Dec 24 2016 + +The Christmas Pi Release. + + * Documentation reorganized and improved + + * S4U interface further rising, toward SimGrid 4 + - Routing code rewritten for readability + - Virtual Machines almost turned into a plugin + - MSG, SimDag, MPI interfaces mostly unchanged + + * The model-checker now works on FreeBSD too. + _ _____ _ _____ __ _____ _ __ ___(_) ___ _ __ |___ / / |___ / \ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ | | |_ \ \ V / __/ | \__ \ | (_) | | | | ___) || |___) | \_/ \___|_| |___/_|\___/|_| |_| |____(_)_|____/ + Apr 27 2016 -The Half Release, aka the Zeleous Easter Trim. +The Half Release, a.k.a. the Zealous Easter Trim. * Half of the lines of code are gone. - v3.12: 286k lines; v3.13: 142k lines (+ comments) @@ -14,12 +356,13 @@ The Half Release, aka the Zeleous Easter Trim. * Introducing v4 of the XML platform format - Many long-due cleanups (details in the Changelog) - * MSG examples fully reoganized to help new users + * MSG examples fully reorganized (in C and Java) * The S4U interface is rising, toward SimGrid 4 - All host manipulations now done in S4U - SimDag was mostly rewritten on top of S4U - MSG & SimDag interfaces mostly unchanged + _ _____ _ ____ __ _____ _ __ ___(_) ___ _ __ |___ / / |___ \ \ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ | | __) |