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Re: gcc build / test times on multi-core hosts?
Joern RENNECKE writes:
> Andrew Haley wrote:
>
> >
> >As a comparison point, I get
> >
> >real 73m39.275s
> >user 113m19.549s
> >sys 15m26.010s
> >
> >for the bootstrap: that's 1h14 elapsed time. That's on a "AMD
> >Athlon(tm) 64 X2 Dual Core Processor 4800+" (2.4 GHz) with make -j3.
> >That's 129min of CPU time in 74min of elapsed time, a pretty good
> >processor utilization ratio of 1.75 : 2.
> >
> >
> Is that using the i686 or amd64 instruction set? If the latter, does it
> use 32 or 64 bit pointers?
The latter. Yes.
> How much RAM dos this machine have, and how fast is it?
2G. DDR400 3-3-3-8 (TWINX2048-3200PRO)
This RAM also has flashing LEDs to make it go faster. (Something to do
with photonics, I think.)
Andrew.