X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/4902d15e1abe2deb191f7d1de97c734db55d659a..8a80f216e1cf65ffea72f3ac1fe7de5b33170b1e:/ChangeLog

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 SimGrid (3.3-cvs) unstable; urgency=low
 
- OVERALL CHANGES:
+ JAVA BINDINGS for MSG (you dreamt of them? We made them)
+  [Malek Cherier & Mt]
+
+ Introduce the SIMIX module: factorize code between MSG and GRAS.
+   [Bruno Donassolo]
+  Until now, GRAS were using MSG as an interface to SURF. It was
+   quite difficult because both interface have several differences
+   (MSG channels vs GRAS sockets were the most notable point).
+   
+  This also opens the gate to SMPI (which should occur soon) and speed
+   up simulations by to 40% (even if it were not the main goal).
+  
+ ************************************** 
+ *DO NOT MIX 3.2 RESULTS WITH 3.3 ONES* Simix may changes simulations!
+ **************************************
+   The point is that events occuring at the exact same timestamp are
+    not scheduled in the same order with the old and new version. This
+    may be enough to completely change the execution of simulations in
+    some cases. Sorry for the inconvenience.
+
+ GRAS:
+  * Convert the PIDs from long int to int to match the MSG ones (and
+    linux ones too) [Mt]
+  * New function: gras_agent_spawn() to launch a new process on
+    current host. Only working in simulation for now.. [Mt]
+  * New function: gras_os_hostport() returning a constant form (ie,
+    not needing to be freed) of "gras_os_hostname():gras_os_myport()"
+
+ XBT:
   * Make the backtrace of exceptions more human readable [Mt]
+  * New module: xbt/str [Mt]
+    a ton of string utility functions (split, join, printf to a newly
+    allocated buffer, trim, etc)
+  * New module: xbt/synchro [Mt]
+    synchronization tools (mutex and conditions) working the same way
+    in simulation and in real life (mainly useful for GRAS, but not
+    only).
+  * New module: xbt/queue [Mt]
+    classical producer/consumer synchronization scheme
 
  --