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Date: Mon, 07 Sep 2009 20:07:45 +0200
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Olivier Scalbert schrieb:

> My 64 bits machine is an "old" single core Athlon (512KB cache size). So
> perhaps it is normal !

FWIW, I get ~30 sec for the single core version and
~31 sec (� .5 sec) for the multicore version on a VMware
virtual machine: it runs Debian 5.0 and has one VM core
assigned to it, of an Intel(R) Core(TM)2 Duo CPU
E6750  @ 2.66GHz

In another Virtual Box that displays one CPU inside,
but runs on an Intel Core Duo 1300 @ 1.66GHz,
the results are 1m3s (� 3s) versus ~45 - ~55 sec.

Both programs are 32 bit executables.

I don't really know what causes the greater fluctuations within
the runs on the older Core Duo, except for the (obvious?) reasons:
It is a VirtualBox (2.1.4) and runs on a desktop computer...