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Fedora's Mesa Drivers Have Been Running Slower As They Were Accidentally Debug Builds

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  • Fedora's Mesa Drivers Have Been Running Slower As They Were Accidentally Debug Builds

    Phoronix: Fedora's Mesa Drivers Have Been Running Slower As They Were Accidentally Debug Builds

    It turns out Fedora 29's Mesa 19.0 packages have recently been shipping in a "debug" mode since they switched to using the Meson build system and that has been leading to slower performance...

    http://www.phoronix.com/scan.php?pag...on-Debug-Build

  • #2
    Lol. That's one of those mistakes I've made around 4:30 in the afternoon before.

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    • #3
      Not to be pedantic, but F29 ships with Mesa 18, while Mesa 19 will be in F30

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      • #4
        How long has Mesa been packaged like that on F29?

        I noticed a huge performance issue when using R600_DEBUG=nir on F29 days ago, but not on openSUSE TW; just figured I was doing something to cause the problem and didn't report it as an actual bug report, but posted it on Reddit just to see if anyone else was experiencing it: https://old.reddit.com/r/Fedora/comm..._compile_time/

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        • #5
          Originally posted by r1348 View Post
          Not to be pedantic, but F29 ships with Mesa 18, while Mesa 19 will be in F30
          That's crucial subject matter and not pedantic at all. Pedantic would be pointing out that this sentence needs some grammatical help:
          Since yesterday evening, an updates Mesa package for Fedora 29/30 are now available for testing and should soon be rolling out as stable updates.
          We'll save that honor for tildearrow though.

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          • #6
            It's a conspiracy by Red Hat and Microsoft to prevent the Linux desktop I swear.

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            • #7
              Originally posted by skeevy420 View Post
              Lol. That's one of those mistakes I've made around 4:30 in the afternoon before.
              More like 4:20

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              • #8
                Originally posted by yossarianuk View Post

                More like 4:20
                That's when I was getting high. 4:28 is when I'd get back to the computer. 4:30 is when I'd make the mistake.

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                • #9
                  FeDOHa 29...... ; )

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                  • #10
                    Not only Fedora, but Debian and Ubuntu too Only recently (after bugs was filled) they disabled it:

                    * rules: Add meson option -Db_ndebug=true to disable assertions (Related bugs: #920462, #922162, #922346).
                    https://metadata.ftp-master.debian.o....4-2_changelog

                    I guess also some of Ubuntu PPAs you were using was affected too... oibaf i think

                    That isn't even a bug, just optional debug feature enabled that affects perf a bit... kind of 5% maybe, was enabled for 3 months for rollers so who cares
                    Last edited by dungeon; 03-26-2019, 10:39 AM.

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