1 (* Copyright (C) 2000, HELM Team.
3 * This file is part of HELM, an Hypertextual, Electronic
4 * Library of Mathematics, developed at the Computer Science
5 * Department, University of Bologna, Italy.
7 * HELM is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
12 * HELM is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with HELM; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22 * For details, see the HELM World-Wide-Web page,
23 * http://cs.unibo.it/helm/.
29 let profiling_enabled = true
31 type profiler = { profile : 'a 'b. ('a -> 'b) -> 'a -> 'b }
33 if profiling_enabled then
35 let total = ref 0.0 in
37 let before = Unix.gettimeofday () in
40 let after = Unix.gettimeofday () in
41 total := !total +. (after -. before);
45 let after = Unix.gettimeofday () in
46 total := !total +. (after -. before);
52 ("!! TOTAL TIME SPENT IN " ^ s ^ ": " ^ string_of_float !total));
55 function _ -> { profile = fun f x -> f x }