[Beowulf] MIPS/Watt data
bari at onelabs.com
Wed Jun 2 10:57:12 EDT 2004
Jim Lux wrote:
> Just for grins..
> A company (Faraday Technology) has announced an implementation of a ARM
> V4 core that they claim runs at 500 MHz at 0.3 Watts. They claim this
> is good for about 675 Dhrystone MIPS (but, of course, since Dhrystone is
> integer and small, it's probably running entirely out of the 32k on-chip
> cache). That's 2250 MIPS/watt, which is quite impressive (of course,
> it's on an ancient benchmark that is probably irrelevant for most
> If we compare Dhry mips to Bogomips (who's to say if we're not within an
> order of magnitude).. A 3.4 GHz P4 turned in 6700 Bogomips. That was
> probably around 100W (total guess), for 67 Bogomips/watt.
ARM, Mips and SH all beat the pants off x86 in the MIPS/watt and also in
the FLOPS/watt department.
Nobody seems to be interested in clusters built with these
architectures. We started design on a 1TFLOP cluster a few years back
based on a 64/128 bit MIPS cpu by Toshiba (similar to the emotion engine
in the Playstation2). It would have fit into a single 19" rack and
consumed around only 6,000 watts.
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