[Libmesh-devel] Pathscale compiler

[John P. <jwp...@gm...>]

Hi,

FYI, It looks like we "support" the pathscale compilers...

I recently got access to the new Cray system at NICS (kraken) and
they've got the pathscale compilers there.  Does anyone know about
this compiler?  I think it may use GNU on the backend somehow.  When I
type CC --version (CC is like Cray's mpiCC wrapper script AFAICT) I
get:

/opt/cray/xt-asyncpe/2.0/bin/CC: INFO: linux target is being used
PathScale(TM) Compiler Suite: Version 3.2
Built on: 2008-06-16 16:41:38 -0700
Thread model: posix
GNU gcc version 4.2.0 (PathScale 3.2 driver)

Copyright 2000, 2001 Silicon Graphics, Inc.  All Rights Reserved.
Copyright 2002, 2003, 2004, 2005, 2006 PathScale, Inc.  All Rights Reserved.
Copyright 2006, 2007 QLogic Corporation.  All Rights Reserved.
Copyright 2007, 2008 PathScale LLC.  All Rights Reserved.
See complete copyright, patent and legal notices in the
/opt/pathscale/share/doc/pathscale-compilers-3.2/LEGAL.pdf file.

There were no errors, but a number of the files reported warnings
along the lines of:

"src/fe/fe_monomial_shape_0D.C": Warning: Olimit was exceeded on
function FEBase::~FEBase(); will not perform function-scope
optimization.
	To still perform function-scope optimization, use -OPT:Olimit=0 (no
limit) or -OPT:Olimit=8051

The warning seemed to be always tied to the FEBase destructor, but I
don't understand this because that function is empty ...

I'm still waiting to see if this will link and actually run a program,
but if you have a simple-to-set-up benchmark case you'd like me to try
out on this machine I can give it a shot.  We have about 100k SUs
there for testing/fooling around purposes.

-- 
John