[petsc-users] configure error on Titan with Intel

[Mark Adams]

I think I did a super clean build...  I will try again.

On Mon, May 11, 2015 at 5:04 PM, Matthew Knepley <knepley at gmail.com> wrote:

> On Mon, May 11, 2015 at 6:55 PM, Mark Adams <mfadams at lbl.gov> wrote:
>
>> More Titan fun.  I have built for PGI on Titan but tests are failing to
>> build: -lhwloc?
>>
>> cc -mp -fast  -o ex56 ex56.o
>> -L/autofs/na3_home1/adams/petsc_master_opt64idx_pgi/lib  -lpetsc
>> -Wl,-rpath,/opt/pgi/14.2.0/linux86/5.1/lib
>> -L/opt/pgi/14.2.0/linux86/5.1/lib -llapack -lblas
>> -Wl,-rpath,/autofs/na3_home1/adams/petsc_master_opt64idx_pgi/lib
>> -L/autofs/na3_home1/adams/petsc_master_opt64idx_pgi/lib -lparmetis -lmetis
>> -lhwloc -lssl -lcrypto -ldl -lstdc++
>> /usr/bin/ld: cannot find -lhwloc
>> make: [ex56] Error 2 (ignored)
>> /
>>
>
> Barry had hwloc autoinstalling, but then we talked him out of it. You need
> to clean things out and build again, since it
> thinks that it is still there.
>
>   Matt
>
>
>> On Fri, May 8, 2015 at 5:51 PM, Jed Brown <jed at jedbrown.org> wrote:
>>
>>> Satish Balay <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.
>>>
>>
>>
>
>
> --
> What most experimenters take for granted before they begin their
> experiments is infinitely more interesting than any results to which their
> experiments lead.
> -- Norbert Wiener
>
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