X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/54ee7129f9ecda8234c16550a465f3d3b75df294..eb680c004b00a59218e7cdaa77fc2c96066c3548:/ChangeLog diff --git a/ChangeLog b/ChangeLog index cea06b8307..893664d9bc 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,4 +1,41 @@ -SimGrid (3.32.1) not released yet (target december 22) +SimGrid (3.34.1) not released (Target: fall 2023) + +S4U: + - New class ActivitySet to ease wait_any()/test_any()/wait_all() + - Deprecate {Comm,Io,Exec}::{wait_any,wait_all,test_any} and friends + - New function NetZone::add_route(host1, host2, links) when you don't need gateways + Also add a variant with s4u::Link, when you don't want to specify the directions + on symmetric routes. + - Introduce a Mailbox::get_async() with no payload parameter. You can use the new + Comm::get_payload() once the communication is over to retrieve the payload. + +SMPI: + - New SMPI_app_instance_join(): wait for the completion of a started MPI instance + - MPI_UNIVERSE_SIZE now initialized to the total amount of hosts in the platform + +Python: + - Make the host_load plugin available from Python. See examples/python/plugin-host-load + - Mailbox::get_async() does not return a pair anymore. Use comm.get_payload() instead. + - Comm::waitall/waitany/testany() are gone. Please use ActivitySet() instead. + - Comm::waitallfor() is gone too. Its semantic was unclear on timeout anyway. + - Io::waitany() and waitanyfor() are gone. Please use ActivitySet() instead. + +C API: + - Introduce sg_activity_set_t and deprecate wait_all/wait_any/test_any for + Exec, Io and Comm. + +Plugins: + - Revamp the battery plugin: rewrite completely the API, for a better usability. + The examples were updated accordingly. + - Revamp of the Photovoltaic plugin: now called SolarPanel and complete rewrite of the API + - Add chiller plugin: enable the management of chillers consuming electrical energy + to compensate heat generated by hosts. + +---------------------------------------------------------------------------- + +SimGrid (3.34) June 26. 2023 + + Save the planet, skip a release: 3.33 was due 6 months ago, so skip directly to 3.34. General: - SimGrid now requires a compiler with C++17 support for public headers too. @@ -20,7 +57,7 @@ S4U: - New Task abstraction: They are designed to represent dataflows, i.e, graphs of repeatable Activities. See the examples under examples/cpp/task-* and the associated documentation. - Full simDAG integration: Activity::start() actually starts only when all dependencies - are fullfiled. If it cannot be started right away, it will start as soon as it becomes + are fulfilled. If it cannot be started right away, it will start as soon as it becomes possible. - Allow to set a concurrency limit on disks and hosts, as it was already the case for links. - Rename Link::get_usage() to Link::get_load() for consistency with Host:: @@ -42,7 +79,7 @@ New S4U plugins: See the examples under examples/cpp/photovoltaic-* and the documentation in the Plugins page. Kernel: - - optimize an internal datastructure (use a set instead of a list for ongoing activities), + - optimize an internal data structure (use a set instead of a list for ongoing activities), leading to a potentially big performance gain, in particular with many detached comms. MPI: @@ -52,7 +89,7 @@ MPI: Models: - Write the section of the manual about models, at least. - - WiFi: the total capacity of a link depends on the amout of flows on that link. + - WiFi: the total capacity of a link depends on the amount of flows on that link. - Use the nonlinear callback feature of LMM to reflect this. - Calibration values can be changed to match different MCS configurations - See the example teshsuite/models/wifi_usage_decay/wifi_usage_decay.cpp @@ -75,13 +112,15 @@ sthread: It requires code annotation, as shown in examples/sthread/stdobject/stdobject.cpp Model checking: + - Stateless model-checking is now usable on any system, including Mac OSX and ARM processors. + - The stateless aspects of the MC are now enabled by default in all SimGrid builds. + Liveness and stateful aspects are still controlled by the enabling_model-checking + configuration option. + - Introducing ODPOR and SDPOR reduction strategies + - Introducing guiding heuristics, trying to find bugs faster than DFS in reduced state space. - Synchronize the MBI tests with upstream. - - Show the full actor bactraces when replaying a MC trace (with model-check/replay) + - Show the full actor backtraces when replaying a MC trace (with model-check/replay) and the status of all actors on deadlocks in MC mode. - - The safety/stateless aspects of the MC are now enabled by default in all SimGrid builds. - Liveness and stateful aspects are still controled by the enabling_model-checking - configuration option. - - Stateless model-checking is now usable on any system, including Mac OSX and ARM processors. XBT: - simgrid::xbt::cmdline and simgrid::xbt::binary_name are gone.