X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/aa21e04752d7b57bea7f50813607f237148f522b..b984090a5db912c59243b5559c6d29763f088d72:/examples/simdag/sd_test.c diff --git a/examples/simdag/sd_test.c b/examples/simdag/sd_test.c index 291ae49950..02bbd3870b 100644 --- a/examples/simdag/sd_test.c +++ b/examples/simdag/sd_test.c @@ -4,96 +4,65 @@ /* 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. */ -#include -#include #include "simgrid/simdag.h" #include "xbt/ex.h" #include "xbt/log.h" -XBT_LOG_NEW_DEFAULT_CATEGORY(sd_test, - "Logging specific to this SimDag example"); +XBT_LOG_NEW_DEFAULT_CATEGORY(sd_test, "Logging specific to this SimDag example"); int main(int argc, char **argv) { - int i; unsigned int ctr; - const char *platform_file; - const SD_workstation_t *workstations; - const char *name1; - const char *name2; - double computation_amount1; - double computation_amount2; - double communication_amount12; - double communication_amount21; - const SD_link_t *route; - int route_size; - SD_task_t task, taskA, taskB, taskC, taskD, checkB, checkD; + SD_task_t checkB, checkD; xbt_dynar_t changed_tasks; xbt_ex_t ex; - const int workstation_number = 2; - SD_workstation_t workstation_list[2]; + const int host_count = 2; + sg_host_t host_list[2]; double computation_amount[2]; double communication_amount[4] = { 0 }; double rate = -1.0; - SD_workstation_t w1, w2; /* initialization of SD */ SD_init(&argc, argv); - /* xbt_log_control_set("sd.thres=debug"); */ - - xbt_assert(argc > 1, "Usage: %s platform_file\n" - "\nExample: %s two_clusters.xml", argv[0], argv[0]); - - /* creation of the environment */ - platform_file = argv[1]; - SD_create_environment(platform_file); + xbt_assert(argc > 1, "Usage: %s platform_file\n\nExample: %s two_clusters.xml", argv[0], argv[0]); + SD_create_environment(argv[1]); /* test the estimation functions */ - workstations = SD_workstation_get_list(); - w1 = workstations[0]; - w2 = workstations[1]; - name1 = SD_workstation_get_name(w1); - name2 = SD_workstation_get_name(w2); - computation_amount1 = 2000000; - computation_amount2 = 1000000; - communication_amount12 = 2000000; - communication_amount21 = 3000000; - XBT_INFO("Computation time for %f flops on %s: %f", computation_amount1, - name1, SD_workstation_get_computation_time(w1, - computation_amount1)); - XBT_INFO("Computation time for %f flops on %s: %f", computation_amount2, - name2, SD_workstation_get_computation_time(w2, - computation_amount2)); + const sg_host_t *hosts = sg_host_list(); + sg_host_t h1 = hosts[0]; + sg_host_t h2 = hosts[1]; + const char *name1 = sg_host_get_name(h1); + const char *name2 = sg_host_get_name(h2); + double comp_amount1 = 2000000; + double comp_amount2 = 1000000; + double comm_amount12 = 2000000; + double comm_amount21 = 3000000; + XBT_INFO("Computation time for %f flops on %s: %f", comp_amount1, name1, comp_amount1/sg_host_speed(h1)); + XBT_INFO("Computation time for %f flops on %s: %f", comp_amount2, name2, comp_amount2/sg_host_speed(h2)); XBT_INFO("Route between %s and %s:", name1, name2); - route = SD_route_get_list(w1, w2); - route_size = SD_route_get_size(w1, w2); - for (i = 0; i < route_size; i++) { - XBT_INFO(" Link %s: latency = %f, bandwidth = %f", - sg_link_name(route[i]), - sg_link_latency(route[i]), - sg_link_bandwidth(route[i])); + const SD_link_t *route = SD_route_get_list(h1, h2); + int route_size = SD_route_get_size(h1, h2); + for (int i = 0; i < route_size; i++) { + XBT_INFO(" Link %s: latency = %f, bandwidth = %f", sg_link_name(route[i]), sg_link_latency(route[i]), + sg_link_bandwidth(route[i])); } - XBT_INFO("Route latency = %f, route bandwidth = %f", - SD_route_get_latency(w1, w2), - SD_route_get_bandwidth(w1, w2)); - XBT_INFO("Communication time for %f bytes between %s and %s: %f", - communication_amount12, name1, name2, - SD_route_get_communication_time(w1, w2, communication_amount12)); - XBT_INFO("Communication time for %f bytes between %s and %s: %f", - communication_amount21, name2, name1, - SD_route_get_communication_time(w2, w1, communication_amount21)); + XBT_INFO("Route latency = %f, route bandwidth = %f", SD_route_get_latency(h1, h2), SD_route_get_bandwidth(h1, h2)); + XBT_INFO("Communication time for %f bytes between %s and %s: %f", comm_amount12, name1, name2, + SD_route_get_latency(h1, h2) + comm_amount12 / SD_route_get_bandwidth(h1, h2)); + XBT_INFO("Communication time for %f bytes between %s and %s: %f", comm_amount21, name2, name1, + SD_route_get_latency(h2, h1) + comm_amount21 / SD_route_get_bandwidth(h2, h1)); /* creation of the tasks and their dependencies */ - taskA = SD_task_create("Task A", NULL, 10.0); - taskB = SD_task_create("Task B", NULL, 40.0); - taskC = SD_task_create("Task C", NULL, 30.0); - taskD = SD_task_create("Task D", NULL, 60.0); + SD_task_t taskA = SD_task_create("Task A", NULL, 10.0); + SD_task_t taskB = SD_task_create("Task B", NULL, 40.0); + SD_task_t taskC = SD_task_create("Task C", NULL, 30.0); + SD_task_t taskD = SD_task_create("Task D", NULL, 60.0); /* try to attach and retrieve user data to a task */ - SD_task_set_data(taskA, (void*) &computation_amount1); - if (computation_amount1 != (*((double*) SD_task_get_data(taskA)))) + SD_task_set_data(taskA, (void*) &comp_amount1); + if (comp_amount1 != (*((double*) SD_task_get_data(taskA)))) XBT_ERROR("User data was corrupted by a simple set/get"); SD_task_dependency_add(NULL, NULL, taskB, taskA); @@ -102,8 +71,6 @@ int main(int argc, char **argv) SD_task_dependency_add(NULL, NULL, taskD, taskC); SD_task_dependency_add(NULL, NULL, taskB, taskC); - - TRY { SD_task_dependency_add(NULL, NULL, taskA, taskA); /* shouldn't work and must raise an exception */ xbt_die("Hey, I can add a dependency between Task A and Task A!"); @@ -144,7 +111,6 @@ int main(int argc, char **argv) xbt_ex_free(ex); } - /* if everything is ok, no exception is forwarded or rethrown by main() */ /* watch points */ @@ -152,56 +118,43 @@ int main(int argc, char **argv) SD_task_watch(taskB, SD_DONE); SD_task_unwatch(taskD, SD_DONE); - /* scheduling parameters */ - workstation_list[0] = w1; - workstation_list[1] = w2; - computation_amount[0] = computation_amount1; - computation_amount[1] = computation_amount2; + host_list[0] = h1; + host_list[1] = h2; + computation_amount[0] = comp_amount1; + computation_amount[1] = comp_amount2; - communication_amount[1] = communication_amount12; - communication_amount[2] = communication_amount21; + communication_amount[1] = comm_amount12; + communication_amount[2] = comm_amount21; /* estimated time */ - task = taskD; - XBT_INFO("Estimated time for '%s': %f", SD_task_get_name(task), - SD_task_get_execution_time(task, workstation_number, - workstation_list, computation_amount, - communication_amount)); - - /* let's launch the simulation! */ - - SD_task_schedule(taskA, workstation_number, workstation_list, - computation_amount, communication_amount, rate); - SD_task_schedule(taskB, workstation_number, workstation_list, - computation_amount, communication_amount, rate); - SD_task_schedule(taskC, workstation_number, workstation_list, - computation_amount, communication_amount, rate); - SD_task_schedule(taskD, workstation_number, workstation_list, - computation_amount, communication_amount, rate); + SD_task_t task = taskD; + XBT_INFO("Estimated time for '%s': %f", SD_task_get_name(task), SD_task_get_execution_time(task, host_count, + host_list, computation_amount, communication_amount)); + + SD_task_schedule(taskA, host_count, host_list, computation_amount, communication_amount, rate); + SD_task_schedule(taskB, host_count, host_list, computation_amount, communication_amount, rate); + SD_task_schedule(taskC, host_count, host_list, computation_amount, communication_amount, rate); + SD_task_schedule(taskD, host_count, host_list, computation_amount, communication_amount, rate); changed_tasks = SD_simulate(-1.0); xbt_dynar_foreach(changed_tasks, ctr, task) { - XBT_INFO("Task '%s' start time: %f, finish time: %f", - SD_task_get_name(task), + XBT_INFO("Task '%s' start time: %f, finish time: %f", SD_task_get_name(task), SD_task_get_start_time(task), SD_task_get_finish_time(task)); } xbt_dynar_get_cpy(changed_tasks, 0, &checkD); xbt_dynar_get_cpy(changed_tasks, 1, &checkB); - xbt_assert(checkD == taskD && - checkB == taskB, "Unexpected simulation results"); + xbt_assert(checkD == taskD && checkB == taskB, "Unexpected simulation results"); XBT_DEBUG("Destroying tasks..."); - SD_task_destroy(taskA); SD_task_destroy(taskB); SD_task_destroy(taskC); SD_task_destroy(taskD); XBT_DEBUG("Tasks destroyed. Exiting SimDag..."); - SD_exit(); return 0; }