+#include "xbt/log.h"
+
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(basic1, sd, "SimDag test basic1");
+
+/* Basic SimDag Test 1
+ * Scenario:
+ * - Create a no-op Init task
+ * - Create two communication tasks: 1GB and 1GB
+ * - Schedule them concurrently on the two hosts of the platform
+ * The two communications occur simultaneously. They share the network for the
+ * whole duration of the simulation.
+ * Simulated time should be:
+ * 1e9/(1/2*1.25e8) + 1e-4 = 16.0001 seconds
+ */
+int main(int argc, char **argv)
+{
+
+ SD_task_t taskInit;
+ SD_task_t taskA;
+ SD_task_t taskB;
+ xbt_dynar_t ret;
+
+ double communication_amount1 = 1e9;
+ double communication_amount2 = 1e9;
+ double no_cost = 0.0;
+
+ const SD_workstation_t *workstation;
+
+ /* initialization of SD */
+ SD_init(&argc, argv);
+
+ /* creation of the environment */
+ SD_create_environment(argv[1]);
+
+ /* creation of the tasks and their dependencies */
+ taskInit = SD_task_create("Init", NULL, 1.0);
+ taskA = SD_task_create("Task Comm A", NULL, 1.0);
+ taskB = SD_task_create("Task Comm B", NULL, 1.0);