From: thiery Date: Fri, 18 Feb 2011 14:35:07 +0000 (+0000) Subject: Update ChangeLog with new SIMIX flags and new MSG functions X-Git-Tag: v3.6_beta2~275 X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/ad6a1d252b5ed5ff7b78767d2286091e43800ff8?ds=sidebyside Update ChangeLog with new SIMIX flags and new MSG functions git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/simgrid/simgrid/trunk@9662 48e7efb5-ca39-0410-a469-dd3cf9ba447f --- diff --git a/ChangeLog b/ChangeLog index adec161972..4d0aefe1ff 100644 --- a/ChangeLog +++ b/ChangeLog @@ -6,6 +6,18 @@ SimGrid (3.6) unstable; urgency=low you just have to fix the initialization, that shouldn't be too long) * Kill the braindead MSG_task_refcount_dec() function. I guess nobody ever managed to do anything useful with it. + * New function MSG_comm_testany(). Similarly to MSG_comm_waitany(), it + takes a dynar of communications. It returns immediately and gives the + index of a finished communication (if any) + * New function MSG_comm_get_status(). MSG_comm_test() and MSG_comm_testany + only say if a communication is finished, no matter whether is succeeded or + failed. You can call MSG_comm_get_status() to have the status of a finished + communication. + * New function MSG_task_dsend() to send a task and detach it. When a + communication is detached, you are never notified of its success or failure + and the memory is released automatically once it is finished. This function + is useful when you don't care about the success nor the duration of a + communication. SURF * New model for multi-core CPUs. You can now use the core attribute to @@ -23,12 +35,19 @@ SimGrid (3.6) unstable; urgency=low combine Vivaldi based latencies with last-mile platforms. Simix - * 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 + ucontext 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. + compilation time. Use --cfg=contexts/factory:raw for maximal speed. + * Add an option --cfg=contexts/stacksize:N to set the stack size of the user + contextes at runtime (only with raw contexts or ucontexts). + * Completely rewrote this module to allow parallel execution of user + processes. Use --cfg=contexts/nthreads:N to execute user processes + with N parallel threads (the default is 1, meaning no parallelism). + * Allow to decide dynamically between sequential and parallel modes. + When nthreads > 1, you can use --cfg=contexts/threshold:P to run the user + processes in parallel only when their number is greater than or equal to P. XBT * Add a new function xbt_dynar_to_array that transforms a dynar into a