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Dota 2 Radeon OpenGL vs. Vulkan Performance With Mesa Git, Linux 4.9-rc1

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  • #31
    Unfortunately I have an nvidia gtx 970 that works well but vulkan and DX12 are not a friend of this GPU. I would like if it was possible to make some test with unity labs vulkan because there is no where to download it.
    In addition I remember that at the beginning of the year mentioned that can have a benchmark vulkan for June or July that step?.
    Benchmark unigine vulkan?. If someone knows something great!

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    • #32
      Originally posted by verde View Post
      I cant understand why everyone is testing DX11 vs DX12 or OpenGL vs Vulkan on i7-4790K with extreme resolutions!

      The main advantage of DX12 and Vulkan is the less CPU overhead. And still everyone is trying to benchmark with GPU bottleneck scenarios.

      I have an outdated phenom X4 @ 3.8GHz and switching for example from DX11 to DX12 on Tomb Raider I was able to see fantastic difference in FPS..
      That's not true at all. Pure FUD. Just look at doom.

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      • #33
        Originally posted by debianxfce View Post

        Use a custom kernel, where you have removed all the unneeded drivers, then it will compile in 15 minutes. I have used a custom kernels a long time. Use make xconfig to configure the kernel. With dmesg and google search you will know your current hardware.
        or use this:
        https://wiki.archlinux.org/index.php/Modprobed-db

        If you do be sure to load all modules needed before (plug all the usbs you use etc...).


        I build a full kernel in about 15 minutes, so it's not worth to me.

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        • #34
          Originally posted by geearf View Post
          I build a full kernel in about 15 minutes, so it's not worth to me.
          If devs develop on that fast machine, but test on Atoms/Cats i guess world will be better place

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          • #35
            if I was working on the kernel, 15minutes would be way too much!

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            • #36
              The notion that OpenGL is slow or that Vulkan should blow it out of the water is completely wrong. Proper, modern OpenGL will match(and surpass due to driver maturity) the performance of Vulkan. OpenGL persistent memory maps get you very close to what Vulkan offers.

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              • #37
                Originally posted by geearf View Post

                or use this:
                https://wiki.archlinux.org/index.php/Modprobed-db

                If you do be sure to load all modules needed before (plug all the usbs you use etc...).


                I build a full kernel in about 15 minutes, so it's not worth to me.
                It would be useful if there were an easy way to include all USB drivers after using modprobed-db, because even though there would be some drivers that are not needed, there also wouldn't be a situation where there was a driver missing for some USB device*. I haven't compiled too many kernels in my life (just sometimes, usually with way too many drivers), so maybe there is, but I just don't know it.

                *well, ofc there aren't drivers for every single device in the world, but you know what I meant... all the USB devices Linux supports anyway.

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                • #38
                  Originally posted by peppercats View Post
                  Proper, modern OpenGL
                  Do you know anyone in the real world using it? I mean the whole "AZDO" thing. Seems to be very nice in theory, but game developers seem to view it as "too complicated".
                  For example: http://steamcommunity.com/app/465240...43389009395731

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                  • #39
                    Originally posted by geearf View Post
                    if I was working on the kernel, 15minutes would be way too much!
                    When you are working on kernel code you normally do incremental builds, where only the changed files get recompiled. That is much faster than a full kernel build, although building packages is still slower than I would like.

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                    • #40
                      Why are the results for the RX 480 that bad? With everything maxed out and the same Padoka PPA on Ubuntu 16.10 I see about 50-60 FPS in Vulkan- Dota 2 with a resolution of 2560x1440 instead of ~35 FPS. That's pretty inconsistent compared to the results in the article.
                      I'm quite sure that the early state Vulkan implementation is CPU bound in Dota 2 at about 50 to 60 FPS with a 4 GHz CPU(same for mine) so the result for the RX 480 should match the R9 285- result.

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