[rescue] fastest Ultra 5 marketed by Sun?
Patrick Giagnocavo
patrick at zill.net
Sun Jul 22 15:03:00 CDT 2007
On Jul 22, 2007, at 3:40 PM, Lord Doomicus wrote:
>
> When I got my Ultra5, U2's were still expensive. I was upgrading
> from a Sparc 20. So the U5 was a pretty good upgrade.
>
The actual problem with the U2 is memory bandwidth. For interpreted
stuff like Perl/PHP/etc. memory bandwidth matters because the code
doesn't fit in L2 cache.
see: http://www.hclinfosystems.com/pdf/sparc.pdf
There are applications that perform really well on a 500Mhz Netra X1
that don't perform well on a dual-CPU U2.
--Patrick
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