[CP2K:4180] Decomposition of Fourier Grids

hut... at pci.uzh.ch hut... at pci.uzh.ch
Tue Nov 13 15:33:30 UTC 2012


if the FFT grids are 1-d decomposed it is along the x direction.
Unfortunately, it seems that we never installed a keyword to
set the 1/2-d distribution from the input.



Juerg Hutter                         Phone : ++41 44 635 4491
Physical Chemistry Institute   FAX   : ++41 44 635 6838
University of Zurich               E-mail:  hut... at pci.uzh.ch
Winterthurerstrasse 190
CH-8057 Zurich, Switzerland

-----cp... at googlegroups.com wrote: -----
To: cp... at googlegroups.com
From: YE-FEI LI 
Sent by: cp... at googlegroups.com
Date: 11/12/2012 11:43PM
Subject: [CP2K:4180] Decomposition of Fourier Grids

Dear CP2K developers and users:
    Thanks for your attention. I saw a document online "CP2K: parallel algorithms". This document introduces that the FFT grid can be decomposed in 1-D (<256 core) and 2-D (>256 core). Is it possible for me to force cp2k decompose the FFT grid in 2-D for less than 256 core? Further more, it seems that in 1-D, the FFT grids is decomposed along x-axis, am I correct~?
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