X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/9b73466ada27682d1729f394549479da83ef4a99..9acfed104fb72a8fa44ec1f5bff196a2ae098c64:/ChangeLog diff --git a/ChangeLog b/ChangeLog index 2afb0d3da8..5abdda77c9 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,10 +1,92 @@ -SimGrid (3.10pre1) unstable; urgency=low +SimGrid (3.11) NOT RELEASED; urgency=low + + TENTATIVE RELEASE GOALS for 3.11: + * Switch to tesh.pl, and kill the now unused parts of xbt that seem fragile + * Clean up CMake files (may need a full rewrite). + Non exhaustive list of subgoals: + - Use genuine cmake mechanisms and variables when available, + instead of reinventing the wheel. + - Correctly determine system and architecture (e.g. x32). + - Correctly determine compiler type and version (e.g. clang). + - Correctly set compiler flags according to compiler type and version. + - Correctly set compiler flags for C++, Java, and Fortran compilers too. + - Use git to generate the dist archive. Either use git-archive to + generate the tarball, or keep using cmake -E tar, but use git-ls-files + to get the list of files to pack. + + The Class Release. + + Tools: + * Normalizing pointers addresses tool for better diff between logs + + Examples: + * Add cloud examples using new VMs + - examples/msg/cloud/two_tasks_vm.tesh + - examples/msg/cloud/simple_vm.tesh + - examples/java/cloud/cloud.tesh + - examples/java/cloud/migration/migration.tesh + + MSG: + * Add virtual machine + - creation of a VM on a PM + - migration of a VM from a PM to another PM + + SIMIX: + * Protect context stacks against stack overflow. The number of protected memory + pages allocated on the top of each stack (1 by default) can be configured + with the new command line option --cfg=contexts/guard_size:. + * Simcalls are now generated by a python script that + - generates files included by SimGrid + - checks that all the functions exist, and proposes prototypes + * Clean simcalls + - remove sem_destroy, file_set_data, comm_destroy, vm_set_state, + host_set_data, host_get_data + + SURF: + * Translate surf models from C to C++ + - Generic classes for all models: Model, Resource, Action + - A generic interface for each kind of model (cpu, network, storage + workstation, workstationvm) + - C bindings + * Translate surf routings from C to C++ + * Add callbacks using sigc++ or boost::signals2 + - Add callback functions for resource creation/destruction + - Add callback functions for action state change + - Handle Energy as a plugin + * Replace swag by boost::intrusive + * Add new routing model for torus clusters + * More documentation + + SMPI: + * hostfiles support host:nb_processes construct to deploy several processes on + one node + * Collective communication algorithms should not crash if used with + improper number of nodes and report the error. + + Java: + * New cmake option, enable_lib_in_jar, to control whether native libraries are + copied into simgrid.jar or not (ON by default). Use this option if you want + to reduce the size of the installed simgrid.jar, *and* the native libraries + are kept installed elsewhere. + + Build System: + * Supernovae build mode is definitively removed. It was used to improve + inlining and inter-module optimizations. It is nowadays superseded by + link-time optimizations commonly available in compilers. + * Update ns-3 find lib. Bindings for ns-3 should work again now. + * Add boost dependency for surf++ + + -- $date Da SimGrid team + +SimGrid (3.10) stable; urgency=low + + The Clean Diaper Release, a.k.a. SimGrid is leak-free. Java: * Reintegrate Java to the main archive as desynchronizing these package is not acceptable anymore (Java is now considered stable) * Add explicit synchronization facilities through semaphores - * Bugfix: Task.setDataSize() only changed the C world, not the value + * Bug fix: Task.setDataSize() only changed the C world, not the value cached in the Java world MSG: @@ -12,7 +94,7 @@ SimGrid (3.10pre1) unstable; urgency=low 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) + * Preliminary DVFS support (see examples/msg/energy/ for details) SMPI: * SMPI is now included directly in the libsimgrid as the windows @@ -25,7 +107,13 @@ SimGrid (3.10pre1) unstable; urgency=low - 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. - * smpirun generates the hostfile if needed (with given hostcount and platform) + - 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 @@ -34,11 +122,13 @@ SimGrid (3.10pre1) unstable; urgency=low 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 - * replace MPICH-1 test suite by the one from MPICH 3.0.4. Can be built using + * 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 @@ -68,14 +158,24 @@ SimGrid (3.10pre1) unstable; urgency=low * 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 + * 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:yes allows to circumvent this issue. + --cfg=clean_atexit:no allows to circumvent this issue. + + Build System: + * Lots of memory leaks were corrected in this release. + There is no known memory leaks anymore, in all of our 600+ tests. + * 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. --- Mon Oct 7 2013 Da SimGrid team + -- Sun Nov 17 00:26:44 CET 2013 Da SimGrid team SimGrid (3.9) stable; urgency=low @@ -151,7 +251,7 @@ SimGrid (3.9) stable; urgency=low TRACING: * Transfer the tracing files into the corresponding modules. - -- Tue Feb 5 11:31:43 CET 2013 Da SimGrid team + -- Tue Feb 5 11:31:43 CET 2013 Da SimGrid team SimGrid (3.8.1) stable; urgency=low @@ -198,7 +298,7 @@ SimGrid (3.8) stable; urgency=low * New option "enable_mallocators" to disable mallocators, for debugging purpose ("on" by default). - Simix: + SIMIX: * Bug fixes around the resource failures: don't let the processes survive the host they are running onto. * Add an interface to auto-restart processes when the host in which they are @@ -451,7 +551,7 @@ SimGrid (3.7) stable; urgency=low Turn model-checking OFF if simulation performance matters to you. Not enabling it at runtime is not enough, disable it in cmake. - -- Tue May 15 11:30:19 UTC 2012 Da SimGrid team + -- Tue May 15 11:30:19 UTC 2012 Da SimGrid team SimGrid (3.6.2) stable; urgency=low