smx_action_t SIMIX_host_execute(const char *name,
smx_host_t host, double computation_amount, double priority, double bound);
smx_action_t SIMIX_host_parallel_execute(const char *name,
smx_action_t SIMIX_host_execute(const char *name,
smx_host_t host, double computation_amount, double priority, double bound);
smx_action_t SIMIX_host_parallel_execute(const char *name,