[yt-users] undefined symbol: _intel_fast_memcpy

[Matthew Turk]

Hi JC,

I agree with Jeff and John -- what seems likely to me is that the last
time you rebuilt the amr_utils.so module, the intel compiler was
loaded.  This can happen when, for instance, you run "yt instinfo -u".
 To fix this, I would suggest you load the gnu module and do:

# module load gnu first!
cd /global/home/jcpassy/yt-x86_64/src/yt-trunk-svn/
python2.6 setup.py build_ext -i -f

That should rebuild all your yt C modules, this time with GNU.

-Matt

On Wed, May 5, 2010 at 3:33 PM, j s oishi <jsoishi at gmail.com> wrote:
> Hi JC,
>
> I don't know why python works with the intel compiler, but I suspect
> if you tried to do very much with it, it would eventually have trouble
> finding a shared library.
>
> It is telling you right on the command line what compiler it was built with:
>
>> [11:37:59] seawolf1:$ python2.6
>> Python 2.6.3 (r263:75183, Apr 14 2010, 08:48:56)
>> [GCC 4.1.2 20080704 (Red Hat 4.1.2-44)] on linux2
>
> Load that module, and yt should work.
>
> j
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