hello.cpp

#include <w>

int main(int argc, char const *argv[])
{
  w::App app { argc, argv };

  app.get("/hello", [](w::Request&) { return w::render_text("Hello world"); });

  return app.run();
}

wrk.txt

$ wrk -t10 -c400 http://localhost:3000/hello
Running 10s test @ http://localhost:3000/hello
  10 threads and 400 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     2.46ms    1.96ms   6.79ms   83.86%
    Req/Sec     6.53k     3.16k   24.11k    81.44%
  616275 requests in 10.00s, 44.67MB read
  Socket errors: connect 0, read 990, write 0, timeout 459
Requests/sec:  61629.31
Transfer/sec:      4.47MB