Hi,
On Tue, May 26, 2009 at 07:02:16PM +0200, Gabriel Kerneis wrote:
> [By the way, ocamlutil/stats.ml is broken on 64bit architectures, the
> figures returned by printM in Stats.print should by doubled. I'll send a
> patch for this one too.]
Please find the patch attached. David, I'd be glad if you could apply
it.
Here is the relevant bit of the Ocaml manual:
The total amount of memory allocated by the program since it was started
is (in words) minor_words + major_words - promoted_words. Multiply by
the word size (4 on a 32-bit machine, 8 on a 64-bit machine) to get the
number of bytes.
http://caml.inria.fr/pub/docs/manual-ocaml/libref/Gc.html
Regards,
--
Gabriel Kerneis
diff -ur cil-darcs/ocamlutil/stats.ml cil-patched/ocamlutil/stats.ml
--- cil-darcs/ocamlutil/stats.ml 2009-05-28 10:57:08.000000000 +0200
+++ cil-patched/ocamlutil/stats.ml 2009-05-28 12:27:30.000000000 +0200
@@ -100,7 +100,8 @@
else "Unix.time");
let gc = Gc.quick_stat () in
let printM (w: float) : string =
- Printf.sprintf "%.2fMb" (w *. 4.0 /. 1000000.0)
+ let coeff = float_of_int (Sys.word_size / 8) in
+ Printf.sprintf "%.2fMb" (w *. coeff /. 1000000.0)
in
Printf.fprintf chn
"Memory statistics: total=%s, max=%s, minor=%s, major=%s, promoted=%s\n minor collections=%d major collections=%d compactions=%d\n"
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