action = SIMIX_action_execute(host, computation, duration * SMPI_DEFAULT_SPEED);
mutex = SIMIX_mutex_init();
cond = SIMIX_cond_init();
action = SIMIX_action_execute(host, computation, duration * SMPI_DEFAULT_SPEED);
mutex = SIMIX_mutex_init();
cond = SIMIX_cond_init();