[petsc-users] slepc NHEP error

Jose E. Roman jroman at dsic.upv.es
Thu Jun 15 10:30:03 CDT 2017


> El 15 jun 2017, a las 17:18, Kannan, Ramakrishnan <kannanr at ornl.gov> escribió:
> 
> 1. I am using the pre-loaded 64-bit petsc in the EOS system at OLCF. 
> 2. The BLAS and LAPACK are the cray wrappers and I don’t give any explicit BLAS/LAPACK.
> 3. I am association one MPI process for every core. Where and how do I turn threads off?

I don't have access to this machine. You can try setting OMP_NUM_THREADS=1 before launching, not sure if this will make a difference.
https://www.olcf.ornl.gov/kb_articles/compiling-threaded-codes-on-eos/


> 
> Do you want me to build a local petsc with 64-bit using their lapack and use my custom built petsc for building the slepc?

What I was suggesting is to build PETSc locally in your account with --download-fblaslapack --with-64-bit-indices, and build SLEPc against this one.

Jose

> -- 
> Regards,
> Ramki



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