[petsc-users] configure error on Titan with Intel

[Mark Adams]

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)
/

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.
>
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