For illustration these are the results on an Ubuntu Xenial 16.04 host with an Intel Core i7-4790 CPU and Eigen 3.3.3 as in Ubuntu's package manager: I could not reproduce these results on Windows, but ...
OS: Ubuntu SMP x86_64 GNU/Linux CPU: Intel(R) Core(TM) i7-4790 CPU @ 3.60GHz(8 cores) Mem: 16G Disk: 256G SSD redis-benchmark against qdb-server (default config, see conf/config.toml) $ ...