smx_synchro_t SIMIX_host_execute(const char *name,
smx_host_t host, double flops_amount, double priority, double bound, unsigned long affinity_mask);
smx_synchro_t SIMIX_host_parallel_execute(const char *name,
smx_synchro_t SIMIX_host_execute(const char *name,
smx_host_t host, double flops_amount, double priority, double bound, unsigned long affinity_mask);
smx_synchro_t SIMIX_host_parallel_execute(const char *name,