/* 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 <stdio.h>
-#include "simgrid/msg.h" /* Yeah! If you want to use msg, you need to include simgrid/msg.h */
-#include "xbt/sysdep.h" /* calloc, printf */
+#include "simgrid/msg.h"
+#include "simgrid/plugins/energy.h"
-/* Create a log channel to have nice outputs. */
-#include "xbt/log.h"
-#include "xbt/asserts.h"
-XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test,
- "Messages specific for this msg example");
+XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test, "Messages specific for this msg example");
/** @addtogroup MSG_examples
*
- * - <b>parallel_task/parallel_task.c</b>: Demonstrates the use of
- * @ref MSG_parallel_task_create, to create special tasks that run
- * on several hosts at the same time. The resulting simulations are
- * very close to what can be achieved in @ref SD_API, but still
- * allows to use the other features of MSG (it'd be cool to be able
- * to mix interfaces, but it's not possible ATM).
+ * - <b>parallel_task/parallel_task.c</b>: Demonstrates the use of @ref MSG_parallel_task_create, to create special
+ * tasks that run on several hosts at the same time. The resulting simulations are very close to what can be
+ * achieved in @ref SD_API, but still allows to use the other features of MSG (it'd be cool to be able to mix
+ * interfaces, but it's not possible ATM).
*/
-
-/** Function in charge of running the example (that's a simgrid process) */
static int runner(int argc, char *argv[])
{
- int i, j;
-
/* 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);
- XBT_INFO("First, build a classical parallel task, with 1 Gflop to execute on each node, and 10MB to exchange between each pair");
+ 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);
- for (i = 0; i < slaves_count; i++)
+ for (int i = 0; i < slaves_count; i++)
computation_amounts[i] = 1e9; // 1 Gflop
- for (i = 0; i < slaves_count; i++)
- for (j = i + 1; j < slaves_count; j++)
+ 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
- msg_task_t ptask = MSG_parallel_task_create("parallel task",
- slaves_count, slaves, computation_amounts, communication_amounts, NULL /* no specific data to attach */);
+ msg_task_t ptask =
+ MSG_parallel_task_create("parallel task", slaves_count, slaves, 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 (i = 0; i < slaves_count; i++)
+ for (int i = 0; i < slaves_count; i++)
computation_amounts[i] = 1e9; // 1 Gflop
- ptask = MSG_parallel_task_create("parallel exec", slaves_count, slaves, computation_amounts, NULL/* no comm */, NULL /* no data */);
+ ptask =
+ MSG_parallel_task_create("parallel exec", slaves_count, slaves, computation_amounts, NULL/* no comm */, NULL);
MSG_parallel_task_execute(ptask);
MSG_task_destroy(ptask);
computation_amounts[0] = 1e9; // 1 Gflop
msg_host_t *remote = xbt_new(msg_host_t,1);
remote[0] = slaves[1];
- ptask = MSG_parallel_task_create("remote exec", 1, remote, computation_amounts, NULL/* no comm */, NULL /* no data */);
+ 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);
MSG_init(&argc, argv);
MSG_config("host/model", "ptask_L07");
- xbt_assert(argc > 1, "Usage: %s <platform file>", argv[0]);
+ 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')
+ sg_energy_plugin_init();
+
MSG_create_environment(argv[1]);
/* Pick a process, no matter which, from the platform file */
