[Pw_forum] How to convince QE from local lapack/blas?

[Michael Sullivan]

Guntram:

I've never seen this error message, but if you can try to edit the make.sys file directly. Replace the LAPACK_LIBS flag to point to your own LAPACK and probably change LAPACK_LIBS_SWITCH to external. That said, though, I've found that usually if it can't find it, there's a reason.

Good luck!

Mike
michael at ihpc.a-star.edu.sg
http://www.sullivan.sg/

On 21-Jul-2011, at 6:49 PM, Guntram Schmidt wrote:

> Dear All,
>
> after getting strange error-messages, which might be related to
> lapack/blas (
> DSYGV : 2538-2015
> The number of elements (ARG NO. 11) in a work array must be greater than
> or equal to (2048).
> )
> I'd like to use "our own" lapack/blas.
> Unfortunately QE won't find/accept them - what's the right way, to help it?
>
> I tried:
>  ./configure MPIF90=mpfort LIBDIRS="/gpfs/usrurz/lapack/lapack-3.2.1"
> with
>
> :/gpfs/usrurz/lapack/lapack-3.2.1> ls
> BLAS               CCI_README     Makefile                   README
> cci                ccisrc.tar     make.inc                   README_hh
> cci.log            INSTALL        make.inc.example           SRC
> CCI_NOTES          lapack_pwr6.a  make.inc.old               TESTING
> CCI_QUICK_INSTALL  LICENSE        make.log_pwr6_xlf_q64_cci  tmglib_pwr6.a
>
> yielding a quite promising directory of an installed lapack/blas?
>
> But QE insists on its own libraries.
>
> The system is an IBM 575 with Power-Linux=SLES11_on_Power and the only
> information I found is this here:
> http://www2.fz-juelich.de/jsc/jump/usage/FAQ/essl/
>
>
> Any ideas on this?
> Thanks a lot,
> Guntram
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