CPU C States and latency

  • Hi there

    I have an Intel i3-8100 quad core CPU and would like to ensure that system responsiveness is maximized.

    Two "markers" for gauging success in this regard could be:-

    1. Lowering the Gateway RTT to the absolute minimum possible, and

    2. also to keep to the absolute minimum the NTP offset delta as reported by the OS/ntp daemon.

    I have currently turned off all C states and am about to lower the dynamic vcore (to save a little power) by around -0.140 mV or so.

    Do you see any issues with this approach and can you comment on additional methods to lower the aforementioned markers?

    Thank-you in advance


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