X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/3cebdd822e0da449810f0757ff3c2b2c14dc6ac4..34e46b4f4ea4c454b982873327d243994a2d016a:/ChangeLog diff --git a/ChangeLog b/ChangeLog index 9a784b74bc..ae87cf07af 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,34 +1,97 @@ -SimGrid (3.10) NOT RELEASED; urgency=low - - XBT: - * Our own implementation of getline is renamed xbt_getline, and gets - used even if the OS provide a getline(). This should reduce the - configuration complexity by using the same code on all platforms. - * new xbt_cfg_elm_boolean type +SimGrid (3.10-rc1) unstable; urgency=low Java: * Reintegrate Java to the main archive as desynchronizing these package is not acceptable anymore (Java is now considered stable) - * Bugfix: Task.setDataSize() only changed the C world, not the value + * Add explicit synchronization facilities through semaphores + * Bug fix: Task.setDataSize() only changed the C world, not the value cached in the Java world + MSG: + * Dramatically change the way files are handled. API and internals changed, but + this part of MSG was not considered as production grade either. + * Add explicit synchronization facilities through semaphores + * Add a new function MSG_host_get_process_list() + * Preliminary DVFS support (see examples/msg/energy/ for details) + SMPI: - * SMPI is not built as a separate library anymore, it's now included in - libsimgrid. + * SMPI is now included directly in the libsimgrid as the windows + linker doesn't force us on splitting it anymore. * Improvements of the SMPI replay tool: - Most of the collective communications are now rooted in the same process as in the original application. - - Traces now rely on the same MPI datatype as the application (MPI_BYTE was - used until now). Multiple datatypes can now be used in a trace. + - Traces now rely on the same MPI data type as the application (MPI_BYTE was + used until now). Multiple data types can now be used in a trace. - The replay tool now supports traces produce either by TAU or a modified version of MPE. - Bug Fix: the compute part of the reduce action is now taken into account. + - Gatherv collective is now supported + - Simgrid (SMPI for now) can generate replay traces as well. Option -trace-ti + of smpirun outputs time independent traces for the current run. One file + is created per process. If too many processes are simulated, this behavior + can be changed to one file for all processes by using the + tracing/smpi/format/ti_one_file flag + * smpirun generates the host file if needed (with given host count and platform) + * Integration of more than 100 STAR-MPI, MPICH, OpenMPI collective algorithms + - allows to select one in particular with --cfg=smpi/coll_name:algorithm + - allows to use the decision logic of OpenMPI(1.7) or MPICH(3.0.4) by setting + --cfg=smpi/coll_selector:(mpich/ompi) + * Support for new functions : MPI_Issend, MPI_Ssend, Commutative operations in + Reduce + * Add a --cfg:tracing/smpi/internals option, to trace internal communications + happening inside a collective SMPI call. + * Fix the behavior of complex data types handling. + * Make MPI_Wtime another synchronization point to take computations into account. + * Replace MPICH-1 test suite by the one from MPICH 3.0.4. Can be built using + enable_smpi_MPICH3_testsuite flag in cmake. Run with ctest. + * Add all missing Fortran bindings, SMPI should work with Fortran 90 + (no privatization of global variables yet) + * Preliminary DVFS support (see examples/smpi/energy/ for details) + + Model-Checking; + * Verification of liveness properties is now available for SMPI applications + (in addition to MSG applications) + * Bugged examples using SMPI in examples/smpi/mc/ + * Add --cfg=model-check/visited option. Allows the verification of infinite + programs. Detection of loops in the execution thanks to the system state + comparison and reduction of the state space to explore. Can be combined with + DPOR for safety properties. + + SimDag: + * Allow to change SimGrid configuration (see --help) within the code + thanks to SD_config() as it can be done in MSG. + * Add a new function SD_task_set_amount() upon user request. PLATFORM: - * Handle units for values (10ms, 10kiloflops, 10Bps, ...) - * Remove rule based routing (no more pcre dependency) + * Handle units for values (10ms, 10kiloflops, 10Bps, 1GB, ...) + * Remove rule based routing (no more PCRE dependency) + * Add a limiter_link option to cluster tag, to specify a maximum reachable + bandwidth in fullduplex mode when it is less than twice the nominal bandwidth. + * Add a loopback_bw and loopback_lat options to cluster tag. + * Fix the peer tag that could not be mixed with other AS within a Vivaldi + routing. Now peers are encapsulated in an AS and have their own private + router but this is transparent. + + XBT: + * Our own implementation of getline is renamed xbt_getline, and gets + used even if the OS provide a getline(). This should reduce the + configuration complexity by using the same code on all platforms. + * New type: xbt_cfg_elm_boolean. + * Allow to use yes/no for boolean configuration options in the command line. + * Allow to disable SimGrid cleanups at exit from command line option. + There are situations where one may want a simulation to end with an exit. + Unfortunately, calling exit may cause SimGrid to segfault, which is quite + annoying when scripting around the simulator. Adding a + --cfg=clean_atexit:no allows to circumvent this issue. + + Build System: + * New command line option --version, to get SimGrid version information. + Packagers may want to add extra words to SIMGRID_VERSION_EXTRA defined in + CMakeLists.txt. + * Supernovae builds are deprecated, and expected to be removed in the next + version of SimGrid. --- $date Da SimGrid team +-- Mon Oct 7 2013 Da SimGrid team SimGrid (3.9) stable; urgency=low