Hi,
I have upgraded to 23.1 and encountered an error running qtl
running LAPW2 in parallel mode
STOP LAPW2 - FERMI; weights written
FERMI only
0.229u 0.063s 0:00.13 215.3%0+0k 0+1312io 0pf+0w
running QTL in parallel mode
calculating QTL's from parallel vectors
so: Undefined variable.
0.015u
Don't use Intel Hyper threading. Unless something drastic has changed it
gets in the way.
Beyong that there is no single answer. For small problems k-pt parallel is
better, perhaps 2 threads. For medium problems (10-25 unique atoms) mpi
with/without omp is better. For a large slab (50+ unique)
Dear All,
I am now using a machine with i7-13700K. This CPU has 8 performance
cores (P-cores) and 8 efficient cores (E-cores). In addition each P-core
has 2 threads, so there is 24 threads alltogether. It is hard to find
some reasonable info online, but probably a P-core is approx. 2x faster
Dear Prof. Blaha,
Thank you for your comments.
Are the functions u and u-dot provided in some output file? Manual
mentions different types of u and u-dot for the cases of Psi^LO and
Psi^lo. Manual also mentions that u and u-dot are obtained by numerical
integration of radial Schrodinger
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