(*****************************************************************************)
(*                                                                           *)
(* Open Source License                                                       *)
(* Copyright (c) 2020 Nomadic Labs. <contact@nomadic-labs.com>               *)
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(* copy of this software and associated documentation files (the "Software"),*)
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let lwt_variable = Free_variable.of_string "lwt_main_run"

let lwt_model =
  Model.make
    ~conv:(fun () -> ())
    ~model:
      (Model.unknown_const2
         ~const1:Builtin_benchmarks.timer_variable
         ~const2:lwt_variable)

module Lwt_main_run_bench : Benchmark.S = struct
  type config = unit

  let default_config = ()

  let config_encoding = Data_encoding.unit

  let name = "LWT_MAIN.RUN"

  let info = "Benchmark of Lwt_main.run"

  let tags = ["misc"]

  let models = [("*", lwt_model)]

  let workload_to_vector () = Sparse_vec.String.of_list [("lwt_main", 1.)]

  type workload = unit

  let workload_encoding = Data_encoding.unit

  let bench () =
    let closure () = Lwt_main.run Lwt.return_unit in
    let workload = () in
    Generator.Plain {workload; closure}

  let create_benchmarks ~rng_state ~bench_num () =
    ignore rng_state ;
    List.repeat bench_num bench
end

let () = Registration.register (module Lwt_main_run_bench)