Hi Ross,
Actually I am quite happy with Intel compilers v.10 coupled with MKL 9.xx
For Intel v9.0 Itanium compilers however (Altix with SuSe10) I need to add
CFLAGS: -gcc-version=400 in order to make it work.
Thanks
Alex
From: Ross Walker <ross.rosswalker.co.uk>
Date: Tuesday, October 23, 2007 1:38 pm
Subject: RE: AMBER: Portland Group vs. Intel Compilers.
To: amber.scripps.edu
> Hi Aaron and Alex,
>
> I use the Intel compilers as part of Amber development and have never
> had
> any compilation problems with any version of the compilers. Of course
> there
> are several compiler bugs that can bite in places after compilation
> but we
> have worked around most of these now. The Portland group compilers on
> the
> other hand have always caused me more problems. One big issue was
> having to
> force 32 bit compilation on x86_64 chips to work around a major
> problem in
> the Portland group compiler. This of course causes problems linking to
> the
> x86_64 optimized MKL libraries.
>
> So my general advice is to get the latest Intel compiler and use this.
> This
> generally appears to give the best performance on x86 / x86_64 architectures
> including AMD Opterons.
>
> What problems are you seeing with the Intel compilers?
>
> All the best
> Ross
>
> /\
> \/
> |\oss Walker
>
> | HPC Consultant and Staff Scientist |
> | San Diego Supercomputer Center |
> | Tel: +1 858 822 0854 | EMail:- ross.rosswalker.co.uk |
> | http://www.rosswalker.co.uk | PGP Key available on request |
>
> Note: Electronic Mail is not secure, has no guarantee of delivery, may
> not
> be read every day, and should not be used for urgent or sensitive
> issues.
>
> > -----Original Message-----
> > From: owner-amber.scripps.edu
> > [mailto:owner-amber.scripps.edu] On Behalf Of Alexandar T Tzanov
> > Sent: Tuesday, October 23, 2007 10:12
> > To: amber.scripps.edu
> > Subject: Re: AMBER: Portland Group vs. Intel Compilers.
> >
> > I did not have any problems with Intel C and F 10.0.xx
> > compiling Amber under
> > Suse 10.Maybe you're using other versions? If using 9.0 i.e
> > you must use
> > gnu 400 option to make compilation.
> >
> > Alex
> >
> >
> > ----- Original Message -----
> > From: Aaron Greenwood <agreenwo.uci.edu>
> > Date: Tuesday, October 23, 2007 1:05 pm
> > Subject: AMBER: Portland Group vs. Intel Compilers.
> > To: amber.scripps.edu
> >
> >
> > > Even through the Intel C and FORTRAN compilers are without
> > cost there
> > >
> > > seems to be a lot more problems using them to compile AMBER
> > than using
> > >
> > > Portland Group compilers. I am not trying to start a
> > religious war
> > > but
> > > would appreciate comments on the pros and cons of each compiler.
> > >
> > > Best regards,
> > >
> > > Aaron
> > >
> > > --
> > >
> > > Aaron Greenwood
> > > Systems Administrator
> > > McPherson/Poulos Groups
> > > University of California
> > > Irvine, CA 92697
> > >
> > > Office: 9327 Battle Creek Street NW
> > > Albuquerque, NM 87114
> > > Home Tele: 505.890.8218
> > > Cell: 951.818.0594
> > > agreenwo.uci.edu
> > > greenwood.abqnorthwest.com
> > > http://crystal.bio.uci.edu/agreenwo
> > >
> > >
> > >
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>
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Received on Wed Oct 24 2007 - 06:07:51 PDT
