heptagon/compiler/utilities/global/compiler_timings.ml
Nicolas Berthier 216550c0d1 Fixed warnings & documentation comments.
- gitignore: ignore files generated by `configure' script.
2013-11-08 18:51:06 +01:00

109 lines
4.2 KiB
OCaml

(***********************************************************************)
(* *)
(* Heptagon *)
(* *)
(* Gwenael Delaval, LIG/INRIA, UJF *)
(* Leonard Gerard, Parkas, ENS *)
(* Adrien Guatto, Parkas, ENS *)
(* Cedric Pasteur, Parkas, ENS *)
(* Marc Pouzet, Parkas, ENS *)
(* *)
(* Copyright 2012 ENS, INRIA, UJF *)
(* *)
(* This file is part of the Heptagon compiler. *)
(* *)
(* Heptagon is free software: you can redistribute it and/or modify it *)
(* under the terms of the GNU General Public License as published by *)
(* the Free Software Foundation, either version 3 of the License, or *)
(* (at your option) any later version. *)
(* *)
(* Heptagon is distributed in the hope that it will be useful, *)
(* but WITHOUT ANY WARRANTY; without even the implied warranty of *)
(* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *)
(* GNU General Public License for more details. *)
(* *)
(* You should have received a copy of the GNU General Public License *)
(* along with Heptagon. If not, see <http://www.gnu.org/licenses/> *)
(* *)
(***********************************************************************)
let current_module = ref ""
let timings = ref []
let compilation_start = ref 0.
let compilation_stop = ref 0.
let start_compiling modname =
current_module := modname;
compilation_start := Unix.gettimeofday ()
let elapsed_seconds_between start stop = stop -. start
let time_pass name f x =
let start = Unix.gettimeofday () in
let r = f x in
let stop = Unix.gettimeofday () in
timings := (name, elapsed_seconds_between start stop) :: !timings;
r
let report_statistics () =
if not !Compiler_options.time_passes then ()
else
(
compilation_stop := Unix.gettimeofday ();
let total_time =
elapsed_seconds_between !compilation_start !compilation_stop in
let compute_percent time = int_of_float (time /. total_time *. 100.) in
let max_size =
let sizes = List.map (fun (name, _) -> String.length name) !timings in
List.fold_left max 0 sizes
in
let big_space = String.make 4 ' ' in
let format time =
let secs = int_of_float time in
let mins = int_of_float (time /. 60.) in
let post_secs = if secs > 1 then "s" else " " in
let post_mins = if mins > 1 then "s" else " " in
Printf.sprintf "%.2d min%s %.2d sec%s%s" mins post_mins secs post_secs big_space
in
let display (name, time) =
print_string name;
for _i = 1 to max_size - String.length name do
print_string " "
done;
Printf.printf " %s(%.2d%%)\n" (format time) (compute_percent time)
in
let print_sep () =
for _i = 1 to max_size + 22 + String.length big_space do
print_string "#"
done;
Printf.printf "\n"
in
print_sep ();
Printf.printf "Compilation statistics for %s\n" !current_module;
print_sep ();
List.iter display (List.rev !timings);
print_sep ();
Printf.printf "TOTAL";
for _i = 1 to max_size - 5 do
print_string " "
done;
let percent = List.fold_left (+) 0 (List.map compute_percent (List.map snd !timings)) in
Printf.printf " %s(%.2d%%)\n" (format total_time) percent;
current_module := ""
)