In the WIEN2k 14.2 userguide [
http://www.wien2k.at/reg_user/textbooks/usersguide.pdf ] on page 80, it
says:
/lapw0_mpi is parallelized over the number of atoms and with a parallel
FFT, which is important in case you have large FFT grids. This method
leads to good scalability as long as
Dear WIEN2K user,
I am now doing parallel calculation on lapw0, one thing I notice is that,
lapw0 is only paralleled over atoms, as discussed here
http://www.mail-archive.com/wien%40zeus.theochem.tuwien.ac.at/msg06622.html
In my case, I have a 4x4x4 supercell, and in total 128 atoms, so that
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