[Mono-devel-list] USE_MMAP speed/time tradeoff

Ben Maurer bmaurer at ximian.com
Sat Aug 6 21:41:35 EDT 2005

On Sun, 2005-08-07 at 00:14 +0200, Michal Moskal wrote:
> On 8/6/05, Ben Maurer <bmaurer at ximian.com> wrote:
> > > I noticed slowdown in Nemerle compiler with:
> > Any differences in the oprofile output? Can you try on x86?
> The oprofile as well as --profile=default:stat shows that the difference
> lies in GC, precisely in GC_mark_from, other functions are generally the
> same. And the difference in GC_mark_from is like this 10%.
> I can try checking x86 later, but it will require some setup. Anyway the
> difference should be also seen in mcs bootstrap.

Interesting. Maybe the amount of memory mmaped is too small and so you
get more GCs?

> > Also, Gonzalo was trying
> > to work on the "large file upload" setup, which has better solutions
> > (buffering to files, like is done in Whidbey).
> "large file upload"? I don't get it.

mod_mono/xsp users who want to receive large files...

-- Ben

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