On 2011-04-18 19:21, Dima Pasechnik wrote:
> I think it's the pexpect problem that manifests itself on Linux
> kernels shipped with Ubuntu and Debian, but
> not with RHEL.
> We had a discussion about this here a while ago.
> (Just in case, I also tried this test on a very fast Debian system,
> and saw same slowness...)
>
> (you might see that CPU isn't very active during this run --- that's a
> sure sign of it).
Nice find!
Indeed, on this machine:
$ uname -a
Linux arcanis 2.6.34-gentoo-r12 #2 SMP Mon Dec 6 17:16:04 CET 2010
x86_64 Intel(R) Core(TM)2 Duo CPU T5870 @ 2.00GHz GenuineIntel GNU/Linux
$ time ./sage -t -long "devel/sage/sage/sandpiles/sandpile.py"
sage -t -long "devel/sage/sage/sandpiles/sandpile.py"
[517.0 s]
----------------------------------------------------------------------
All tests passed!
Total time for all tests: 517.0 seconds
real 8m37.080s
user 0m30.042s
sys 0m3.420s
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