[Pw_forum] How to speed up gipaw?

2011-09-07 Thread Davide Ceresoli
Dear Pengju, on possibility is to use pools, in order to distribute k-points on more CPUs. I always set iverbosity=1 to see some output as the calculation is running (I suffer of empty-output-phobia). To get an idea of the computational cost: I have calculated a complicated silicate mineral w

[Pw_forum] How to speed up gipaw?

2011-09-07 Thread Ren PJ
Dear all, I'm using gipaw to calculate NMR of a system contain more than 100 atoms, but the first k point haven't been done after more than 40 hours. It's so slow for me. Here is my input: &inputgipaw job = 'nmr' prefix = 'pw' tmp_dir = './tmp/' isolve = 0 c