+SimGrid (2.94-cvs) UNRELEASED
+
+----
+TODO
+----
+
+- Stop layering gras over msg?
+- Pre-compilation of data_send/recv?
+- Exception revolution?
+All of them seem to be post-SG3 issues.
+
+Rather finalize what's underway and finish the Big Cleanup:
+ - Check what can be cut from the xbt
+ - "pull" code diffusion in graspe
+ - add a real implementation (even if simplistic) to gras_os_myname
+
+----
+DONE
+----
+ [Arnaud]
+ (documentation)
+ * Update the main page and the FAQ. Adding references to gforge.
+
+ (gras)
+ * Add a gras_os_getpid function.
+
+ (msg)
+ * Add MSG_task_get_compute_duration() and MSG_task_get_data_size()
+ * Extend the logs so that they also print PID, hostname, date, ... if
+ available.
+ * Convert the MSG example to the use of xbt_logs instead of PRINT_MESSAGE,
+ and kill the old version which were in testsuite/
+ * Rewrite tools/MSG_visualization/colorize.pl for using with logs instead
+ of PRINT_MESSAGE
+
+ (xbt)
+ * Add xbt_os_time(). As the rest of xbt/portability, this is not public
+ for users. Instead, each programming environment (GRAS, MSG,...) use it
+ when needed to provide such a feature to users.
+ Don't shortcut the mecanism or you will also shortcut the virtualization
+ you need on the simulator.
+
+ [Martin]
+ (infrastructure)
+ * Cleanups in configury with regard to compile optimization/warning flags.
+ Also add -fno-loop-optimize to any powerpc since it's the optimization
+ killing gcc (< 3.4.0).
+ * Doxygen cleanups: move MSG examples, kill the second Doxygen phase
+ needed by MSG examples complications
+ * Borrow configury beautifications from PHP
+
+ (xbt)
+ * Bugfix: XBT_LOG_NEW_DEFAULT_CATEGORY now compiles without compiler
+ warning (thanks loris for stumbling into this one).
+
+ (gras)
+ * Change SIMGRID_INSTALL_PATH to GRAS_ROOT in Makefiles generated for user.
+ * Rename gras_get_my_fqdn to gras_os_myname and implement it in the simulator
+ RL would imply a DNS resolver, which is *hard* to do in a portable way
+ (and therefore delayed).
+ * Implement a real timer mecanism and use it in timing macros. This allows
+ to avoid rounding errors and get a 0.000005 sec precision in timing
+ macros. While I was at it, various cleanups:
+ - allow to declare more than one timed section per file (fix a stupid bug)
+ - move some private declaration to the right place
+ - merge conditional execution and timing macros into emulation module
+ - document the module
+ - make sure the module cleanups its mess on gras_exit
+
+ --
+
+SimGrid (2.93) unstable; urgency=low
+
+ Alpha 4 on the path to SimGrid 3 (aka the "neuf-trois" version)
+
+ [Arnaud]
+ - Use Paje properly where used. Still to be sanitized properly.
+ - Portability fix: Add an implementation of the contexts using pthread
+
+ [Martin]
+ (misc)
+ - Add xbt_procname(): returns the name of the current process.
+ Use it to show the current process's name in all logging.
+ (infrastructure)
+ - fix detection of older flex version and the reaction, since we do
+ depend on modern ones (we use lex_destroy)
+ - Better separation of SG and RL in the libs: remove all simulation code
+ from libgras. As a result, this lib is now only 200k when stripped.
+ Some of the xbt modules may also be duplicated (two sets and such) and
+ should be cleaned/killed before SG3.
+ - Insist on using xlC on AIX because of weird problems involving gcc there.
+ - Cleanup the make remote stuff. This is now done by scripts
+ tools/graspe-{master,slave} (GRAS Platform Expender). This is still
+ mainly for our private use, but we're working on changing them to user
+ tools, too.
+ (gras)
+ - Bugfix: flush the socket on close only if there is some *output*.
+ - Bugfix: flush idempotent when there's nothing to send (don't send size=0)
+ (msg)
+ - Add MSG_task_get_name. The task names are mainly for debugging purpose,
+ but anyway.
+
+ -- SimGrid team <simgrid2-users@listes.ens-lyon.fr> Fri, 4 Mar 2005 14:32:37 -0800
+
+SimGrid (2.92) unstable; urgency=low
+
+ Alpha 3 on the path to SimGrid 3
+
+ [Arnaud]
+ (gras)
+ - New! First try of benchmarking macros.
+ - New! First try so that gras_stub_generator generate deployment and
+ remote compilation helpers.
+ (msg)
+ - Bugfix: Initialization fix in msg_test.
+
+ [Martin]
+ (surf)
+ - Bugfix: applied patch to lexer so that it doesn't need a huge heap.
+ (xbt)
+ - Bugfix: let dicts work with NULL content (_foreach didn't) and cleanups
+ (gras)
+ - API Change: gras_os_sleep to take the amount of seconds as a double.
+ Accepting an int was error prone since it was the only location where
+ seconds were coded as such. It leaded to damn rounding errors.
+ - Bugfix: Hard to belive that timers ever worked before this.
+
+ -- SimGrid team <simgrid2-users@listes.ens-lyon.fr> Wed, 23 Feb 2005 22:09:21 +0100
+
SimGrid (2.91) unstable; urgency=low
Alpha 2 on the path to SimGrid 3
(surf)
- Bug fix in the lmm_solver.
(msg)
- - Interface to Paje (see http://www-id.imag.fr/Logiciels/paje/) through the function
- MSG_paje_output.
