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

[giannozz at democritos.it]

Quoting Lorenzo Paulatto <paulatto at sissa.it>:

> pwscf does not use scalapack, unless specifically compiled for it, 
> using the -D__SCALAPACK flag.
>
> Per default the code uses a home-brew version

right

> of parallel davidson algorithm

not right: of a parallel conventional diagonalization,
used my Davidson and in iterative orthonormalization (cp)

> implemented by C. Cavazzoni.

right again

Paolo


----------------------------------------------------------------
This message was sent using IMP, the Internet Messaging Program.