X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/7637ba17c1379d39b80d0b2304a47231f5ec5ff4..51f0b3ebf52e6b7c6422e0be68bfc7a8cf732eb3:/ChangeLog diff --git a/ChangeLog b/ChangeLog index 393ab80104..c6c01329da 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,49 +1,175 @@ -SimGrid (3.8) NOT RELEASED; urgency=low +SimGrid (3.10) NOT RELEASED; urgency=low - The "SimGrid makes psssshiiiit and jumps into the cloud" release. + 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 + + 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 + cached in the Java world - Cmake: - * 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). + 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 + + SMPI: + * SMPI is now included directly in the libsimgrid as the windows + linker dont forces 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. + - 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) + + PLATFORM: + * Handle units for values (10ms, 10kiloflops, 10Bps, ...) + * Remove rule based routing (no more pcre dependency) + +-- $date Da SimGrid team + +SimGrid (3.9) stable; 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: - * Split the doc into a user guide and a reference guide. + * Major overhaul. Merge our documentation again as time proved that + splitting it was really not helping our users. + * Further improve the developer documentation to help newcomers + 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. + * (Hopefully) fix a bug wrt periodic availability and state traces + * 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 + use case where it's really mandatory, and maintaining it was a pain in + our code base. + * 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: + * Transfer the tracing files into the corresponding modules. + + -- Tue Feb 5 11:31:43 CET 2013 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. + * 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). 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 the public interface anymore (bindings should be updated). SimDag: - * Bug fix for when SD_Simulate is called with a positive value: be careful - when comparing doubles. Sometimes they are different for non significant - digits only. + * Bug fix for when SD_Simulate is called with a positive value: be careful + when comparing doubles. Sometimes they are different for non significant + digits only. * New types of typed tasks. SD_TASK_COMP_PAR_AMDAHL represents a parallel task whose initial work is distributed among host according to the Amdahl's law. Such tasks are created with a parameter alpha @@ -73,15 +199,43 @@ 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, + 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 support of MPI_Iprobe, MPI_Probe, MPI_Testall, MPI_Wtick functions + * 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(). * New function: xbt_os_timer_resume() to restart a timer w/o resetting it. + * 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 @@ -2374,7 +2528,7 @@ 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