X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/b7997601648804dcdf233c071332eff47af92a21..92cbaa683aa7824d7ad1b7f1702dec27e1c6eefb:/NEWS diff --git a/NEWS b/NEWS index 34d2dc6137..7e70afe3c6 100644 --- a/NEWS +++ b/NEWS @@ -1,10 +1,297 @@ + _ _____ ____ _____ +__ _____ _ __ ___(_) ___ _ __ |___ / |___ \|___ / +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ __) | |_ \ + \ V / __/ | \__ \ | (_) | | | | ___) | / __/ ___) | + \_/ \___|_| |___/_|\___/|_| |_| |____(_)_____|____/ + (not released) + + _ _____ ____ ____ +__ _____ _ __ ___(_) ___ _ __ |___ / |___ \|___ \ +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ __) | __) | + \ 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, a.k.a. the Zealous Easter Trim. + + * Half of the lines of code are gone. + - v3.12: 286k lines; v3.13: 142k lines (+ comments) + - Experimental untested unused "features" removed + - We rewrote several parts in C++ instead of C + + * Introducing v4 of the XML platform format + - Many long-due cleanups (details in the Changelog) + + * 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 + _ _____ _ ____ +__ _____ _ __ ___(_) ___ _ __ |___ / / |___ \ +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ | | __) | + \ V / __/ | \__ \ | (_) | | | | ___) || |/ __/ + \_/ \___|_| |___/_|\___/|_| |_| |____(_)_|_____| + Oct 12 2015 + +The Facelift Release. Major changes: + + * Many interface glitches addressed, everywhere. + - Require g++-4.7, Java 7 and boost 1.48 + - Builds on Linux, OS X, Windows and FreeBSD + - See ChangeLog for renamed functions and options. + + * Energy plugin: major cleanups/rewrites. + http://simgrid.org/tutorials/simgrid-energy-101.pdf + + * Model-Checker progresses toward production use: + - More robust (now runs in a separate process). + - More efficient (with snapshots' memory compaction). + - More usable (execution paths replayed out of MC) + http://simgrid.org/tutorials/simgrid-mc-101.pdf + + * SMPI improvements: + - Better standard coverage - SMP-aware collectives + - InfiniBand model - Early support for RMA + - Replay: Dynamic selector - MVAPICH2 selector + http://simgrid.org/tutorials/simgrid-smpi-101.pdf + +Upcoming v3.13 will introduce new interfaces, toward SimGrid 4. + + _ _____ _ _ +__ _____ _ __ ___(_) ___ _ __ |___ / / / | +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ | | | + \ V / __/ | \__ \ | (_) | | | | ___) || | | + \_/ \___|_| |___/_|\___/|_| |_| |____(_)_|_| + May 31 2014 + +The Class Release. Major changes: + + * Surf is now in C++ (and documented!) + * Virtual Machine model for Cloud Simulation + * Surf callbacks: plug your code directly in Surf! + * Simcalls are script-generated to clean the mess + + _ _____ _ ___ +__ _____ _ __ ___(_) ___ _ __ |___ / / |/ _ \ +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ | | | | | + \ V / __/ | \__ \ | (_) | | | | ___) || | |_| | + \_/ \___|_| |___/_|\___/|_| |_| |____(_)_|\___/ + Nov 17 2013 + +The Clean Diaper Release, a.k.a. SimGrid is leak-free. Major changes: + + * Preliminary DVFS support to track the energy consumption + * Java is back in the main package (and is very stable). + * The storage sub-modules is now believed to be usable. + * SMPI is now very stable (we pass most MPICH tests). + * Lots of memory leaks were corrected in this release. + * Verification and model checking further improved: + liveness+SMPI works; reduction through state equality detection + Plus the usual load of bug fixes and small improvements + + _ _____ ___ +__ _____ _ __ ___(_) ___ _ __ |___ // _ \ +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ (_) | + \ V / __/ | \__ \ | (_) | | | | ___) \__, | + \_/ \___|_| |___/_|\___/|_| |_| |____(_)/_/ + Feb 5 2013 + +The "Grasgory" release. Major changes: + + * Gras was completely removed from this version. + * Documentation reorganization to ease browsing it. + * New default value for the TCP_gamma parameter: 4MiB + + _ _____ ___ _ +__ _____ _ __ ___(_) ___ _ __ |___ / ( _ ) / | +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ / _ \ | | + \ V / __/ | \__ \ | (_) | | | | ___) | (_) || | + \_/ \___|_| |___/_|\___/|_| |_| |____(_)___(_)_| + Oct 27 2012 + +The "we are told that some people want to also *install* the simgrid +framework" release. + + * Add missing manpage to the archive. + + _ _____ ___ +__ _____ _ __ ___(_) ___ _ __ |___ / ( _ ) +\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ / _ \ + \ V / __/ | \__ \ | (_) | | | | ___) | (_) | + \_/ \___|_| |___/_|\___/|_| |_| |____(_)___/ + Oct 25 2012 + +The Psssshiiiit release: SimGrid jumps into the Cloud. +Major changes: + + * Experimental interface to manipulate VMs, EC2-style. + * Fixes around process restart and stochastic workloads + * platf: New C interface to create fixed or random platforms + * SimDag: Many fixes and improvements of typed tasks + * SMPI now covers more of the MPI interface. + More datatypes, more functions, more robust. + * Model-checking: mmalloc is more robust to user errors. + _ _____ _____ _ __ _____ _ __ ___(_) ___ _ __ |___ /|___ / | \ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ / /| | \ V / __/ | \__ \ | (_) | | | | ___) | / /_| | \_/ \___|_| |___/_|\___/|_| |_| |____(_)_/(_)_| + June 7 2012 + +The "cleaning the cleanup" release. Major changes: + + * Portability fixups for Mac OSX and Windows + * Some other bug fixing and various polishing. -(to complete) _ ____ _____ __ _____ _ __ ___(_) ___ _ __ |___ /|___ | \ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ / / @@ -20,6 +307,7 @@ Major changes: * Parallel execution of user code should be stable and efficient now * SMPI is now considered stable * Add temporals to Model-Checking (highly experimental right now) + _ _____ __ ____ __ _____ _ __ ___(_) ___ _ __ |___ / / /_ |___ \ \ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \| '_ \ __) | @@ -79,7 +367,7 @@ The "Winter in Frejus" release. Also known as "ANR/ADT funding helps" Major changes are: * New feature: Model check any simgrid simulation - * SMPI: now considered stable + * SMPI is now very usable. * Visualization: - now covers the whole framework - major usability improvements @@ -102,6 +390,7 @@ __ _____ _ __ ___(_) ___ _ __ |___ /| || | / | The "Polishing easter eggs is probably a good idea" release. This is a bug fixes release only. + _ _____ _ _ __ _____ _ __ ___(_) ___ _ __ |___ /| || | \ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \| || |_ @@ -158,6 +447,7 @@ Most important changes: On the way, we gained a bit more than 5% on the classical master/slave example. More to come on this in future releases. + _ _____ _____ _ __ _____ _ __ ___(_) ___ _ __ |___ / |___ / / | \ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ |_ \ | |