lapackers

["Langou, Julien" <Julien.Langou@ucdenver.edu>]

Agree with all what Rodney is saying. (Thanks Rodney.)

For MRRR perf, 
1) there is plenty of perf in LAWN #195, (from 2007)
2) I just sent a driver to Rodney to do this. For a machine, would be nice to 
run this at Boulder on their big cluster!!! We'll see. 

Julien.


On Oct 13, 2011, at 12:31 PM, James, Rodney wrote:

> Hi Julie,
> 
> - The LAPACK QZ is a long way off, hopefully it will be there for SC12
> 
> - ScaLAPACK Nonsymmetric Eigenvalue Problem (QR) code….the double precision 
> works, and I am working on a single precision version.  We are missing 
> complex versions, and the necessary routines for computing the eigenvectors 
> - unless we can get this code from Bo Kagstrom, if it even exists, the only 
> parts that can be ready by SC11 will be the real (single and double) 
> eigenvalue computation.
> 
> - ScaLAPACK CAQR will not be ready until early next year.
> 
> - ScaLAPACK LDLT, I could do this at some point, but not in time for SC11.  
> If Berkley doesn't get to it first, I will do the LDLT at the same time I 
> do the CAQR.
> 
> - ScaLAPACK 2.0 release notes - I will put this together
> 
> - ScaLAPACK benchmarking for MRRR.  I would be happy to do this if I had 
> access to a large parallel distributed machine.  The largest machine I have 
> access to is my quad core 8GB Mac Pro that sits on my desk.   If someone 
> can get me access to a larger machine, I will get performance numbers for 
> MRRR against the existing ScaLAPACK SEP code.
> 
> - CMAKE and Installer for ScaLAPACK - probably better for you (Julie) to do 
> this.  I have no experience at all with cmake or ScaLAPACK installer.
> 
> Rodney
> 
> 
> On Oct 13, 2011, at 9:44 AM, julie langou wrote:
> 
>>> Dear lapackers,
>>> It is time to freeze what will go in the LAPACK and ScaLAPACK releases as 
>>> we need to prepare the posters for SC11.
>>> Below is a draft of the Release Notes for LAPACK 3.4.0. This contains 
>>> what is already in.
>>> Please let me know if you have some codes that will be ready for mid 
>>> November:
>>> - [UCD] status of LAPACK QZ, ScaLAPACK QR, ScaLAPACK CAQR
>>> - [UC Berkley] status of Craig's algo integration
>>> - [somebody?] ScaLAPACK LDLT
>>> 
>>> For ScaLAPACK, Rodney, I would need a detailed section on the change for 
>>> ScaLAPACK 2.0. Also we need to coordinate the update of the ScaLAPACK 
>>> installer and the creation of a new CMAKE build system for ScaLAPACK. I 
>>> am fine working on it, but just let me know.
>>> Again for Rodney, we need some performance on MRRR. Did you have time to 
>>> get some, if not, same, I can take care of it.
>>> 
>>> Regarding LAPACKE, INTEL did not send us yet the new version. I will 
>>> contact them.
>>> Let me know if you have any questions about the next LAPACK and ScaLAPACK 
>>> releases.
>>> Regards,
>>> Julie
>> 
>