-/* Copyright (c) 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
+/* Copyright (c) 2006-2010, 2012-2015. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
#include <stdio.h>
#include <stdlib.h>
-#include "simdag/simdag.h"
+#include "simgrid/simdag.h"
#include "xbt/ex.h"
#include "xbt/log.h"
int i;
unsigned int ctr;
const char *platform_file;
- const SD_workstation_t *workstations;
- SD_task_t task, taskA, taskB, taskC, taskD, taskE;
+ const sg_host_t *workstations;
+ SD_task_t task, seq_comp1, e2e_comm, seq_comp2;
+ SD_task_t par_comp1, redist, par_comp2, par_comp3;
xbt_dynar_t changed_tasks;
double computation_amount[4];
double communication_amount[16] = { 0 };
- SD_workstation_t workstation_list[4];
+ sg_host_t workstation_list[4];
/* initialization of SD */
SD_init(&argc, argv);
/* xbt_log_control_set("sd.thres=debug"); */
- if (argc < 2) {
- XBT_INFO("Usage: %s platform_file", argv[0]);
- XBT_INFO("example: %s sd_platform.xml", argv[0]);
- exit(1);
- }
+ 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);
- workstations = SD_workstation_get_list();
-
- for (i=0;i<4;i++)
- XBT_INFO("%s runs at %f flops", SD_workstation_get_name(workstations[i]),
- SD_workstation_get_power(workstations[i]));
+ workstations = sg_host_list();
/* creation of some typed tasks and their dependencies */
- taskA = SD_task_create_comp_seq("Task A", NULL, 1e9);
- taskB = SD_task_create_comm_e2e("Task B", NULL, 1e7);
- taskC = SD_task_create_comp_seq("Task C", NULL, 1e9);
- taskD = SD_task_create_comp_par_amdahl("Task D", NULL, 1e9, 0.2);
- taskE = SD_task_create("Task E", NULL, 1e9);
+ seq_comp1 = SD_task_create_comp_seq("Seq. comp. 1", NULL, 1e9);
+ e2e_comm = SD_task_create_comm_e2e("E2E comm.", NULL, 1e7);
+ seq_comp2 = SD_task_create_comp_seq("Seq. comp 2.", NULL, 1e9);
+ par_comp1 = SD_task_create_comp_par_amdahl("Par. Comp. 1", NULL, 1e9, 0.2);
+ redist = SD_task_create_comm_par_mxn_1d_block("MxN redist", NULL, 1.2e8);
+ par_comp2 = SD_task_create_comp_par_amdahl("Par. Comp. 2", NULL, 3e8, 0.5);
+
+ par_comp3 = SD_task_create("Par. Comp. 3", NULL, 1e9);
- double toto = (0.2 + (1 - 0.2)/4) * 1e9;
- XBT_INFO("%f %f",toto ,toto/SD_workstation_get_power(workstations[0]));
+ SD_task_dependency_add(NULL, NULL, seq_comp1, e2e_comm);
+ SD_task_dependency_add(NULL, NULL, e2e_comm, seq_comp2);
- SD_task_dependency_add(NULL, NULL, taskA, taskB);
- SD_task_dependency_add(NULL, NULL, taskB, taskC);
+ SD_task_dependency_add(NULL, NULL, par_comp1, redist);
+ SD_task_dependency_add(NULL, NULL, redist, par_comp2);
- SD_task_schedulel(taskA, 1, workstations[8]);
- SD_task_schedulel(taskC, 1, workstations[9]);
+ SD_task_schedulel(seq_comp1, 1, workstations[8]);
+ SD_task_schedulel(seq_comp2, 1, workstations[9]);
- SD_task_distribute_comp_amdhal(taskD, 4);
- SD_task_schedulev(taskD, 4, workstations);
+ SD_task_schedulev(par_comp1, 4, workstations);
+ SD_task_schedulev(par_comp2, 3, workstations);
+
+ /* Let's unschedule these tasks and test the auto-scheduling in the
+ * opposite way.
+ */
+ SD_task_unschedule(par_comp1);
+ SD_task_unschedule(par_comp2);
+ SD_task_unschedule(redist); /* yes, it was scheduled too */
+
+ SD_task_schedulev(par_comp2, 3, workstations);
+ SD_task_schedulev(par_comp1, 4, workstations);
for (i=0;i<4;i++){
workstation_list[i]=workstations[i+4];
- computation_amount[i]=toto;
+ /* Apply Amdahl's law manually assuming a 20% serial part */
+ computation_amount[i]=(0.2 + (1 - 0.2)/4) * SD_task_get_amount(par_comp3);
}
- SD_task_schedule(taskE, 4, workstation_list,
+
+ SD_task_schedule(par_comp3, 4, workstation_list,
computation_amount, communication_amount, -1);
changed_tasks = SD_simulate(-1.0);
SD_task_get_start_time(task), SD_task_get_finish_time(task));
}
- XBT_DEBUG("Destroying tasks...");
-
- SD_task_destroy(taskA);
- SD_task_destroy(taskB);
- SD_task_destroy(taskC);
- SD_task_destroy(taskD);
- SD_task_destroy(taskE);
-
- XBT_DEBUG("Tasks destroyed. Exiting SimDag...");
-
+ xbt_dynar_foreach(changed_tasks, ctr, task) {
+ SD_task_destroy(task);
+ }
SD_exit();
return 0;
}