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56 Patches Volleyed For Improving Intel Linux Graphics Driver Scheduling

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  • 56 Patches Volleyed For Improving Intel Linux Graphics Driver Scheduling

    Phoronix: 56 Patches Volleyed For Improving Intel Linux Graphics Driver Scheduling

    Longtime Intel open-source graphics driver developer Chris Wilson sent out a set of 56 patches today working to improve their kernel graphics driver's scheduling performance...

    http://www.phoronix.com/scan.php?pag...ntel-GPU-Sched

  • #2
    "prevented from entering higher C-states"

    Should that be lower instead?

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    • #3
      Originally posted by sandy8925 View Post
      "prevented from entering higher C-states"

      Should that be lower instead?
      Higher C states indicate higher power savings. For example, C0 is completely active without power-gating while C6 and C7 have non-retention modes to shut down silicon that isn't used while idle. If you're on Intel, you can use tools like i7z to monitor what percent each C-state is used during a time sample, per core.

      As a note on these patches, I'm super excited about what type of performance we'll get. Having a fair, low-latency render scheduler is a good way to get the most out of an already low bandwidth GPU. I hope AMD is taking a look and implements something similar for their Radeon GPUs if they haven't already.

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