static int runner(int argc, char *argv[])
{
/* Retrieve the list of all hosts as an array of hosts */
- xbt_dynar_t slaves_dynar = MSG_hosts_as_dynar();
- int slaves_count = xbt_dynar_length(slaves_dynar);
- msg_host_t *slaves = xbt_dynar_to_array(slaves_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, slaves_count);
- double *communication_amounts = xbt_new0(double, slaves_count * slaves_count);
+ double *computation_amounts = xbt_new0(double, hosts_count);
+ double *communication_amounts = xbt_new0(double, hosts_count * hosts_count);
- for (int i = 0; i < slaves_count; i++)
+ for (int i = 0; i < hosts_count; i++)
computation_amounts[i] = 1e9; // 1 Gflop
- for (int i = 0; i < slaves_count; i++)
- for (int j = i + 1; j < slaves_count; j++)
- communication_amounts[i * slaves_count + j] = 1e7; // 10 MB
+ for (int i = 0; i < hosts_count; i++)
+ 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", slaves_count, slaves, 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);
/* The arrays communication_amounts and computation_amounts are not to be freed manually */
XBT_INFO("Then, build a parallel task involving only computations and no communication (1 Gflop per node)");
- computation_amounts = xbt_new0(double, slaves_count);
- for (int i = 0; i < slaves_count; i++)
+ computation_amounts = xbt_new0(double, hosts_count);
+ for (int i = 0; i < hosts_count; i++)
computation_amounts[i] = 1e9; // 1 Gflop
- ptask =
- MSG_parallel_task_create("parallel exec", slaves_count, slaves, 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_INFO("Finally, trick the ptask to do a 'remote execution', on host %s", MSG_host_get_name(slaves[1]));
+ 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[0] = 1e9; // 1 Gflop
msg_host_t *remote = xbt_new(msg_host_t,1);
- remote[0] = slaves[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);
free(remote);
XBT_INFO("Goodbye now!");
- free(slaves);
+ free(hosts);
return 0;
}