3 /* Copyright (c) 2002,2003,2004 Arnaud Legrand. All rights reserved. */
5 /* This program is free software; you can redistribute it and/or modify it
6 * under the terms of the license (GNU LGPL) which comes with this package. */
9 #include "msg/msg.h" /* Yeah! If you want to use msg, you need to include msg/msg.h */
10 #include "xbt/sysdep.h" /* calloc, printf */
12 /* Create a log channel to have nice outputs. */
14 #include "xbt/asserts.h"
15 XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test,
16 "Messages specific for this msg example");
18 int test(int argc, char *argv[]);
19 MSG_error_t test_all(const char *platform_file);
21 /** Emitter function */
22 int test(int argc, char *argv[])
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_count = MSG_get_host_number();
34 slaves = MSG_get_host_table();
36 computation_amount = xbt_new0(double, slaves_count);
37 communication_amount = xbt_new0(double, slaves_count * slaves_count);
39 for (i = 0; i < slaves_count; i++)
40 computation_amount[i] = task_comp_size;
42 for (i = 0; i < slaves_count; i++)
43 for (j = i + 1; j < slaves_count; j++)
44 communication_amount[i * slaves_count + j] = task_comm_size;
46 ptask = MSG_parallel_task_create("parallel task",
49 communication_amount, NULL);
50 MSG_parallel_task_execute(ptask);
52 /* There is no need to free that! */
53 /* free(communication_amount); */
54 /* free(computation_amount); */
56 INFO0("Goodbye now!");
62 MSG_error_t test_all(const char *platform_file)
64 MSG_error_t res = MSG_OK;
66 MSG_config("workstation_model", "ptask_L07");
67 MSG_set_channel_number(1);
68 MSG_create_environment(platform_file);
70 MSG_process_create("test", test, NULL, MSG_get_host_table()[0]);
73 INFO1("Simulation time %g", MSG_get_clock());
77 int main(int argc, char *argv[])
79 MSG_error_t res = MSG_OK;
81 MSG_global_init(&argc, argv);
83 printf("Usage: %s platform_file\n", argv[0]);
84 printf("example: %s msg_platform.xml\n", argv[0]);
87 res = test_all(argv[1]);