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The Disappointing Direction Of Linux Performance From 4.16 To 5.4 Kernels

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  • #81
    Originally posted by kuco View Post
    Am I missing something? Thats like -10% at max... in benchmarks (usually very extreme and specific). Who the f* cares?
    It makes quite a difference when you have multiple people running computations that run for days on end (my use case).

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    • #82
      Originally posted by MadCatX View Post
      If you are a business that actually has to care about hardware costs you probably won't be running Apache and MySQL on one machine in the first place.
      Please elaborate (do also note that birdie used Apache and MySQL as examples, the 40% decrease that he talks about [that would require a 66% increase in performance to compensate btw] is for system-call heavy applications which will include every single database and web server in existence).

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      • #83
        Originally posted by jrch2k8 View Post

        Those are probably not regression but mitigations hits and those won't go away until those problem are fixed in silicon in the future, in fact expect it to get even worse from now on since every time a new one is discovered it seems to be way worse than the previous ones, specially for Intel CPUs.
        You were saying?... Today's update
        https://www.intel.com/content/www/us...rocessors.html
        0-4% performance hit for the microcode fix.

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        • #84
          Originally posted by Paul Frederick View Post
          AMD hardware dissipates too much power.
          This has been correct only for one or two GPU generations back in 2014-15 I think. NVIDIA also had power hungry GPU generations in the past.

          Would you mind not posting this as a fact that is true now?

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          • #85
            Originally posted by F.Ultra View Post
            Please elaborate (do also note that birdie used Apache and MySQL as examples, the 40% decrease that he talks about [that would require a 66% increase in performance to compensate btw] is for system-call heavy applications which will include every single database and web server in existence).
            Given that a lot of websites are commonly developed with complete shit frameworks that make them haxxor magnets, or not very stable for the very least, it is common practice to keep them on separate systems or VMs, so you have a database server and a webserver.

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            • #86
              Originally posted by Paul Frederick View Post
              Nvidia has supported Linux for far longer than AMD has.
              Incorrect, NVIDIA has provided a blob driver for Linux for far longer.
              Proper Linux support is opensource drivers.

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              • #87
                Originally posted by saski View Post
                Ext4 on my Box is completely borked with 5.4! RootFs gets damaged while trying to mount:
                Code:
                EXT4-fs error (device nvme0n1p5): ext4_journal_check_start:61: Detected aborted journal
                EXT4-fs (nvme0n1p5): Remounting filesystem read-only
                EXT4-fs (nvme0n1p5): ext4_writepages: jbd2_start: 8191 pages, ino 262253; err -30
                That's some laudable effort by your FOSS environment to be true to the principles of freedom and be duly liberating to females, transgendered persons, religious minorities and people of colour. As you might be aware, The author of Ext4 has been accused by credible proponents of The Movement and The People as being a despicable rape apologist.

                I think you should be banned from these forums for even daring contemplating the usage of such an evil, horrible and not people-oriented piece of software.

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                • #88
                  Originally posted by starshipeleven View Post
                  Incorrect, NVIDIA has provided a blob driver for Linux for far longer.
                  Proper Linux support is opensource drivers.
                  In case you are unaware Nvidia licenses technology from others. It is not theirs to just give away either. So a binary driver is the absolute best they can do. 70 years beyond the death of an author that may change? Until then Nvidia is bound by copyright law just as much as anyone else is.

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                  • #89
                    Am I reading that correctly? atime is enabled?

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                    • #90
                      Originally posted by Paul Frederick View Post
                      So a binary driver is the absolute best they can do.
                      A binary driver still isn't "proper support" for a Linux system. Opensource mainline drivers are.

                      And I don't give a shit about your excuses, Intel, AMD, IBM, Broadcom and others have proper open drivers. Why NVIDIA is different?

                      Ah, because they don't care to do a good job at it, blobs are enough for pleb fanbois after all.

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