X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/c80ac1d99193533faa17f0075b9ce767a0d78eb8..59f0ccab0a7db2865dc859602d441822a79e855f:/ChangeLog diff --git a/ChangeLog b/ChangeLog index 8de9fc0e73..6f57f854dd 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,17 +1,20 @@ SimGrid (3.5) unstable; urgency=low - Checked up to svn r7858 (Mt) + Checked up to svn r8722 (Mt) MSG * Asynchronous communications through the functions: - MSG_task_isend/irecv and MSG_comm_test/wait + MSG_task_isend/irecv and MSG_comm_test/wait/waitall * New function: MSG_load_platform_script() to make possible using a lua script instead of XML files to set up platforms * New function: MSG_set_function to associate functions to processes, used when bypassing the parser + * New functions: MSG_task_set_name(), MSG_task_set_compute_duration() LUA Bindings * Add layer to set up environment directly from lua, without XML + * In GRAS, the effect of gras_stub_generator can be achieved through + lua too (check examples/gras/console/ping_generator.lua) * Modify the entry point, to take into consideration when lua is used only as a platform generator SURF @@ -19,12 +22,14 @@ SimGrid (3.5) unstable; urgency=low 3.5 introduces a new hierarchical format based on the notion of Autonomous Systems. Compatibility with old format is ensured through the perl script provided in the install bin directory - bin/simgrid_update_xml.pl. + bin/simgrid_update_xml. It is now possible to build platforms with specific routing mechanism (Full/Dijkstra/DijkstraCache/Floyd) and to easily connect several platforms together. We will try to provide soon set of realistic platforms exploiting these properties (have a look at examples/platforms/ for the moment). + * Take the opportunity to be a good XML citizen: rename link:ctn to + link_ctn and similar changes (also dealed with by simgrid_update_xml) * Add a new routing scheme (rule-based) using regular expressions. It enables to have an extremely low memory footprint when the underlying routing is simple and can be compactly described. You @@ -34,7 +39,9 @@ SimGrid (3.5) unstable; urgency=low term of memory and speed) connect clusters together. Have a look at teshsuite/simdag/platforms/ to see how this can be done. With this tag, you can create clusters with thousands of tasks at no - cost (have a look at examples/platforms/). + cost (have a look at examples/platforms/). + Note: clusters are implemented as ASes, so there is no need for an + enclosing AS tag if you have only one cluster in your platform. * Add new callbacks to the CPU & netwok models to create resources no need to pass through the parser callbacks to do so. * Add new function to create routes table via the routing model @@ -85,16 +92,20 @@ SimGrid (3.5) unstable; urgency=low format. This loader and the corresponding examples require the installation of the graphviz library. * new function SD_workstation_get_current_task() + * Task rate should be -1 by default + Using 0 as before caused TCP_gamma bound to be ignored. + This change modifies (fixes) almost every simdag timings. XBT * New data container: setset (set of sets of elements) * New module: mmalloc (mapped malloc, allowing to have several independent segments of malloc) * New function: xbt_dict_cursor_set_data() - * New function: xbt_dynar_sort() + * New functions: xbt_dynar_sort(), xbt_dynar_compare() * New function: xbt_dynar_is_empty() * New function: xbt_fifo_get_last_item() * Bug fix in xbt_dynar_shrink(): use the right element size + * Multiple bug fixes in semaphores which were wrongly implemented * Use library init/fini functions for our initialization. - you can use logs and other feature as soon as you want in your code (even before the xbt_init / MSG_init) @@ -102,13 +113,22 @@ SimGrid (3.5) unstable; urgency=low GRAS: * New function: gras_msgtype_get_name() - * Implement gras_spawn_agent in RL too (the prototype changed a bit) + * Implement gras_agent_spawn in RL too (the prototype changed a bit) + * Port GRAS to new SIMIX deployments. This allows gras users to + benefit from the lastest improvement to the simulation kernel. * Kill measurement sockets for now. If you rely on them, sorry. This release is not for you. This feature will be reintroduced in the future, but we cannot delay the release any further. + * Finally fixed the pmm example. It should not randomly fail anymore SMPI * New Model SMPI (three-interval linear regression for correction factors) + * Ability to use fortran MPI code (through f2c, automatically privatized) + * New MPI functions supported: MPI_Get_count(), MPI_Comm_split() + * New: RAM folding (see RR-7426, http://hal.inria.fr/inria-00527150) + and examples/smpi/NAS/DT-folding/ + * New feature: execution sampling (see RR-7426) + * See also src/smpi/README Build chain: bug fixes and overall polishing * Fix the 'make install' target. @@ -118,6 +138,12 @@ SimGrid (3.5) unstable; urgency=low * Compile java files only on need * Add --cd and --setenv command line options to tesh * Port to windows + * Out of source builds are not fully supported yet, but we are close + * Enable supernovae and optimization flags by default for our users + + Platforms: Add some more examples in examples/platforms + * Grid'5000: see www.grid5000.fr + * *_30000_hosts.xml: various huge files [mainly scalability testing] Tracing: * Tracing system @@ -143,6 +169,7 @@ SimGrid (3.5) unstable; urgency=low - To run the simulation with gdb, the simulator accepts --cfg=tracing/smpi:1 to trace SMPI - tesh files to check if smpi tracing is ok + - See examples/smpi/NAS/DT-trace * GTNetS tracing re-worked - adaptation to the tracing system of GTNets to cope