1 /* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
8 #include "msg/msg.h" /* Yeah! If you want to use msg, you need to include msg/msg.h */
9 #include "xbt/sysdep.h" /* calloc, printf */
11 /* Create a log channel to have nice outputs. */
13 #include "xbt/asserts.h"
14 XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test,
15 "Messages specific for this msg example");
17 int test(int argc, char *argv[]);
18 MSG_error_t test_all(const char *platform_file);
20 /** Emitter function */
21 int test(int argc, char *argv[])
23 xbt_dynar_t slaves_dynar;
25 m_host_t *slaves = NULL;
26 double task_comp_size = 100000;
27 double task_comm_size = 10000;
28 double *computation_amount = NULL;
29 double *communication_amount = NULL;
30 m_task_t ptask = NULL;
33 slaves_dynar = MSG_hosts_as_dynar();
34 slaves_count = xbt_dynar_length(slaves_dynar);
35 slaves = xbt_dynar_to_array(slaves_dynar);
37 computation_amount = xbt_new0(double, slaves_count);
38 communication_amount = xbt_new0(double, slaves_count * slaves_count);
40 for (i = 0; i < slaves_count; i++)
41 computation_amount[i] = task_comp_size;
43 for (i = 0; i < slaves_count; i++)
44 for (j = i + 1; j < slaves_count; j++)
45 communication_amount[i * slaves_count + j] = task_comm_size;
47 ptask = MSG_parallel_task_create("parallel task",
50 communication_amount, NULL);
51 MSG_parallel_task_execute(ptask);
53 MSG_task_destroy(ptask);
54 /* There is no need to free that! */
55 /* free(communication_amount); */
56 /* free(computation_amount); */
58 XBT_INFO("Goodbye now!");
64 MSG_error_t test_all(const char *platform_file)
66 MSG_error_t res = MSG_OK;
67 xbt_dynar_t all_hosts;
70 MSG_config("workstation/model", "ptask_L07");
71 MSG_create_environment(platform_file);
73 all_hosts = MSG_hosts_as_dynar();
74 first_host = xbt_dynar_getfirst_as(all_hosts,m_host_t);
75 MSG_process_create("test", test, NULL, first_host);
77 xbt_dynar_free(&all_hosts);
79 XBT_INFO("Simulation time %g", MSG_get_clock());
83 int main(int argc, char *argv[])
85 MSG_error_t res = MSG_OK;
87 MSG_global_init(&argc, argv);
89 printf("Usage: %s platform_file\n", argv[0]);
90 printf("example: %s msg_platform.xml\n", argv[0]);
93 res = test_all(argv[1]);