[QE-users] Again Fatal error in PMPI_Comm_free

[Paolo Giannozzi]

On 04/11/2022 01:00, Yang Liu wrote:

> In my case, QE (before 7.1) never used parallel subspace diagonalization 
> algorithm without turning on scalapack during compilation.

I don't think this is true. Maybe the default behavior has changed when 
nothing is specified on the command line (-nd N), but if you specify the 
number of processors for parallel subspace diagonalization, the behavior 
should be the same, scalapack or no scalapack.

Paolo
-- 
Paolo Giannozzi, Dip. Scienze Matematiche Informatiche e Fisiche,
Univ. Udine, via delle Scienze 206, 33100 Udine Italy, +39-0432-558216