X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/059efd3757d7c1228a04b0aae2077f648624c618..ce41a4a77b69238e56f8acb971f74c587a0d87d4:/ChangeLog diff --git a/ChangeLog b/ChangeLog index 706c8a72a9..267af3ea3e 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,12 +1,70 @@ +SimGrid (3.19) NOT RELEASED YET (target: March 20 2018, 16:15:27 UTC) + + MSG + - Fix MSG_task_get_remaining_work_ratio() to return 1.0 for tasks that have + not started. + - Remove parameter of MSG_process_killall(). + Resetting the PID was bogus anyway (several actors could have the same PID). + + Documentation + - Use a graphical TOC to make it easier to find the documentation you need + - Revamp the MSG tutorial + + S4U + - Execution->setHost() can be called after start() to migrate it. + - Comm::test_any() is now implemented. + - s4u::Actor now has onCreation() and onDestruction() signals. + - Install some kernel header files for the users' plugins and more. + Warning, their API is really not stable yet. + include/simgrid/kernel/resource/{Action,Resource,Model}.hpp + include/simgrid/kernel/routing/*Zone.hpp + + XBT + - Remove XBT_LOG_CONNECT, it should be useless nowadays. + + SimDag + - SD_task_dependency_add(): remove unused parameters 'name' and 'data'. + + SMPI + - The privatization of global variables via mmap() is now significantly more + flexible and allows the use of daemons with SMPI and to add new processes + while the simulation is running. (Adding new SMPI instances after the + simulation has already started should also be technically doable now.) + - Removed index notion from SMPI -- no more "getPid() - 1"! + This also means that the trace files + now contain actors called rank-. These are NOT the real + ranks, because tracing several communicators right now is not supported. + - Because of this, smpi_process_index() has now been deprecated and will + be removed in 3.21 + - Support of MPI_Type_create_subarray + - SMPI will now crash and not just warn when encountering an unimplemented + call. Some exceptions are set (mainly for errhandler calls). + - MPI_Sendrecv was behaving badly when MPI_PROC_NULL was sender or receiver. + + Build System: + - SimGrid now works with intel compilers (MC still buggy) + + PLATFORM: + - Rename FULLDUPLEX into SPLITDUPLEX (old name still accepted) + + TRACING + - Remove unused run-time parameter "tracing/onelink-only". + + Fixed bugs: + - #245: migrating an actor does not migrate its execution + - #254: Something seems wrong with s4u::Actor::kill(aid_t) + - #256: Modernize FindSimGrid.cmake + - #257: Fix (ab)use of CMake install + SimGrid (3.18) Released December 24 2017 The "Ho Ho Ho! SimGrid 4 beta is coming to town" release. MSG IS NOW DEPRECATED. Please use S4U for new projects. - - Support for MSG should not be removed from SimGrid before 2020, + - Support for MSG should not be removed from SimGrid before 2020, but future evolutions will be limited to the integration of user-provided patches. - + S4U New features - s4u::onDeadlock() signal, run before stopping the simulation. - s4u::Exec: asynchronous executions (abstraction of background @@ -20,7 +78,7 @@ SimGrid (3.18) Released December 24 2017 Mailbox::getCname() instead to get a char*. - Storage::getName() changed to return a std::string, use Storage::getCname() instead to get a char*. - - s4u::allStorages() becomes s4u::getStorageList(whereTo) + - s4u::allStorages() becomes s4u::getStorageList(whereTo) to have both allocation and deallocation of the map in user space. MSG @@ -31,7 +89,7 @@ SimGrid (3.18) Released December 24 2017 - Both changes fix GitHub's #223 using PR #237 as a basis. Thanks Michael Mercier. - Most examples were converted to S4U and hidden elsewhere at tests. - Rational: we still want MSG to work; we want newcomers to use S4U. + Rationale: we still want MSG to work; we want newcomers to use S4U. SURF - LMM stuff moved to its own namespace: simgrid::kernel::lmm. @@ -45,10 +103,10 @@ SimGrid (3.18) Released December 24 2017 - Live migration is getting moved to a plugin. Dirty page tracking is the first part of this plugin. This imply that VM migration is now only possible if one this function is called : - - C/MSG: MSG_vm_live_migration_plugin_init() + - C/MSG: MSG_vm_live_migration_plugin_init() - C/C++: sg_vm_live_migration_plugin_init() - Java: Msg.liveMigrationInit() - For C and C++, "simgrid/plugins/live_migration.h" also has to be + For C and C++, "simgrid/plugins/live_migration.h" also has to be included. XBT @@ -83,11 +141,11 @@ SimGrid (3.18) Released December 24 2017 - #248: Kill of finished processes leads to segfault - #240: xbt_cond_wait_timeout should gracefully return for C apps - #239: please implement signal s4u::onDeadlock() - - #230: segfaults when exit() without run() + - #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 - - #221: odd LMM warning when killing an actor + - #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 SimGrid (3.17) Released October 8 2017