From: Martin Quinson Date: Sat, 25 Jul 2015 18:12:46 +0000 (+0200) Subject: get the ChangeLog and NEWS ready for a release X-Git-Tag: v3_12~389 X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/1b3d08e57d407c0daeebbe269a63a76eec22d2fa get the ChangeLog and NEWS ready for a release We still need to fix the broken tests before the release. --- diff --git a/ChangeLog b/ChangeLog index 735fb4d4e0..c33ae239a7 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,10 +1,17 @@ -New function: simcall_process_get_kill_time() - - surf.java: - * class NetworkLink renamed to Link - SimGrid (3.12) NOT RELEASED; urgency=low + Build System + * Require g++ v4.7 at least to not speak prehistorical C++. + * Require Boost 1.48 (for signal2 component). + * Tracing is now always enabled (no way to turn it out) + * Move headers around to sort them out on installed systems: + - instr/instr.h -> simgrid/instr.h + - instr/jedule/* -> simgrid/jedule + - simdag/datatypes.h was removed + - simdag/simdag.h -> simgrid/simdag.h + - msg/datatypes.h was removed + - msg/msg.h -> simgrid/msg.h + cMSG: * Interface improvement: - Rename MSG_host_is_avail(h) to MSG_host_is_on(h) @@ -27,49 +34,50 @@ SimGrid (3.12) NOT RELEASED; urgency=low - Merge Task.getRemainingDuration() and Task.getComputeDuration() into Task.getFlopsAmount() * Bug fixes: - #18874: Actually allows the GC to reclaim tasks - + SIMIX: * New functions - SIMIX_process_throw: raises an exception in a remote process - * Refactoring: Separate submodules + * Refactoring: Separate sub-modules - libsmx: the public interface, as libc in a real system - popping: the strange dance that converts a user request into a kernel handling - - smx_context_*: the virtualization mechanisms that embeed the user code + - smx_context_*: the virtualization mechanisms that embed the user code - smx_*: the handling of each simcalls * Interface cleanup: - simcall_host_set_power_peak_at -> simcall_host_set_pstate * Rename smx_action_t into smx_synchro_t, making explicit that these - things are used to synchronize processes with their environment. + things are used to synchronize processes with their environment. For example, a communication is a sort of synchronization involving the communicating processes (that may block until the exchange) and the platform. The same can be said from computations, etc. * Bug fixes: - #18888: segfault when a process ends before its kill_time - - SMPI: + + SMPI: * New functions - - Onesided early support for : MPI_Win_(create, free, fence, get_name, set_name, get_group), MPI_Get, MPI_Put, MPI_Accumulate, MPI_Alloc_mem, MPI_Free_mem. + - Onesided early support for : MPI_Win_(create, free, fence, get_name, set_name, get_group), MPI_Get, MPI_Put, MPI_Accumulate, MPI_Alloc_mem, MPI_Free_mem. - MPI_Keyval*, MPI_Attr* functions, as well as MPI_Comm_attr*, MPI_Type_attr* variants (C only, no Fortran support yet) - MPI_Type_set_name, MPI_Type_get_name - MPI_*_c2f and MPI_*_f2c functions - MPI_Info_* functions (beware, get_nthkey may not follow the insertion order) - MPI_Pack, MPI_Unpack and MPI_Pack_size functions - Activate a lot of new tests from the mpich 3 testsuite - * Features + * Features - Constant times can be injected inside MPI_Wtime and MPI_Test through options smpi/wtime and smpi/test - - InfiniBand network model added : Based on the works of Jerome Vienne (http://mescal.imag.fr/membres/jean-marc.vincent/index.html/PhD/Vienne.pdf ) + - 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 * 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/). - Support for Rabenseifner Reduce/Allreduce algorithms (https://fs.hlrs.de/projects/par/mpi//myreduce.html) - * Replay + * Replay - Replay now uses algorithms from wanted collective selector - Replay can be used with SMP-aware algorithms - Memory occupation of replay should now be contained (temporary buffers allocated in collective algorithms should be shared between processes) - Replay can now replay several traces at the same time (check examples/smpi/replay_multiple example), to simulate interactions between several applications on a given platform. User can specify the start time of each instance. This should also allow replay + actual applications to run. - * Bug fixes + * Bug fixes - [#17799] : have mpi_group_range_incl and mpi_group_range_excl better test some corner cases - Correctly use loopback on fat-tree clusters - Asynchronous small messages shouldn't trigger deadlocks anymore @@ -77,36 +85,26 @@ SimGrid (3.12) NOT RELEASED; urgency=low - smpi_set_host_power_peak_at() -> smpi_set_host_pstate() - new: smpi_get_host_pstate() SURF - * Bug fixes + * Bug fixes - "Full" network optimization flag was broken since Surf++ - Better handling of precision flags in maxmin - Fix bug causing sometimes "Impossible" errors - Properly pass cluster properties to included hosts * Improvement of the Energy plugin. - Always update the consumption before returning that value - - New property: watt_off to denote the disipation when the host is off + - New property: watt_off to denote the dissipation when the host is off - New functions getWattMinAt and getWattMaxAt to retrieve the dissipation of pstates that we are not currently at. + * Java: class NetworkLink renamed to Link + * New function: simcall_process_get_kill_time() * Massive rename s/workstation/host/ - - That's intrusive, but that's good for the project consistency. Sorry. + - That's intrusive, but that's good for the project consistency. Sorry. - Change config option "workstation/model" into "host/model" XBT * New functions - - Add a xbt_heap_update function, to avoid costly xbt_heap_remove+xbt_heap_insert use + - Add a xbt_heap_update function, to avoid costly xbt_heap_remove+xbt_heap_insert use - Add a xbt wrapper for simcall_mutex_trylock (asked in [#17878]) - Add two new log appenders : rollfile and splitfile. Patch by Fabien Chaix. - Build System - * Require g++ v4.7 at least to not speak prehistorical C++. - * Require Boost 1.48 (for signal2 component). - * Tracing is now always enabled (no way to turn it out) - * Move headers around to sort them out on installed systems: - - instr/instr.h -> simgrid/instr.h - - instr/jedule/* -> simgrid/jedule - - simdag/datatypes.h was removed - - simdag/simdag.h -> simgrid/simdag.h - - msg/datatypes.h was removed - - msg/msg.h -> simgrid/msg.h - MC * The model checker now runs as a separate process. * The model checker runs must now be launched with the new simgrid-mc program. diff --git a/NEWS b/NEWS index 9c9508addf..d5075f96eb 100644 --- a/NEWS +++ b/NEWS @@ -4,14 +4,29 @@ __ _____ _ __ ___(_) ___ _ __ |___ / / |___ \ \ V / __/ | \__ \ | (_) | | | | ___) || |/ __/ \_/ \___|_| |___/_|\___/|_| |_| |____(_)_|_____| -(to complete) - - * Surf internal cleanup: rename workstation into host. - Option "workstation/model" now reads "host/model" - * The model checker now runs in a separate process. - * The model checker has support for memory compaction of its snapshots. - * MC record/replay: a interesting path found by the modelchecker can be - replayed outside of the modelchecker. +The Facelift Release. Major changes: + + * Many interface glitches addressed, everywhere. + - Require g++-4.7 and boost 1.48 + - 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. + _ _____ _ _ __ _____ _ __ ___(_) ___ _ __ |___ / / / | \ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ | | |