On Mon, Oct 02, 2006 at 04:21:32PM +0200, Michel Talon wrote: [...] > > Thanks a lot for this very interesting measurement. I note that using > parallel makes takes 18 minutes at best and 20 minutes at worst, while > build_index takes 26 minutes. I suppose parallel make runs faster because > more of the work is spread over several processors. While in my case i launch > several makes, but there is always just one python process to read them.
This is a single processor machine. Not hyperthreaded nor multicored.
Running UP kernel.
[...]
>
> And now i have a problem, how is it that i spend only two minutes more than
> you (and even one minute less than you if i do the same computation starting
> from 23 minutes) while you have obviously a much more powerful machine than
> me?
>
> niobe% dmesg
> ...
> FreeBSD 6.1-RELEASE #1: Thu May 11 14:54:37 CEST 2006
> CPU: Intel(R) Pentium(R) 4 CPU 3.06GHz (3073.65-MHz 686-class CPU)
I wouldn't exactly say that a single core Athlon @ 2.2GHz is
"much more powerful" than a HTT Pentium4 @ 3GHz. Disk throughput and
memory capacity are not the bottleneck in this case.
--
Vasil Dimov
[EMAIL PROTECTED]
%
The Roman Rule
The one who says it cannot be done should never interrupt the
one who is doing it.
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