Using hyperthreading on 2 Proc Xeon cluster nodes

Greg Lindahl lindahl at keyresearch.com
Sun Jun 9 16:01:33 EDT 2002


On Fri, Jun 07, 2002 at 04:57:21PM -0400, Patrick Geoffray wrote:

> BTW, the 2 virtual processors share the same FPU, so not interesting for 
> HPC.

I thought it had 2 complete register sets and shared the ALUs, both
integer and FP? Not that this difference makes it interesting for HPC.

greg
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