A Rack-compliant ruby web server. It's written in C cuz its fast.
ricer is almost as fast as this car
The following Rack app was used benchmark WEBrick, Unicorn, Thin and Ricer:
run ->env { [200, { "Content-Type" => "text/html" }, ["hello world"]] }
Tests were carried out on a 32 bit Linux VM running in VirtualBox on an Intel Core 2 Quad Q6600.
ApacheBench was used to run the benchmarks with the following options:
ab -n 1000 -c <...> http://127.0.0.1:3000/
Here are the results: