I wrote a terse HTTP webserver using tokio.  It’s hard for it be simpler (it cheats and doesn’t pay attention to request headers; and it doesn’t send a Date header back 😛 ).  And yet, actix-web is outperforming it by a decent margin in benchmarks.  Here’s the whole code:    The actix benchmark code from TechEmpower’s benchmark gets 50k req/s in my tests; my code gets 43k req/s.  This is on cloud instances, 4096 keep alive connections, wrk, 2 vCPUs per machine.  Can anyone think ...