Re: Timer updates revision 7 (asm sets predicates/various fixes)

Jack Steiner
2004-07-30T14:45:47Z

> New Code:
>
> singsing:/usr/src/noship-tests # ./dmt
> gettimeofday cycles: 3312 212 213 213 212 212 213 213 213 213
> clock_gettime(REAL) cycles: 2880 224 210 210 210 210 210 210 210 210
> clock_gettime(MONO) cycles: 285 233 226 219 219 219 219 219 219 219
>
> singsing:/usr/src/noship-tests # ./todscale
> CPUS WALL WALL/CPUS
> 1 0.187 0.187
> 2 0.746 0.373

The new code certainly is faster, but does it scale at high cpu counts?

The numbers above indicate a substantial slowdown going from 1 to 2
cpus. What happens at higher cpu counts.

--
Thanks

Jack Steiner (steiner@sgi.com) 651-683-5302
Principal Engineer SGI - Silicon Graphics, Inc.