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RE: GC Problems...
- From: "Boehm, Hans" <hans dot boehm at hp dot com>
- To: "'Simon Levitt'" <simon dot levitt at worldpay dot com>,gnustuff at thisiscool dot com, java at gcc dot gnu dot org
- Date: Thu, 9 Sep 2004 17:44:30 -0700
- Subject: RE: GC Problems...
If the heap is increasing in 4K chunks, that probably means the
garbage collected heap is not growing. By default it grows in
much larger chunks.
Hans
> -----Original Message-----
> From: java-owner@gcc.gnu.org
> [mailto:java-owner@gcc.gnu.org]On Behalf Of
> Simon Levitt
> Sent: Thursday, September 09, 2004 2:52 PM
> To: gnustuff@thisiscool.com; java@gcc.gnu.org
> Subject: Re: GC Problems...
>
>
> On Thursday 09 September 2004 00:40, Mohan Embar wrote:
> > Let me know tomorrow how you fared and I'll submit a format patch.
> >
> I discovered a problem with my test last night that doesn't
> make the results
> as good, although I think there better than before (certainly
> no worse).
>
> I'd reconfigured GCJ to attempt to enable the GC_BACKTRACES
> functionality.
> That lost my local change to force the use of GlobalAlloc
> (USE_GLOBAL_ALLOC).
>
> We're testing on Win2000 boxes and they have real problems
> allocating/garbage
> collecing the memory without this setting.
>
> Re-enabling the use of GlobalAlloc results in a slow leak
> (from my simple
> test) that means the heap increases quite slowly over time
> (taking 4k jumps I
> believe).
>
> I haven't run it to its logical conclusion yet...
>
> Damn... I though you'd got it...
>
> Simon.,
>