We need much more information. For all we know, you could be using the serial version. Please elaborate on all you have done.
-- Kind regards Nick Papior On 20 Oct 2015 23:48, "Anup Pandey" <[email protected]> wrote: > Hello everyone, > > I have a simple and tricky question about running the SIESTA in parallel. > I am running my 512-atom system using PARALLEL siesta in 24 nodes in a > supercomputer. What surprises me is that the program is running well but > seems to be running slower than the SERIAL version. I have already tried > various combinations of nodes. > > Any suggestion will be highly appreciated. > > Thanks. > > AP > > >
