On Thu, 8 Jun 2000, Simon Burge wrote:

> Matt Thomas wrote:
> 
> > (cd usr.bin/make; make clean; csh -c 'time make')
> > 
> > ds5k:   580.7u 183.2s 13:20.01 95.4% 0+0k  15+923io 1193pf+0w
> > mp800:  352.1u  68.2s  7:23.12 94.8% 0+0k  12+846io  256pf+0w
> > vs4k:   ???.?u  ??.?s  5:42.70 ??.?% 0+0k  19+331io  471pf+0w
> > cobalt:  91.1u  16.7s  2:01.75 88.6% 0+0k 786+974io 1078pf+0w
> 
> 60MHz R4400 (DECsystem 5900/60), src via NFS:
> 
> 143.4u 29.7s 3:05.16 93.5% 0+0k 313+1178io 391pf+0w
> 
> With the DECsystem, 60MHz is the external clock speed, not the internal
> doubled clock speed - eg, lmbench reports 119MHz.  I'd say you should
> be getting about the same performance as my DEC box all things being
> equal.  I'm guessing that the C compiler doesn't do FP - that'd kill
> the VR4121...

  Also, the DECsystem has L2 cache, and the mp800 didn't appear to
have any.

--
Michael L. Hitch			mhitch@montana.edu
Computer Consultant
Information Technology Center
Montana State University	Bozeman, MT	USA