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Occasional Contributor
11 years ago

Disabling dynamic CPU frequency mode

When I run the Performance profiler on my C++ Builder XE4 executable, I get a dialog that says: Your processor supports the SpeedStep technology. We recommend that you disable the dynamic CPU f...
  • aqAnt's avatar
    aqAnt
    11 years ago


    Hi Kathleen,



    You should be able to disable the SpeedStep technology (or PowerNow! for AMD CPUs) in your BIOS, so please refer to your motherboard's documentation. If you disable the dynamic CPU frequency mode, your CPUs will consume more power because their clock speed won't be reduced dynamically. You can ignore the warning message, but the Performance profiler's results may be incorrect in this case. Please see the Counters Overview article.


aqAnt's avatar
aqAnt
SmartBear Alumni (Retired)
11 years ago


Hi Kathleen,



You should be able to disable the SpeedStep technology (or PowerNow! for AMD CPUs) in your BIOS, so please refer to your motherboard's documentation. If you disable the dynamic CPU frequency mode, your CPUs will consume more power because their clock speed won't be reduced dynamically. You can ignore the warning message, but the Performance profiler's results may be incorrect in this case. Please see the Counters Overview article.