X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/1c712008ba8d59e1f90b173a86a8bbeef5edbaed..0ff4dff37f24765b66f1bb364dfe2c05d587d4d8:/ChangeLog diff --git a/ChangeLog b/ChangeLog index bd7d97aa56..19700f0481 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,7 +1,33 @@ SimGrid (3.6) unstable; urgency=low + MSG + * Change the prototypes of action replay. Sorry for inconvenience, + but this is really more efficient this way. + * Kill the braindead MSG_task_refcount_dec() function. I guess nobody + ever managed to do anything useful with it. + + SURF + * New model for multi-core CPUs. You can now use the core attribute to + precise the number of cores of a host. This is a basic model. Every + process running on the host receive at most the power provided in + the DTD (throughput<=power). Total throughput of process cannot exceed + power * num_cores. + * New peer tag. This peer tag creates a tiny AS comprising a host and a + router linked by an up-link and a down-link (possibly asymmetrical). + This kind of pattern allows to easily build last-mile model style platforms. + Aggregating such patterns in a rule-based AS is thus the technique of + choice for modeling large peer-to-peer/volunteer computing/cloud platforms. + * New model for Vivaldi routing. We transformed the Vivaldi network model + into a Vivaldi routing model (based on the rule-based model). This allows to + combine Vivaldi based latencies with last-mile platforms. + Simix - * completely rewrote this module to allow parallel execution. + * Completely rewrote this module to allow parallel execution. + * Introduce a new context factory "raw", highly inspirated from the + context factory, but using manually crafted functions in assembly to + do the work in an efficient manner. + * Allow to change the used context factory at run time, not only at + compilation time. Use --cfg=simix/context:raw for maximal speed. XBT * Add a new function xbt_dynar_to_array that transforms a dynar into a @@ -9,6 +35,25 @@ SimGrid (3.6) unstable; urgency=low due to the change to return type of SD_Simulate. See also: http://lists.gforge.inria.fr/pipermail/simgrid-user/2010-December/002206.html + INSTR + * New configuration options + Options triva/categorized and triva/uncategorized can be used to generate + graph configuration files for Triva visualization tool. + * Configuration option tracing/platform is renamed to tracing/categorized + * XBT logging makes tracing error checks easier, new root log hierarchy: instr + * New TRACE_user_link_variable interface: + User provides the name of the link and the tracing variable to attach to it + * the declaration of tracing categories must be done after the environment creation + * simpler tracing interface, just one way to declare categories + TRACE_category or TRACE_category_with_color, it is up to you + * links in the trace file are again identified by their names + * trace contains the full platform hierarchy exactly as declared using the ASes + * Options tracing/msg/[task|process]:1 groups the process by hosts + for both cases, tasks and processes must have names that are unique during the simulation + these options generate traces that are suited to gantt-charts, such as the space-time view of Paje + * The experimental option tracing/msg/volume is deprecated + its functionality may be reincorporated if needed + -- Da SimGrid team SimGrid (3.5) stable; urgency=medium