/* 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 "simgrid/msg.h"
#include "simgrid/plugins/energy.h"
+#include "simgrid/msg.h"
XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test, "Messages specific for this msg example");
* interfaces, but it's not possible ATM).
*/
-static int runner(int argc, char *argv[])
+static int runner(int argc, char* argv[])
{
/* Retrieve the list of all hosts as an array of hosts */
- int hosts_count = MSG_get_host_number();
- msg_host_t *hosts = xbt_dynar_to_array(MSG_hosts_as_dynar());
+ int hosts_count = MSG_get_host_number();
+ msg_host_t* hosts = xbt_dynar_to_array(MSG_hosts_as_dynar());
XBT_INFO("First, build a classical parallel task, with 1 Gflop to execute on each node, "
"and 10MB to exchange between each pair");
- double *computation_amounts = xbt_new0(double, hosts_count);
- double *communication_amounts = xbt_new0(double, hosts_count * hosts_count);
+ double* computation_amounts = xbt_new0(double, hosts_count);
+ double* communication_amounts = xbt_new0(double, hosts_count* hosts_count);
- for (int i = 0; i < hosts_count; i++)
+ for (int i = 0; i < hosts_count; i++)
computation_amounts[i] = 1e9; // 1 Gflop
for (int i = 0; i < hosts_count; i++)
- for (int j = i + 1; j < hosts_count; j++)
+ for (int j = i + 1; j < hosts_count; j++)
communication_amounts[i * hosts_count + j] = 1e7; // 10 MB
msg_task_t ptask =
- MSG_parallel_task_create("parallel task", hosts_count, hosts, computation_amounts, communication_amounts, NULL);
+ MSG_parallel_task_create("parallel task", hosts_count, hosts, computation_amounts, communication_amounts, NULL);
MSG_parallel_task_execute(ptask);
MSG_task_destroy(ptask);
xbt_free(communication_amounts);
XBT_INFO("Then, build a parallel task involving only computations and no communication (1 Gflop per node)");
computation_amounts = xbt_new0(double, hosts_count);
- for (int i = 0; i < hosts_count; i++)
+ for (int i = 0; i < hosts_count; i++)
computation_amounts[i] = 1e9; // 1 Gflop
- ptask = MSG_parallel_task_create("parallel exec", hosts_count, hosts, computation_amounts, NULL/* no comm */, NULL);
+ ptask = MSG_parallel_task_create("parallel exec", hosts_count, hosts, computation_amounts, NULL /* no comm */, NULL);
MSG_parallel_task_execute(ptask);
MSG_task_destroy(ptask);
xbt_free(computation_amounts);
XBT_INFO("Then, build a parallel task with no computation nor communication (synchro only)");
- computation_amounts = xbt_new0(double, hosts_count);
- communication_amounts = xbt_new0(double, hosts_count * hosts_count); /* memset to 0 by xbt_new0 */
- ptask = MSG_parallel_task_create("parallel sync", hosts_count, hosts, computation_amounts, communication_amounts, NULL);
+ computation_amounts = xbt_new0(double, hosts_count);
+ communication_amounts = xbt_new0(double, hosts_count* hosts_count); /* memset to 0 by xbt_new0 */
+ ptask =
+ MSG_parallel_task_create("parallel sync", hosts_count, hosts, computation_amounts, communication_amounts, NULL);
MSG_parallel_task_execute(ptask);
MSG_task_destroy(ptask);
xbt_free(communication_amounts);
xbt_free(computation_amounts);
XBT_INFO("Finally, trick the ptask to do a 'remote execution', on host %s", MSG_host_get_name(hosts[1]));
- computation_amounts = xbt_new0(double, 1);
+ computation_amounts = xbt_new0(double, 1);
computation_amounts[0] = 1e9; // 1 Gflop
- msg_host_t *remote = xbt_new(msg_host_t,1);
- remote[0] = hosts[1];
- ptask = MSG_parallel_task_create("remote exec", 1, remote, computation_amounts, NULL/* no comm */, NULL);
+ msg_host_t* remote = xbt_new(msg_host_t, 1);
+ remote[0] = hosts[1];
+ ptask = MSG_parallel_task_create("remote exec", 1, remote, computation_amounts, NULL /* no comm */, NULL);
MSG_parallel_task_execute(ptask);
MSG_task_destroy(ptask);
xbt_free(remote);
return 0;
}
-int main(int argc, char *argv[])
+int main(int argc, char* argv[])
{
MSG_init(&argc, argv);
MSG_config("host/model", "ptask_L07");
xbt_assert(argc <= 3, "1Usage: %s <platform file> [--energy]", argv[0]);
xbt_assert(argc >= 2, "2Usage: %s <platform file> [--energy]", argv[0]);
- if(argc == 3 && argv[2][2] == 'e')
+ if (argc == 3 && argv[2][2] == 'e')
sg_host_energy_plugin_init();
MSG_create_environment(argv[1]);
/* Pick a process, no matter which, from the platform file */
xbt_dynar_t all_hosts = MSG_hosts_as_dynar();
- msg_host_t first_host = xbt_dynar_getfirst_as(all_hosts,msg_host_t);
+ msg_host_t first_host = xbt_dynar_getfirst_as(all_hosts, msg_host_t);
xbt_dynar_free(&all_hosts);
MSG_process_create("test", runner, NULL, first_host);
