FC4 test (x86_64) poor performance
Dave Jones
davej at redhat.com
Mon May 30 03:49:46 UTC 2005
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
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