- - Introducing two new functions MSG_process_kill() and MSG_process_killall().
+ - New! Interface to Paje (see http://www-id.imag.fr/Logiciels/paje/)
+ through the function MSG_paje_output.
+ - New! Introducing two new functions MSG_process_kill() and MSG_process_killall().
- It is possible to bound the rate of a communication in MSG with
MSG_task_put_bounded() (was already in the previous version but I had forgotten
to write it in the changelog).
- Begin to move Gras examples to examples/gras/
- Let make distcheck work again (yeah!)
(documentation)
- - documentation overhault using doxygen.
+ - documentation overhauled using doxygen.
gtk-doc-tools is dead in SimGrid now.
- Automatically extract all existing logging categories, and add the list
to the documentation (long standing one, to say the less)
(gras)
- Cleanup the known architecture table. Reorder the entries to group what
- should be, and use a more consistant naming scheme.
+ should be, and use a more consistent naming scheme.
(some of the test dataset are still to be regenerated)
- - Allow library to register globals on each process just as userdata does.
+ - New! Allow library to register globals on each process just as userdata
+ does.
This is implemented using a xbt_dict and not a xbt_set, so we loose the
lookup time (for now).
Use it in msg and trp.
This cleans a lot the internals and helps enforcing privacy of the
headers between the gras components.
+ - New! Add a timer mechanism, not unlike cron(8) and at(1).
- Bugfix: gras_os_time was delirious in RL.
- - Reenable GRAS
+ - Bugfix: gras_trp_select/RL don't run into the wall when asked to select
+ onto 0 sockets.
+ - Reenable GRAS now that it works.
- --
+ -- Arnaud Legrand <Arnaud.Legrand@imag.fr> Mon, 14 Feb 2005 14:02:13 -0800
SimGrid (2.90) unstable; urgency=low
SimGrid now comprises 3 different projects : MSG, GRAS and SMPI.
I wanted to release the new MSG as soon as possible and I have
broken GRAS, which is the reason why, for now, only MSG is fully
- functionnal. A laconic description of these projects is available
+ functional. A laconic description of these projects is available
in the documentation.
* REVOLUTION 2: I have removed SG and I am now using a new simulation
Have a look in tools/platform_generation. There is a tiny script
that converts from the old platform format to the new one. Concerning
the application deployment format, parsing the old one is tricky.
- I think most of you should hower be able to convert your files. If
+ I think most of you should however be able to convert your files. If
it is really an issue, I can write a C code that does the conversion.
Let me know.
2) the toolbox tbx does not exist anymore. We now have a library
*****************************************************************************
* Follows the old GRAS changelog. It does not follow the same syntax, but I *
-* dont feel like converting the oldies. (Mt) *
+* don't feel like converting the oldies. (Mt) *
*****************************************************************************
2005-01-31 Arnaud
2004-11-28 Arnaud
- Main loop and datastructures of SURF. A cpu resource object is
- functionnal. Surf can thus be used to create cpu's with variable
+ functional. Surf can thus be used to create cpu's with variable
performance on which you can execute some actions.
2004-11-15 Martin Quinson
- Port to ARM. Simply added the alignment and size descriptions. Should
work, but the ARM machines are so slow that I didn't had the opportunity
- to 'make check' overthere yet.
+ to 'make check' over there yet.
2004-11-15 Arnaud Legrand
- Trace manager now written. It uses a heap structure and is therefore
- Rename every gras_* function that was in xbt/ to its xbt_
counterpart.
- Add a heap and a doubly-linked list to xbt
- - Added a dichotomy to the dictionnaries. make check works as well before
+ - Added a dichotomy to the dictionaries. make check works as well before
so I assume that the patch is correct. I do not know however if things
run effectively faster than before now. :)
- Introduction of the remote errors.
They are the result of a RMI/RPC on the remote machine.
ErrCodes being scalar values, you can't get the host on which those
- errors did happen. Extending the error mecanism as in Gnome is possible.
+ errors did happen. Extending the error mechanism as in Gnome is possible.
No idea yet whether it is a good idea.
2004-10-28 Martin Quinson
Note that the cycle detection is off by default since it impacts the
performance. Watch the data you feed GRAS with ;)
- This property is hereditary. Any element embeeded in a structure having it
+ This property is hereditary. Any element embedded in a structure having it
set have it set for the time of this data exchange.
You should set it both on sender and receiver side. If you don't set it on
It should allow to kill the last bits of gras first version soon.
- This is not completely satisfactory yet (dupplicate code with
- chunk_{send,recv}; a bit out of the plugin mecanism), but it should
+ This is not completely satisfactory yet (duplicate code with
+ chunk_{send,recv}; a bit out of the plugin mechanism), but it should
work.
- Simplify transport plugin (internal) interface by not passing any
- argument to _server and _client, but embeeding them in the socket
+ argument to _server and _client, but embedding them in the socket
struct directly.
2004-09-28 Martin Quinson
- Improvement to the remote testing toysuite
2004-07-10 Martin Quinson
- [autoconf mecanism]
+ [autoconf mechanism]
- get ride of a bunch of deprecated macros
- actually run the test for two-compliment, not only compile it :-/
- test whether the structures get packed (and bail out if yes. Damn.
2004-04-19 Martin Quinson
[Data description]
- - register init/exit functions within gras module mecanism
+ - register init/exit functions within gras module mechanism
- send/receive function.
Convertion is not implemented, but short-cutted if not needed.
struct/array elements are sent one by one (instead of block-wise), but
