X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/693f30b46244c152cd79cdf3ad35d4a79b866c9c..8ef8c31eb854d7dfc9b74deb757c42e682058145:/ChangeLog diff --git a/ChangeLog b/ChangeLog index 3b5d1c4e95..fe1d304eec 100644 --- a/ChangeLog +++ b/ChangeLog @@ -2,10 +2,14 @@ SimGrid (3.8) NOT RELEASED; urgency=low The "SimGrid makes psssshiiiit and jumps into the cloud" release. - CMAKE: + 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. + + Documentation: + * Split the doc into a user guide and a reference guide. MSG: * Add an experimental interface to manipulate VMs. They are mainly @@ -13,33 +17,64 @@ SimGrid (3.8) NOT RELEASED; urgency=low 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 + 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 + * 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 MSG_clean(). No need to call it anymore. Simix: * Bug fixes around the resource failures: don't let the processes - survive the host they are running onto + 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: * 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 - that corresponds to the non-parallelizable part of the computation. - SD_TASK_COMM_PAR_MXN_1D_BLOCK represents a complex data redistribution - between two sets of workstations assuming a 1D block distribution (each - workstation owns a similar share of data) on both sides. + that corresponds to the non-parallelizable part of the computation. + SD_TASK_COMM_PAR_MXN_1D_BLOCK represents a complex data redistribution + between two sets of workstations assuming a 1D block distribution (each + workstation owns a similar share of data) on both sides. - These tasks can be scheduled with SD_task_schedulel or SD_task_schedulev. - Data redistribution will be automatically scheduled once parent and child + These tasks can be scheduled with SD_task_schedulel or SD_task_schedulev. + Data redistribution will be automatically scheduled once parent and child are both scheduled. The filling of computation_amount and communication_amount structures is now done seamlessly thanks to the chosen assumptions. * New function SD_workstation_dump to display various information - + * New function SD_task_set_rate to throttle the bandwidth allowed to be used + by a SD_TASK_COMM_E2E typed task. This rate depends on both the nominal + bandwidth on the route onto which the task is scheduled and the amount of + data to transfer. + To divide the nominal bandwidth by 2, the rate then has to be : + rate = bandwidth/(2*amount) + * Compute tasks that have failed can now be rescheduled and executed again + (from their beginning) + * Increasing source code coverage (src/simdag is now covered at 95.8% + on average) + + SMPI: + * 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 the exchange of non-contiguous data. + [Khalid Hasanov & Jean-Noel Quintin] Thanks for the patch, guys. + XBT: * Functions xbt_dict_hash() and xbt_dict_hash_ext() are made public, - and renamed to xbt_str_hash() and xbt_str_ext()._ + 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. -- $date Da SimGrid team @@ -187,7 +222,7 @@ SimGrid (3.7) stable; urgency=low - Add new runtime parameters --help-logs and --help-log-categories to display informations about supported logging parameters and categories. - - Old deprecated parameters --{gras,surf,msg.simix,xbt}-log=... + - Old deprecated parameters --{gras,surf,msg,simix,xbt}-log=... don't exists anymore. * Mallocators: allow value NULL for the reset function. * Dicts: