Hi Are you using hyperthreading ? If yes, you should try to use only 32 cores. Check the total number of processors at the beginning of the run. The program makes an intense usage of the cpus so that hyperthreading is usually inefficient. Pietro
Sent from Mail for Windows 10 From: Michal Husak Sent: Monday, November 16, 2020 3:19 PM To: Quantum ESPRESSO users Forum Subject: [QE-users] Sub optimal performance on 32 core AMD machine I
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