X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/895710d49f77179d9893bc76b3e31b69fae638af..950b9d175a7966b91adf53b74745ce4e6e5da5f9:/ChangeLog diff --git a/ChangeLog b/ChangeLog index f3e9234557..3438268994 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,4 +1,79 @@ -SimGrid (3.20) NOT RELEASED YET (Release target: June 21. 2018 10:07 UTC) +SimGrid (3.21) NOT RELEASED (Release Target: September 23. 2018, 1:54 UTC) + +S4U new features: + - s4u::Io: IOs go asynchronous as activities. This comes with new methods in the + s4u::Storage class: + - io_init(sg_size_t, s4u::Io::OpType) to create a READ or WRITE asynchronous + IO operations that can be started, waited for, or canceled as a regular + activity. + - read_async(sg_size_t) and write_async(sg_size_t) which are wrappers on + io_init() + start() + - Fully reimplement auto_restart mechanism that was utterly broken + (fix #22, #131 and #281 that were all very related) + - When creating an actor from a function and its parameters, + move-only parameters are not allowed anymore, as it would prevent + the actor to be restartable if its parameters are consumed on run. + +Tracing: + - Rename 'power' and 'power_used' variables into 'speed' and 'speed_used' + - New host variable: 'core_count' + +XBT: + - Remove xbt_os_thread_specific features + - Remove portability wrapper to condition variables + - Remove xbt_os_thread_yield() + +Java: + - Due to an internal bug, Msg.run() must now be your last line. + We hope to fix it in a future release, and we are sorry for the inconvenience. + +Fixed bugs: + - #22: Process autorestart seem to only work with CAS01 cpus + - #93: simgrid should not eat --help + - #131: Java : autostart does not work + - #264: Add ptask L07 resource tracing + - #271: Dynamic and manual replay of SMPI traces + - #279: Breakpoints option uses time deltas instead of absolute time + - #281: Daemonized actor no longer daemonized after an auto-restart + - #282: TIT convertor erase traces when using absolute path in the trace list file + - #285: segfault when a s4u actor kills itself with msg process tracing activated + - #286: Pajé traces are not exposing the number of cores + - #287: Command-line parsing should stop when encountering '--' + - #288: MPI_Init(NULL, NULL) + - #296: DTD too permissive + +---------------------------------------------------------------------------- + +SimGrid (3.20) Released June 24. 2018 + +The proxy snake_case() release. + +S4U: + - The whole API is now using snake_case() instead of mixing it with camelCase. + Compatibility wrappers in place for one year. + - We took the opportunity to increase the consistency of the API. + Please report any remaining glitches. + - New function simgrid::s4u::Host::get_actor_count: + Returns the number of actors running on a specific host. + +SMPI: + - SMPI is now tested with ~45 proxy apps from various sources, with none or + only minor patching needed: check https://github.com/simgrid/SMPI-proxy-apps + - Replay: The replay file has been re-written in C++. + - Replay: Tags used for messages sent via MPI_Send / MPI_Recv are now + supported. They are stored in the trace and used when replayed. + - Basic support of MPI_Cancel. Robustness not guaranteed. + - Support of MPI_Win_allocate_shared, MPI_Win_shared_query, MPI_Comm_split_type + (only for MPI_COMM_TYPE_SHARED). + - New option: smpi/privatize-libs, to add external shared libs to be privatized + by SMPI. They will be copied locally and loaded separately by each process. + Example --cfg=smpi/privatize-libs:"libgfortran.so.3;libscalapack.so". + - Tracing: add tracing for MPI_Start, Startall, Testall, Testany + - Interception of getopt, getopt_long and getopt_long_only calls to avoid issues + with internal index optind with multiple processes. Only works if MPI_Init has + already been called. + - Fortran: SMPI builds a mpi.mod file which should allow use of "use mpi" + syntax without preprocessing tricks. TRACE - Change --cfg=tracing/msg/vm to --cfg=tracing/vm as virtual machine @@ -14,8 +89,8 @@ TRACE identify which request you want to wait for. We do this via the triplet (sender, receiver, tag), which needs to be added: - - We lowercased all actions: For instance, instead of allReduce, we now - use allreduce. + - Actions are now in lower case (e.g., "allReduce" becomes "allreduce"). + New script simgrid_convert_TI_traces.py: upgrade your TI traces. MSG - The deprecation of MSG is ongoing (but this should not impact you). @@ -24,10 +99,6 @@ MSG your MSG calls in src/msg/msg_legacy.cpp. - MSG can still be used, but won't evolve anymore. -S4U: - - Introduced new function simgrid::s4u::Host::get_actor_count. This function - returns the number of actors running on a specific host. - Plugins: - Allow to run the Link energy plugin from the command line with --cfg=plugin:link_energy @@ -39,25 +110,6 @@ simix: - kill simix::onDeadlock() that was somewhat dupplicating s4u::on_deadlock() - Improve performance when handling timeouts of simix synchros. -SMPI: - - SMPI is now tested with ~45 proxy apps from various sources, with none or - only minor patching needed: check https://github.com/simgrid/SMPI-proxy-apps - - Replay: The replay file has been re-written in C++. - - Replay: Tags used for messages sent via MPI_Send / MPI_Recv are now - supported. They are stored in the trace and used when replayed. - - Basic support of MPI_Cancel. Robustness not guaranteed. - - Support of MPI_Win_allocate_shared, MPI_Win_shared_query, MPI_Comm_split_type - (only for MPI_COMM_TYPE_SHARED). - - New option: smpi/privatize-libs, to add external shared libs to be privatized - by SMPI. They will be copied locally and loaded separately by each process. - Example --cfg=smpi/privatize-libs:"libgfortran.so.3;libscalapack.so". - - Tracing: add tracing for MPI_Start, Startall, Testall, Testany - - Interception of getopt, getopt_long and getopt_long_only calls to avoid issues - with internal index optind with multiple processes. Only works if MPI_Init has - already been called. - - Fortran: SMPI builds a mpi.mod file which should allow use of "use mpi" - syntax without preprocessing tricks. - XBT: - Config: the C API is now deprecated (will be removed in 3.23), and the C++ API has been slightly improved. @@ -72,7 +124,7 @@ Fixed bugs: - #258: daemonized actors hang after all non-daemonized actors have completed - #267: Linker error on unit_tmgr - #269: SMPI: tracing of MPI_Wait/all/any broken - - SMPI: Fix various crashes with combined use of MPI_PROC_NULL and MPI_IGNORE_STATUS + - SMPI: Fix various crashes with combined use of MPI_PROC_NULL and MPI_IGNORE_STATUS ----------------------------------------------------------------------------