+let read_procmem () =
+ let pid = Unix.getpid() in
+ let cin = open_in (Printf.sprintf "/proc/%i/status" pid) in
+ let pattern = "VmRSS" in
+ let matchline s = let l = String.length pattern in
+ if (String.length s) < l then false
+ else let s' = String.sub s 0 l in
+ (s' = pattern)
+ in
+ let rec loop () =
+ let s = input_line cin in
+ if matchline s then s
+ else loop ()
+ in
+ let s = try loop() with _ -> "Could not read mem!"
+ in
+ close_in cin;
+ s
+;;
+
+let l = ref [] ;;
+let init_timer() = l := [];;
+let time_mem f x =
+ let s1 = read_procmem() in
+ let t1 = Unix.gettimeofday () in
+ let r = f x in
+ let s2 = read_procmem() in
+ let t2 = Unix.gettimeofday () in
+ let t = (1000. *. (t2 -. t1)) in
+ l:= t::!l;
+ Printf.eprintf " %fms\n%!" t ;
+ Printf.eprintf "Mem use before: %s\n%!" s1;
+ Printf.eprintf "Final Mem: %s\n\n\n%!" s2;
+ r
+;;
+let time f x =
+ let t1 = Unix.gettimeofday () in
+ let r = f x in
+ let t2 = Unix.gettimeofday () in
+ let t = (1000. *. (t2 -. t1)) in
+ l:= t::!l;
+ Printf.eprintf " %fms\n%!" t ;
+ r
+;;
+let total_time () = List.fold_left (+.) 0. !l;;