X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/1a64ca4c11a1eb7ba2ecd102f877ac571486a034..2ef958bf49890e4ac8fbe179f1d339b923fb67a8:/examples/cpp/plugin-host-load/s4u-plugin-host-load.cpp diff --git a/examples/cpp/plugin-host-load/s4u-plugin-host-load.cpp b/examples/cpp/plugin-host-load/s4u-plugin-host-load.cpp index 4aef718a0f..c981c691e9 100644 --- a/examples/cpp/plugin-host-load/s4u-plugin-host-load.cpp +++ b/examples/cpp/plugin-host-load/s4u-plugin-host-load.cpp @@ -1,4 +1,4 @@ -/* Copyright (c) 2007-2021. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2007-2023. The SimGrid Team. All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it * under the terms of the license (GNU LGPL) which comes with this package. */ @@ -7,37 +7,38 @@ #include "simgrid/s4u.hpp" XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_test, "Messages specific for this s4u example"); +namespace sg4 = simgrid::s4u; static void execute_load_test() { - s4u_Host* host = simgrid::s4u::Host::by_name("MyHost1"); + s4u_Host* host = sg4::Host::by_name("MyHost1"); XBT_INFO("Initial peak speed: %.0E flop/s; number of flops computed so far: %.0E (should be 0) and current average " "load: %.5f (should be 0)", host->get_speed(), sg_host_get_computed_flops(host), sg_host_get_avg_load(host)); - double start = simgrid::s4u::Engine::get_clock(); + double start = sg4::Engine::get_clock(); XBT_INFO("Sleep for 10 seconds"); - simgrid::s4u::this_actor::sleep_for(10); + sg4::this_actor::sleep_for(10); double speed = host->get_speed(); XBT_INFO("Done sleeping %.2fs; peak speed: %.0E flop/s; number of flops computed so far: %.0E (nothing should have " "changed)", - simgrid::s4u::Engine::get_clock() - start, host->get_speed(), sg_host_get_computed_flops(host)); + sg4::Engine::get_clock() - start, host->get_speed(), sg_host_get_computed_flops(host)); // Run an activity - start = simgrid::s4u::Engine::get_clock(); + start = sg4::Engine::get_clock(); XBT_INFO("Run an activity of %.0E flops at current speed of %.0E flop/s", 200E6, host->get_speed()); - simgrid::s4u::this_actor::execute(200E6); + sg4::this_actor::execute(200E6); XBT_INFO( "Done working on my activity; this took %.2fs; current peak speed: %.0E flop/s (when I started the computation, " "the speed was set to %.0E flop/s); number of flops computed so " "far: %.2E, average load as reported by the HostLoad plugin: %.5f (should be %.5f)", - simgrid::s4u::Engine::get_clock() - start, host->get_speed(), speed, sg_host_get_computed_flops(host), + sg4::Engine::get_clock() - start, host->get_speed(), speed, sg_host_get_computed_flops(host), sg_host_get_avg_load(host), 200E6 / (10.5 * speed * host->get_core_count() + - (simgrid::s4u::Engine::get_clock() - start - 0.5) * host->get_speed() * host->get_core_count())); + (sg4::Engine::get_clock() - start - 0.5) * host->get_speed() * host->get_core_count())); // ========= Change power peak ========= int pstate = 1; @@ -47,39 +48,39 @@ static void execute_load_test() pstate, host->get_pstate_speed(pstate), host->get_speed(), sg_host_get_avg_load(host)); // Run a second activity - start = simgrid::s4u::Engine::get_clock(); + start = sg4::Engine::get_clock(); XBT_INFO("Run an activity of %.0E flops", 100E6); - simgrid::s4u::this_actor::execute(100E6); + sg4::this_actor::execute(100E6); XBT_INFO("Done working on my activity; this took %.2fs; current peak speed: %.0E flop/s; number of flops computed so " "far: %.2E", - simgrid::s4u::Engine::get_clock() - start, host->get_speed(), sg_host_get_computed_flops(host)); + sg4::Engine::get_clock() - start, host->get_speed(), sg_host_get_computed_flops(host)); - start = simgrid::s4u::Engine::get_clock(); + start = sg4::Engine::get_clock(); XBT_INFO("========= Requesting a reset of the computation and load counters"); sg_host_load_reset(host); XBT_INFO("After reset: %.0E flops computed; load is %.5f", sg_host_get_computed_flops(host), sg_host_get_avg_load(host)); XBT_INFO("Sleep for 4 seconds"); - simgrid::s4u::this_actor::sleep_for(4); + sg4::this_actor::sleep_for(4); XBT_INFO("Done sleeping %.2f s; peak speed: %.0E flop/s; number of flops computed so far: %.0E", - simgrid::s4u::Engine::get_clock() - start, host->get_speed(), sg_host_get_computed_flops(host)); + sg4::Engine::get_clock() - start, host->get_speed(), sg_host_get_computed_flops(host)); // =========== Turn the other host off ========== - s4u_Host* host2 = simgrid::s4u::Host::by_name("MyHost2"); + s4u_Host* host2 = sg4::Host::by_name("MyHost2"); XBT_INFO("Turning MyHost2 off, and sleeping another 10 seconds. MyHost2 computed %.0f flops so far and has an " "average load of %.5f.", sg_host_get_computed_flops(host2), sg_host_get_avg_load(host2)); host2->turn_off(); - start = simgrid::s4u::Engine::get_clock(); - simgrid::s4u::this_actor::sleep_for(10); + start = sg4::Engine::get_clock(); + sg4::this_actor::sleep_for(10); XBT_INFO("Done sleeping %.2f s; peak speed: %.0E flop/s; number of flops computed so far: %.0E", - simgrid::s4u::Engine::get_clock() - start, host->get_speed(), sg_host_get_computed_flops(host)); + sg4::Engine::get_clock() - start, host->get_speed(), sg_host_get_computed_flops(host)); } static void change_speed() { - s4u_Host* host = simgrid::s4u::Host::by_name("MyHost1"); - simgrid::s4u::this_actor::sleep_for(10.5); + s4u_Host* host = sg4::Host::by_name("MyHost1"); + sg4::this_actor::sleep_for(10.5); XBT_INFO("I slept until now, but now I'll change the speed of this host " "while the other actor is still computing! This should slow the computation down."); host->set_pstate(2); @@ -88,17 +89,17 @@ static void change_speed() int main(int argc, char* argv[]) { sg_host_load_plugin_init(); - simgrid::s4u::Engine e(&argc, argv); + sg4::Engine e(&argc, argv); xbt_assert(argc == 2, "Usage: %s platform_file\n\tExample: %s ../platforms/energy_platform.xml\n", argv[0], argv[0]); e.load_platform(argv[1]); - simgrid::s4u::Actor::create("load_test", simgrid::s4u::Host::by_name("MyHost1"), execute_load_test); - simgrid::s4u::Actor::create("change_speed", simgrid::s4u::Host::by_name("MyHost1"), change_speed); + sg4::Actor::create("load_test", e.host_by_name("MyHost1"), execute_load_test); + sg4::Actor::create("change_speed", e.host_by_name("MyHost1"), change_speed); e.run(); - XBT_INFO("Total simulation time: %.2f", simgrid::s4u::Engine::get_clock()); + XBT_INFO("Total simulation time: %.2f", sg4::Engine::get_clock()); return 0; }