On Fri, 2005-06-03 at 09:22 +0100, Simon Marlow wrote:
> On 02 June 2005 16:48, Duncan Coutts wrote:
>
> > I have a program which runs to completion on windows in about 90Mb of
> > heap space. Ie the following works ok:
> >
> > prog.exe +RTS -M90m -RTS
> >
> > However if I use the -H option to reserve a bigger initial heap size:
> >
> > prog.exe +RTS -H60m -M90m -RTS
> >
> > then the program fails part way through with heap exhaustion. This
> > seems odd given what the -H and -M options are supposed to do.
> >
> > What particularly makes me think this is a bug is that the following
> > also fails:
> >
> > prog.exe +RTS -H730m -M750m -RTS
> >
> > and it fails ever sooner if I use:
> >
> > prog.exe +RTS -H750m -M750m -RTS
>
> Hi Duncan - could you send us output from the above run with +RTS
> -Sstderr?
So for that last run "prog.exe +RTS -H750m -M750m -RTS" we get
E:\dcoutts\MSYS1.0\home\dcoutts\build\gtk2hs-0.9.7.91\tools\c2hs\c2hsLocal.exe
-C-Ie:/dcoutts/GTK/include/glib-2.0 -C-Ie:/dcoutts/GTK/lib/glib-2.0/include
-C-Ie:/dcoutts/GTK/include/gtk-2.0 -C-Ie:/dcoutts/GTK/lib/gtk-2.0/include
-C-Ie:/dcoutts/GTK/include/pango-1.0 -C-Ie:/dcoutts/GTK/include/atk-1.0
--cppopts=-include "gtk2hs-config.h" --precomp=gtk/gtk.precomp gtk/gtk.h +RTS
-H750m -M750m -Sstderr
Alloc Collect Live GC GC TOT TOT Page Flts
bytes bytes bytes user elap user elap
267224 262144 20008 0.01 0.03 0.01 0.03 0 0 (Gen: 1)
576910260 576921600 32643288 0.73 0.75 4.13 4.75 0 0 (Gen: 0)
170915076 684748800 34673400 0.69 0.78 5.89 6.64 0 0 (Gen: 0)
67135828 691081216 35737220 0.59 0.59 7.25 8.00 0 0 (Gen: 1)
Heap exhausted;
Current maximum heap size is 749998080 bytes (715 Mb);
use `+RTS -M<size>' to increase it.
Let me know if you want the same output from other runs or any other output.
Duncan
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