Tag Archives: timebeginperiod

Windows Timer Resolution: The Great Rule Change

Posted on January 29, 2021 by brucedawson

The behavior of the Windows scheduler changed significantly in Windows 10 2004 (aka, the April 2020 version of Windows), in a way that will break a few applications, and there appears to have been no announcement, and the documentation has … Continue reading →

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Windows Timer Resolution: The Great Rule Change

Posted on October 4, 2020 by brucedawson

The behavior of the Windows scheduler changed significantly in Windows 10 2004 (aka, the April 2020 version of Windows), in a way that will break a few applications, and there appears to have been no announcement, and the documentation has … Continue reading →

Posted in Environment, Investigative Reporting, Performance, Rants | Tagged , | 98 Comments

Windows Timer Resolution: Megawatts Wasted

Posted on July 8, 2013 by brucedawson

The default timer resolution on Windows is 15.6 ms – a timer interrupt 64 times a second. When programs increase the timer frequency they increase power consumption and harm battery life. They also waste more compute power than I would … Continue reading →

Posted in Performance, Rants | Tagged , | 161 Comments