faq.openmp
Table of Contents
OPTIONs for # threads
OMP_NUM_THREADS
export OMP_NUM_THREADS=n
OPTIONs in a parameter file
OPTION num_threads_pcg n
Default: n=4 Usually, n=4-6 is the best A large number creates too many I/O accesses in HDD (SSD) and slows down the PCG iterations
OPTION num_threads_pregs n
Default: the maximum number of threads available in your system
faq.openmp.txt · Last modified: 2024/03/25 18:22 by 127.0.0.1