Source file record_time.ml

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(*  This file is part of the Codex semantics library.                     *)
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(*  Copyright (C) 2013-2025                                               *)
(*    CEA (Commissariat à l'énergie atomique et aux énergies              *)
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(*  Lesser General Public License as published by the Free Software       *)
(*  Foundation, version 2.1.                                              *)
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(*  GNU Lesser General Public License for more details.                   *)
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(*  See the GNU Lesser General Public License version 2.1                 *)
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(** A very simple benchmarking API. *)


(** By default OCaml uses floats to record dates, which makes me worry
    about precision. This simple C API does not have this defect.
    bench_return_time returns the number of microseconds since the last
    call to  bench_record_time. *)
external record_time: unit -> unit = "libase_record_time";;
external return_time: unit -> int = "caml_libase_return_time";;