[petsc-dev] Fwd: [petsc-users] configure error on Titan with Intel

[Barry Smith]

  Remind me again how much the US tax payers spend on this machine each year.


> Begin forwarded message:
> 
> From: Mark Adams <mfadams at lbl.gov>
> Subject: Re: [petsc-users] configure error on Titan with Intel
> Date: May 12, 2015 at 11:12:55 AM CDT
> To: Barry Smith <bsmith at mcs.anl.gov>
> Cc: Jed Brown <jed at jedbrown.org>, petsc-users <petsc-users at mcs.anl.gov>, "David Trebotich" <treb at lbl.gov>, "D'Azevedo, Ed F." <dazevedoef at ornl.gov>
> 
> 
> 
>   Notes: ./configure ran fine and detected -lhwloc in some standard system install location under normal circumstances it couldn't just disappear for a different example.
> 
> 
> I configured in an interactive shell, so on a compute node.  I tried to 'make ex56' on a login node, as usual.  So I am guessing that it would have worked if I had made it a compute node.  They have an inconstancy, I'm guessing. I can try it all on a compute node ....
> 
> Mark
>  
> 
> > /
> >
> > On Fri, May 8, 2015 at 5:51 PM, Jed Brown <jed at jedbrown.org <mailto:jed at jedbrown.org>> wrote:
> > Satish Balay <balay at mcs.anl.gov <mailto:balay at mcs.anl.gov>> writes:
> >
> > > Also - Perhaps with intel compilers - the recommended blas is
> > > something other than ACML? [like MKL?]. Something to check..
> >
> > MKL (and anything built using the Intel compiler) has the "run slower on
> > AMD" feature.  For any given operation, ACML won't necessarily be
> > faster, but at least it's not intentionally crippled.  For most of what
> > PETSc does, any such MKL/ACML difference is irrelevant.
> >
> > <configure.log><make.log>
> 
> 

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