FC4 test (x86_64) poor performance
Vlad
marchenko at gmail.com
Mon May 30 04:03:44 UTC 2005
wait, you mean the i386 version of FC3? case FC3 x86_64 shows same
numbers as FC4 x86_64 for me....
On 5/29/05, Dave Jones <davej at redhat.com> wrote:
> On Sun, May 29, 2005 at 11:41:24PM -0400, Vlad wrote:
>
> > FC4 x86_64, kernel is 2.6.11-1.1363_FC4 - the RPS is 730.
> > FC3 x86_64, latests kernel - same results.
> > FC3 i386, latests kernel - 570 RPS.
> > FreeBSD 5.4-RELEASE (x86_64, stock kernel) - 670 RPS
>
> I'd suspect the reason FC3 sucks right now on this benchmark is that
> 2.6.11 contained the 4-level page table support for AMD64, though
> it wasn't optimised until 2.6.12rc.
>
> At least its the only thing that comes to mind that could explain
> such a huge delta between the two. Good to know things are back
> to normal however.
>
> Dave
>
>
--
Vlad
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