On Sun, Sep 27, 2020 at 12:10 PM tchaloupka via Digitalmars-d-announce <digitalmars-d-announce@puremagic.com> wrote:
...
Some results are a bit surprising, ie that even with 10 runs
there are tests that are faster than C/dlang raw tests - as they
should be at the top because they really don't do anything with
HTTP handling.. And eventcore/fibers to beat raw C epoll loop
with fibers overhead? It just seems odd..
 ...

I do not see TCP_NODELAY anywhere in your code for raw tests, so maybe you should try that