- world->servers().set_servers_to_run(libtest::number_of_cpus() > 3 ?
- libtest::number_of_cpus() : 3);
+ // Assume a minimum of 3, and a maximum of 8
+ world->servers().set_servers_to_run((libtest::number_of_cpus() > 3) ?
+ std::min(libtest::number_of_cpus(), size_t(8)) : 3);