Sebastien Lelong wrote:
> I don't have the same results... Compiling all 544 samples:
> real 19m26.679s
> user 16m43.843s
> sys 0m55.423s
>
> So 16 minutes actually spent on compilation ("user" row to remove other
> processes overhead)
>
>
> Using jalv24m-beta ("jal 2.4m-beta (compiled Aug 20 2009)")
>
>
> $ time sh tools/build/compile.sh
>
> gives
>
> real 36m18.497s
> user 30m1.173s
> sys 1m22.081s
>
>
>
> Can you try compiling *all* samples, so we're sure we can compare ?
>
To be sure: we are talking about compile-only (no validation etc)?
I have only 539 samples after I removed some this morning. And I have
only 'elapsed' time (probably your real time) on an otherwise empty
system. I did 3 runs with each compiler.
2.4l 199.02 186.24 186.28
2.4m 138.82 136.35 136.55
(times in seconds)
The very first measurement is somewhat longer (or better formulated: the
others are shorter) because of disk caching. The third and fourth column
are consistent and show that 2.4m is almost 25% faster than 2.4l on my
system.
I see that in absolute sense my system is about 10 times faster than
yours. That surprises me: I have certainly not an extreme PC with an AMD
Athlon 64 X2 3800 processor. And only a single processor is really used
in this case because the compiler is single threaded and so is the
script (no parallel compilations).
Regards Rob.
--
Rob Hamerling, Vianen, NL (http://www.robh.nl/)
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