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AMDGPU Submits LRU Bulk Moves Support As A Linux 5.4 "Fix" For Better Performance

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  • ntropy
    replied
    For whats it worth: I have only had performance and features increases with the amdgpu driver. Latest DC patches boosted my battery life by another 2 hours on a Vega 8 APU. I cant say I am having troubles on Raven Ridge and Vega.
    Of course navi is a different story.

    Leave a comment:


  • dimko
    replied
    Originally posted by tildearrow View Post

    This. Stability is paramount, but apparently open-source developers don't think so.

    (Even stable versions aren't that stable)
    Since I was directly affected, I can also report, bug fixed. i don't have this issue no more. Patch will go upstream shortly.

    Leave a comment:


  • tildearrow
    replied
    Originally posted by dwagner View Post
    Looking at the never decreasing list of stability issues reported in the tracker I wonder how all those performance tweaks are supposed to be relevant at this time. In the part of the IT industry I am working in, no customer would accept anything nearly as unstable as the amdgpu driver, and at its current state, every man-hour invested would be on fixing it, rather than performance optimizations.
    This. Stability is paramount, but apparently open-source developers don't think so.

    (Even stable versions aren't that stable)

    Leave a comment:


  • dimko
    replied
    5700XT, 5.4-r1

    Xort starts
    Games start. work fine in non fullscreen mode.

    Those fullscreen eith runtime hang and hang Xorg with it. Or hang on exit and hang Xorg with it.

    Leave a comment:


  • dwagner
    replied
    Looking at the never decreasing list of stability issues reported in the tracker I wonder how all those performance tweaks are supposed to be relevant at this time. In the part of the IT industry I am working in, no customer would accept anything nearly as unstable as the amdgpu driver, and at its current state, every man-hour invested would be on fixing it, rather than performance optimizations.

    Leave a comment:


  • skeevy420
    replied
    Originally posted by tildearrow View Post

    What? It's a huge patchset, so don't expect it to work.

    I remember that during a time back in 2017 when I had to use AMDGPU-PRO to run my Vega card I used the DKMS module that came bundled with it, and it worked well for around a year.
    Neither did I. Granted that all I did was a squash to patch and ran with it.

    Leave a comment:


  • Nille_kungen
    replied
    The reason i see for porting it to Linux 5.4 is that 5.4 will be an longterm supported kernel.

    Leave a comment:


  • tildearrow
    replied
    Originally posted by skeevy420 View Post
    All of that does not patch cleanly into 5.2 even after removing all non-existent Navi specific stuff

    I figure that y'all figure that I'd try that
    What? It's a huge patchset, so don't expect it to work.

    I remember that during a time back in 2017 when I had to use AMDGPU-PRO to run my Vega card I used the DKMS module that came bundled with it, and it worked well for around a year.

    Leave a comment:


  • skeevy420
    replied
    All of that does not patch cleanly into 5.2 even after removing all non-existent Navi specific stuff

    I figure that y'all figure that I'd try that

    Leave a comment:


  • AMDGPU Submits LRU Bulk Moves Support As A Linux 5.4 "Fix" For Better Performance

    Phoronix: AMDGPU Submits LRU Bulk Moves Support As A Linux 5.4 "Fix" For Better Performance

    While initially queued as a work-in-progress feature for Linux 5.5, AMD has now submitted a batch of "fixes" to the current Linux 5.4 cycle that include enabling of the LRU bulk moves performance-boosting functionality...

    http://www.phoronix.com/scan.php?pag...-Moves-5.4-Fix
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