X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/bf2c5d4d8474e3d5d414f1b722716128f43ad4d2..1a8e5af34045d9f65169ce4766b0131dfe7825f2:/ChangeLog diff --git a/ChangeLog b/ChangeLog index 3231779dc4..067482d9f4 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,32 +1,90 @@ -SimGrid (3.8) NOT RELEASED; urgency=low +SimGrid (3.9) NOT RELEASED; urgency=low - The "SimGrid makes psssshiiiit and jumps into the cloud" release. + The Grasgory release: GRAS is really dead now. + + GRAS: + * If you use GRAS, you should stay at SimGrid 3.5 (at most) since it + was considered as experimental and badly maintained since then. + * Keeping it was thus a trap to our potential users, that could take + it instead of MSG or SMPI by mistake despite is pity state. + * GRAS seems to have very few users (if any), and no one volunteered + to maintain it further. It also induces a lot of XBT code (for + portability sake), that must be maintained too. + * For all these reasons, we killed GRAS. If someone wants to revive it + in the future, don't cry, our git history still remembers of GRAS. + + SMPI: + * Now works on Windows too! + * Much more extensive test suite, from MPICH + + MSG: + * New function: MSG_process_get_number() + * Old function documented: MSG_config() + + SURF: + * Change the default value of the TCP_gamma constant (maximal size of TCP + congestion window) to a more realistic 4MiB value. If you notice changes in + your simulation results, you can fall back to the previous 20k tiny window + by adding --cfg=network/TCP_gamma:20000 on command line. + * Bug fix about the way periodic availability/state traces are handled. + * Bug fix: use default values at start when first event in availability/state + trace is not at time 0. + + PLATFORM: + * remove the "new_" part of function name sg_platf_new_trace_connect + (resulting in sg_platf_trace_connect), since it does not create + anything new + + XBT: + * Kill synchronized dynars, and xbt_dynar_dopar(). We cannot think of a + usecase where it's really mandatory, and maintaining it was a pain in + our codebase. + * New: xbt_fifo_search(), search an item with a user-provided + comparison function instead of dumb pointer comparison. + + -- $date Da SimGrid team + +SimGrid (3.8.1) stable; urgency=low + + The "we are told that some people want to also *install* the simgrid + framework" release. + + * Add missing file "tesh.1" to the archive. + + -- Sat Oct 27 16:12:11 CEST 2012 Da SimGrid team + +SimGrid (3.8) stable; urgency=low + + The Psssshiiiit release: SimGrid jumps into the Cloud. MSG: * Add an experimental interface to manipulate VMs. They are mainly process groups with very few intrinsic semantic, but they should allow you to build the semantic you want easily. * New function: MSG_host_set_property_value() - * Deprecate functions MSG_global_init() / MSG_global_init_args() - Please use MSG_init() instead. (reducing the amount of entry - points in the library helps us). - * Make it impossible to link against the wrong version of the lib + * New function: MSG_process_on_exit(). To clean memory in all cases. * Bug fixes that made the host (and link) failures unusable. * Add a way to auto-restart process when the host in which they are executing comes back (ON_FAILURE="RESTART" on deployment file, MSG_process_auto_restart_set). * Use the "msg_" prefix for all datatypes (instead of m_, msg_ and MSG_), please stop using the old ones, they are DEPRECATED. + + * Deprecate functions MSG_global_init() / MSG_global_init_args() + Please use MSG_init() instead. (reducing the amount of entry + points in the library helps us). + * Make it impossible to link against the wrong version of the lib * Deprecate MSG_clean(). No need to call it anymore. * Function MSG_get_host_number() is not deprecated anymore. Documentation: * Split the doc into a user guide and a reference guide. + * Start a developper guide to help people hacking on SimGrid. Cmake: + * Enable tracing by default. This modules rocks you should use it. * Remove option custom_flags. Now use environment variables CFLAGS and LDFLAGS. - * Enable tracing by default. This modules rocks you should use it. * Use default cmake things to detect lua instead of home grown ones. * New option "enable_mallocators" to disable mallocators, for debugging purpose ("on" by default). @@ -34,8 +92,6 @@ SimGrid (3.8) NOT RELEASED; urgency=low Simix: * Bug fixes around the resource failures: don't let the processes survive the host they are running onto. - * Add an interface to execute cleanup functions when a process is killed, - to avoid memory leaks. * Add an interface to auto-restart processes when the host in which they are executing comes back. * Ensures that SIMIX_clean is called automatically. It's not part of @@ -74,22 +130,35 @@ SimGrid (3.8) NOT RELEASED; urgency=low * Re-implement time-independent trace replay using SMPI (at the smpi_smp_* level) instead of MSG. This should replace examples/msg/actions/actions.c - * Implement support of MPI Datatypes (vectors, hvectors, indexed, + * Implement support of MPI Datatypes (vectors, hvectors, indexed, hindexed and structs) * Implement the exchange of non-contiguous data. [Khalid Hasanov & Jean-Noel Quintin] Thanks for the patch, guys. * Correct behavior of smpi/sender_gap and set its default value to 0 - * Add option to asynchronously send small messages to allow better - simulation of pt2pt communications. --cfg=smpi/async_small_threshold:value - specifies the size in bytes under which messages will be asynchronously sent. + * Add option to asynchronously send small messages to allow better + simulation of pt2pt communications. --cfg=smpi/async_small_threshold:value + specifies the size in bytes under which messages will be asynchronously sent. * Add support of MPI_Iprobe, MPI_Probe, MPI_Testall, MPI_Wtick functions - * SMPI now handles more MPI specific values in input. Closes [#14389] and [#14388] - - + * SMPI now handles more MPI specific values in input. Closes [#14389] and [#14388] + SimGrid: + * New C interface to define a platform: XML is now optional. + For more info, please check include/simgrid/platf.h. + * New interface to define random platforms from the C: + For more info, please check include/simgrid/platf_generator.h and + examples/msg/masterslave/masterslave_platfgen.c * Export a sg_cmdline dynar containing all the arguments we got from the command line. + TRACE: + * Two new tracing options for adding comments to trace file so you + can track your experiments (see --help-tracing for details). + * New option to generate a impoverished trace file (--cfg=tracing/basic:1) + * Adding the SimGrid version that generated the trace file as a comment. + * Instrumenting other MSG functions (MSG_task_isend_with_matching and MSG_task_dsend) + * Fix to avoid key clashes on Paje links + * Other minor fixes related to the Paje specification + XBT: * Functions xbt_dict_hash() and xbt_dict_hash_ext() are made public, and renamed to xbt_str_hash() and xbt_str_hash_ext(). @@ -97,7 +166,7 @@ SimGrid (3.8) NOT RELEASED; urgency=low * Greatly improve the robustness of mmalloc to user errors (such as using an area after freeing it, or freeing it twice) - -- $date Da SimGrid team + -- Thu Oct 25 17:30:06 CEST 2012 Da SimGrid team SimGrid (3.7.1) stable; urgency=low @@ -2390,7 +2459,7 @@ SimGrid (2.90) unstable; urgency=low [Tests] - use gras_exit in example to track memleaks - get rid of gs_example now that GS is properly integrated into gras - - update run_test to integrate the lastest tests (datadesc) + - update run_test to integrate the latest tests (datadesc) [Logging] - rename WARNINGn macros to WARNn since it prooved error-prone