The Ongoing Work Of Nouveau Power Management / Re-Clocking
Written by Michael Larabel in Nouveau on 24 September 2016 at 10:00 AM EDT. 2 Comments
NOUVEAU --
In addition to the Nouveau status update talk at XDC2016, Nouveau contributor Karol Herbst had carried out an additional presentation on Friday dedicated to this open-source NVIDIA driver's work on power management and re-clocking.

In the presentation he covered how the power sensors support will become "useful" in Linux 4.9, how clock gating can yield up to 25% power savings, and the ongoing work around GPU Boost. As covered previously, Nouveau will partially support GPU Boost with the Linux 4.9 kernel. There are also various other re-clocking efforts still ongoing with the project.

For some of my past testing and coverage of the recent Nouveau Boost work, see Linux 4.9 To Begin Landing Nouveau "Boost" Support For Faster Performance and Nouveau With Boost Patches Are Now Competitive To Radeon/AMDGPU With RadeonSI.

Karol's XDC2016 power management presentation can be viewed in PDF form. Those wishing to watch the presentation can find the stream embedded below (jump to the 1:00 mark for the beginning of it).

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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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