[gmx-users] GPU warnings
szilard.pall at cbr.su.se
Mon Nov 26 15:02:36 CET 2012
On Sun, Nov 25, 2012 at 8:47 PM, Thomas Evangelidis <tevang3 at gmail.com>wrote:
> Hi Szilárd,
> I was able to run code compiled with icc 13 on Fedora 17, but as I don't
> > have Intel Compiler v13 on this machine I can't check it now.
> > Please check if it works for you with gcc 4.7.2 (which is the default)
> > let me know if you succeed. The performance difference between icc and
> > on your processor should be negligible with GPU runs and at most 5-10%
> > CPU-only runs.
> > As the issue is quite annoying, I'll try to have a look later, probably
> > after the beta is out.
> gcc 4.7.2 is not supported by any CUDA version.
I suggest that you just fix it by editing the include/host_config.h and
changing the version check macro (line 82 AFAIK). I've never had real
problems with using new and officially not supported gcc-s, the version
check is more of a promise from NVIDIA that "we've tested thoroughly
internally and we more or less vouch for thins combination".
Disclamer: I don't take responsibility if your machine goes up in flames! ;)
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