[QE-users] Critical temperature calculations in Quantum Espresso 7.0

2022-03-04 Thread Piotr Szkudlarek
Dear Users and Developers of Quantum Espresso, I am trying to perform a calculation of critical temperature for Al. However, instructions on the website seem to be outdated. It tells the user to "specify option la2f=.true. to pw.x in order to save a file with the eigenvalues on the dense *k*-point

Re: [QE-users] QE-GPU: Discrepancy in forces and problem in using OMP threading

2022-03-04 Thread Filippo Spiga
Ops, typo while typing from the phone... "are you using OMP_NUM_THREADS=48 or OMP_NUM_THREADS=12?" (everything else is correct) -- Filippo SPIGA ~ http://fspiga.github.io ~ skype: filippo.spiga On Fri, 4 Mar 2022 at 09:33, Filippo Spiga wrote: > Dear Manish, > > when you use nGPU=4, the "#

Re: [QE-users] QE-GPU: Discrepancy in forces and problem in using OMP threading

2022-03-04 Thread Filippo Spiga
Dear Manish, when you use nGPU=4, the "# of Threads" column specify the aggregate number of threads? Meaning, are you using OMP_NUM_TRHREADS=48 or OMP_NUM_TRHREADS=48? From you email it is not clear and, if you oversubscribe physical cores with threads or processes then performance is not going