X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/07c06cd14d7a5cdbce6fbe2c5465dcc32596f12a..8e9f3ce9f2e2546fe06f3a2057c17770ca755895:/ChangeLog diff --git a/ChangeLog b/ChangeLog index 30654b9700..2cf30fd7ac 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,4 +1,87 @@ -SimGrid (3.8) NOT RELEASED; urgency=low +SimGrid (3.9) NOT RELEASED; urgency=low + + The Grasgory release: GRAS is really dead now. + + * Complete overhaul of the internal host structures scheme. + + 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. + + Documentation: + * Major overhaul. Merge our documentation again as time proved that + spliting it was really not helping our users. + * Further improve the developer documentation to help newcommers + hacking on SimGrid itself. The user documentation (and in + particular, the beginner documentation) is still in a sorry state. + + SMPI: + * Now works on Windows too! + * Much more extensive test suite, from MPICH + + SIMDAG: + * Add a new loader (SD_PTG_dotload) that creates a parallel task graph + (i.e., a DAG whose nodes are parallel tasks) from a dot file. Creates a dynar + of SD_TASK_COMP_PAR_AMDAHL and SD_TASK_COMM_MXN_1D_BLOCK tasks. + * Bug fix: let task be scheduled when the last dependency to be solved is a + control dependency. + * Remove SD_load_environment_script function. + Use the C sg_platf function if you want to declare a platform programmatically + + MSG: + * New function: MSG_process_get_number() + * Old function documented: MSG_config() + * Remove MSG_load_platform_script function + Use the C sg_platf function if you want to declare a platform programmatically + + 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. + + LUA: + * Fix the lua deployment: + Use `simgrid.init_application()` before deployment instead of + `simgrid.msg_register_application()` after. + + TRACING: + * Transfert the tracing files into the corresponding modules. + + -- $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. @@ -11,10 +94,10 @@ SimGrid (3.8) NOT RELEASED; urgency=low * 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). + 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). @@ -75,19 +158,19 @@ 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 + * 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. + * 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 @@ -95,6 +178,15 @@ SimGrid (3.8) NOT RELEASED; urgency=low * 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(). @@ -102,7 +194,7 @@ 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 @@ -2395,7 +2487,7 @@ 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