2018-04-28

Try changing HPET settings to improve your PC's performance

You need to run the following commands on the command line in Windows to enable or disable the exclusive use of the HPET timer.
  • Tap on the Windows-key, enter cmd, right-click cmd.exe in the results listing and select to run the command prompt with administrative privileges.
  • To enable HPET as the only timer run the command:
    bcdedit /set useplatformclock true
  • To disable HPET in Windows run the command:
    bcdedit /deletevalue useplatformclock
https://www.ghacks.net/2013/04/18/try-changing-hpet-settings-to-improve-your-pcs-performance/

AnandTech article about impact of High Performance Event Timer (HPET)
A Timely Discovery: Examining Our AMD 2nd Gen Ryzen Results

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