On Thu, Mar 10, 2016 at 5:42 AM, David A Case <david.case.rutgers.edu> wrote:
> I suspect that we (and our users) get relatively little benefit from all the
> work that goes into supporting the Intel and PGI compilers, especially the
> former, which has a different set of bugs in every release.
Actually, Intel compilers are the default at many HPC sites (stampede,
comet, CHPC . U. Utah, etc).
> It would be nice if some kind soul with some free time could run a pmemd
> benchmark (say jac) comparing Intel vs gnu5 on a somewhat modern chip.
> Also, is cpptraj time-constrained enough to warrant the extra optimizations
> that might come from a proprietary compiler? Do we know anything about clang
> vs gnu for cpptraj?
What's this mythical "free time"?
In all seriousness, I'll try to run something like this today. I have
access to Gnu 5.3.1 and Intel 14 (old I know) on my local machine that
has a core i7-2600; not outstanding but not too terrible.
-Dan
>
> I'm willing to be persuaded: almost all my simulations are on GPUs now, where
> there is little need for proprietary compilers.
>
> ...dac
>
>
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--
-------------------------
Daniel R. Roe, PhD
Department of Medicinal Chemistry
University of Utah
30 South 2000 East, Room 307
Salt Lake City, UT 84112-5820
http://home.chpc.utah.edu/~cheatham/
(801) 587-9652
(801) 585-6208 (Fax)
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Received on Thu Mar 10 2016 - 07:30:05 PST
