OCaml By Examples

Language Basics

Project Management

Advanced Ocaml

Libraries

benchmarks

dune
Benchmarks are executables. They can live anywhere in your code, but are often found under a `bench/` directory. 
(executable
 (name bench)
 (libraries core core_bench hexstring))

bench.ml
... 
open Core
open Core_bench

let () =
  let _ = Random.init (* seed: *) 0 in
  let buffer_length = 100 in 
  let rand_char _ = Random.int 256 |> char_of_int in
  let bytes_buffer = Bytes.init buffer_length ~f:rand_char in
  let hexstring = Hexstring.encode bytes_buffer in
  Command.run (Bench.make_command [
    Bench.Test.create ~name:"encoding" 
      (fun () -> ignore (Hexstring.encode bytes_buffer));
    Bench.Test.create ~name:"decoding" 
      (fun () -> ignore (Hexstring.decode hexstring));
  ])

console
... 
$ opam install core_bench
next: deriving