X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=components%2Fextlib%2FhExtlib.ml;h=bf725122c260e31f0b8c4595e36f9af2833db2fb;hb=1a65db059b643422fc8eded4f4e03b512071515b;hp=ded11b9fea412d5e8c917bf6fb79ebf4fb89b926;hpb=e0823263070af6e0b6f939a2c3206a7c224bcb98;p=helm.git

diff --git a/components/extlib/hExtlib.ml b/components/extlib/hExtlib.ml
index ded11b9fe..bf725122c 100644
--- a/components/extlib/hExtlib.ml
+++ b/components/extlib/hExtlib.ml
@@ -29,12 +29,18 @@
 
 let profiling_enabled = ComponentsConf.profiling
 
+let something_profiled = ref false
+
 let _ = 
-  if profiling_enabled then
+  if !something_profiled then
     at_exit 
-      (fun _ -> prerr_endline 
-        (Printf.sprintf "!! %-39s %6s %9s %9s %9s" 
-          "function" "#calls" "total" "max" "average"))
+      (fun _ -> 
+        prerr_endline 
+         (Printf.sprintf "!! %39s ---------- --------- --------- ---------" 
+           (String.make 39 '-'));
+        prerr_endline 
+         (Printf.sprintf "!! %-39s %10s %9s %9s %9s" 
+           "function" "#calls" "total" "max" "average"))
 
 let profiling_printings = ref (fun _ -> true)
 let set_profiling_printings f = profiling_printings := f
@@ -65,10 +71,13 @@ let profile ?(enable = true) s =
    in
    at_exit
     (fun () ->
-      if !profiling_printings s && !total <> 0. then
+      if !profiling_printings s && !calls <> 0 then
+       begin
+        something_profiled := true;
         prerr_endline
-         (Printf.sprintf "!! %-39s %6d %9.4f %9.4f %9.4f" 
-         s !calls !total !max (!total /. (float_of_int !calls))));
+         (Printf.sprintf "!! %-39s %10d %9.4f %9.4f %9.4f" 
+         s !calls !total !max (!total /. (float_of_int !calls)))
+       end);
    { profile = profile }
  else
    { profile = fun f x -> f x }
@@ -356,3 +365,7 @@ let raise_localized_exception ~offset floc exn =
    { flocb with Lexing.pos_cnum = x }, { floce with Lexing.pos_cnum = y }
  in
   raise (Localized (floc, exn))
+
+let estimate_size x = 
+  4 * (String.length (Marshal.to_string x [])) / 1024
+