Yeah this paragraph stands out as a bit strange

"I ran the benchmark on a heterogeneous set of hosts, i.e. different kernels, operating systems and configurations"

In the fine print: the "different OS:es" were two Linux Distributions which are (if I understand correctly) not even that far apart tech wise? (RHEL and Fedora).

And even more specifically "On the Costs of Linux Syscalls on Intel processors".

I would like to see this extended to other processor families.