Source file measure.ml

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(* Open Source License                                                       *)
(* Copyright (c) 2022 Marigold <contact@marigold.dev>                        *)
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type time = float

let get_time = Sys.time

let time f =
  let open Lwt_syntax in
  let before = get_time () in
  let* res = f () in
  let time = get_time () -. before in
  return (time, res)

let time_and_tick get_tick f arg =
  let open Lwt_syntax in
  let* before_tick = get_tick arg in
  let* time, res = time (fun () -> f arg) in
  let* after_tick = get_tick res in
  return (time, Z.(after_tick - before_tick), res)

let zero = 0.0

let to_seconds t = t