90 lines
2.7 KiB
OCaml
90 lines
2.7 KiB
OCaml
(**************************************************************************)
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(* *)
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(* Heptagon *)
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(* *)
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(* Author : Marc Pouzet *)
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(* Organization : Demons, LRI, University of Paris-Sud, Orsay *)
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(* *)
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(**************************************************************************)
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open Unix
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let current_module = ref ""
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let timings = ref []
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let compilation_start = ref 0.
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let compilation_stop = ref 0.
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let start_compiling modname =
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current_module := modname;
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compilation_start := Unix.gettimeofday ()
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let elapsed_seconds_between start stop = stop -. start
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let time_pass name f x =
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let start = Unix.gettimeofday () in
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let r = f x in
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let stop = Unix.gettimeofday () in
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timings := (name, elapsed_seconds_between start stop) :: !timings;
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r
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let report_statistics () =
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if not !Compiler_options.time_passes then ()
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else
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(
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compilation_stop := Unix.gettimeofday ();
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let total_time =
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elapsed_seconds_between !compilation_start !compilation_stop in
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let compute_percent time = int_of_float (time /. total_time *. 100.) in
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let max_size =
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let sizes = List.map (fun (name, _) -> String.length name) !timings in
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List.fold_left max 0 sizes
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in
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let big_space = String.make 4 ' ' in
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let format time =
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let secs = int_of_float time in
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let mins = int_of_float (time /. 60.) in
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let post_secs = if secs > 1 then "s" else " " in
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let post_mins = if mins > 1 then "s" else " " in
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Printf.sprintf "%.2d min%s %.2d sec%s%s" mins post_mins secs post_secs big_space
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in
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let display (name, time) =
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print_string name;
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for i = 1 to max_size - String.length name do
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print_string " "
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done;
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Printf.printf " %s(%.2d%%)\n" (format time) (compute_percent time)
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in
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let print_sep () =
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for i = 1 to max_size + 22 + String.length big_space do
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print_string "#"
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done;
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Printf.printf "\n"
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in
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print_sep ();
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Printf.printf "Compilation statistics for %s\n" !current_module;
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print_sep ();
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List.iter display (List.rev !timings);
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print_sep ();
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Printf.printf "TOTAL";
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for i = 1 to max_size - 5 do
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print_string " "
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done;
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let percent = List.fold_left (+) 0 (List.map compute_percent (List.map snd !timings)) in
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Printf.printf " %s(%.2d%%)\n" (format total_time) percent;
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current_module := ""
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)
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