[Q-e-developers] ELPA and QE

[Filippo SPIGA]

On Sep 22, 2016, at 3:20 PM, nicola varini <nicola.varini at epfl.ch> wrote:
> This bug of the installation procedure should be fixed in the next release.

Andreas (ELPA developer) did not provide me a date for the next release. So ELPA is very much an experimental feature until they have a more clear and regular release cycle.


> Also, if you find a bug by using mkl scalapack during the diagonalization with the error:
> 
> Fatal error in PMPI_Cart_sub: Other MPI error, error stack:
>  PMPI_Cart_sub(242)...................: MPI_Cart_sub(comm=0xc400fced, remain_dims=0x7ffe8e4e1f68, comm_new=0x7ffe8e4e1ec0) failed
>  PMPI_Cart_sub(178)...................:
>  MPIR_Comm_split_impl(270)............:
>  MPIR_Get_contextid_sparse_group(1330): Too many communicators (5/16384 free on this process; ignore_id=0)
>  Fatal error in PMPI_Cart_sub: Other MPI error, error stack:

Can you report more details about this bug? It is better to track and reproduce errors like this one so maybe we have a chance to fix them as well!

--
Filippo SPIGA ~ Quantum ESPRESSO Foundation ~ http://www.quantum-espresso.org