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[])
24 m_host_t *slaves = NULL;
25 double task_comp_size = 100000;
26 double task_comm_size = 10000;
27 double *computation_amount = NULL;
28 double *communication_amount = NULL;
29 m_task_t ptask = NULL;
32 slaves_count = MSG_get_host_number();
33 slaves = MSG_get_host_table();
35 computation_amount = xbt_new0(double, slaves_count);
36 communication_amount = xbt_new0(double, slaves_count * slaves_count);
38 for (i = 0; i < slaves_count; i++)
39 computation_amount[i] = task_comp_size;
41 for (i = 0; i < slaves_count; i++)
42 for (j = i + 1; j < slaves_count; j++)
43 communication_amount[i * slaves_count + j] = task_comm_size;
45 ptask = MSG_parallel_task_create("parallel task",
48 communication_amount, NULL);
49 MSG_parallel_task_execute(ptask);
51 MSG_task_destroy(ptask);
52 /* There is no need to free that! */
53 /* free(communication_amount); */
54 /* free(computation_amount); */
56 XBT_INFO("Goodbye now!");
62 MSG_error_t test_all(const char *platform_file)
64 MSG_error_t res = MSG_OK;
67 MSG_config("workstation/model", "ptask_L07");
68 MSG_set_channel_number(1);
69 MSG_create_environment(platform_file);
71 hosts = MSG_get_host_table();
72 MSG_process_create("test", test, NULL, hosts[0]);
76 XBT_INFO("Simulation time %g", MSG_get_clock());
80 int main(int argc, char *argv[])
82 MSG_error_t res = MSG_OK;
84 MSG_global_init(&argc, argv);
86 printf("Usage: %s platform_file\n", argv[0]);
87 printf("example: %s msg_platform.xml\n", argv[0]);
90 res = test_all(argv[1]);