Running an example main with the route '/' mapped to return "Hello World"
ab -n 10000 http://127.0.0.1:8080/
I get 1400 requests/s in debug mode and 1900 requests/s in release mode.With wrk, I actually get between 3000-4000 requests/s with default parameters. Most of the time. Sometimes it just hangs. Trying to increase the number of requests with the -r parameter made the hangs consistent, I was not able to get wrk to finish in more than a dozen attempts, so there appears to be a problem with it dying under load.
For comparison, the built-in Apache gets 15000-20000 requests/s, my own web-framework based on libmicrohttpd + an Objective-C/Objective-Smalltalk wrapper gets around 25000-32000. None of these would be classified as "insanely" fast, and they are around an order of magnitude faster than this. It's actually a lot closer to Ruby/Sinatra (~600 requests/s).
EDIT: project readme says "insanely", not "blazingly", so updated.