[Pw_forum] PW taskgroups and a large run on a BG/P

David Farrell davidfarrell2008 at u.northwestern.edu
Thu Feb 12 13:44:54 CET 2009


Indeed - the serial diagonalization cases seem to be fine.

Paolo, did you get the files I sent over yesterday? I think the list  
may have bounced them - but I had CC'd you on it.

Dave

On Feb 12, 2009, at 2:54 AM, Paolo Giannozzi wrote:

>
> On Feb 12, 2009, at 9:20 , Lorenzo Paulatto wrote:
>
>> That subroutine is usually where error originated in the most
>> remotes parts of the code finally emerge. There are dozens of
>> possible errors that will not cause any apparent problem for a
>> while, until the errors accumulate enough to break positive
>> definiteness of the matrix.
>
> this is a different case: if the subspace diagonalization it works on
> one processor,
> it has to work on more that one processor as well
>
> Paolo
> ---
> Paolo Giannozzi, Democritos and University of Udine, Italy
>
>
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David E. Farrell
Post-Doctoral Fellow
Department of Materials Science and Engineering
Northwestern University
email: d-farrell2 at northwestern.edu

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