[rescue] SGI, MIPS, and IA-64
Francisco Javier Mesa-Martinez
lefa at cats.ucsc.edu
Fri Feb 15 18:22:23 CST 2002
On Fri, 15 Feb 2002, Joshua D Boyd wrote:
> >
> > Wow, six whole instructions...one more than the (several year old)
> > MIPS R10K. Isn't Intel wonderful?
>
> Err, the R10k only has 5 execution units. I'm assuming that they operate
> in parallel, but I can't seem to find any sources that say this explicitly.
The R10K can perform 2 Integer, 2 FP instructions plus one load/store in
parallel. So it is able to schedule 5 instructions and retire 4 per clock
cycle.
All information about the R10K can be obtained from the horse's mouth:
http://www.sgi.com/processors/r10k/tech_info/
The R10K is a beautiful design.
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