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AMD Radeon RX 480 On Linux

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  • Originally posted by arunbupathy View Post
    I was very worried when I read the windows reviews, coz it seems that they haven't really improved the efficiency beyond what finfet brings to the table. But these linux results put me at slight ease. At least, in games and benchmarks where things are behaving as they should, the RX 480 seems to soar past the GTX 980 pretty easily. Sometimes, it's quite close to the 980Ti even. May be it's a sign that there is room for improvement on the side of Windows where the majority of the prospective buyers are? It's quite a good card for the price if looking at linux performance. The only issue that's bothering me even more than its performance is the fact that the card is drawing more power from the pcie bus. It's not really an issue AMD needs at this time.
    I don't why people are suddenly worried about this. I remember seeing an old GTX960 review where it showed that the card also exceeded PCI power draw standards. I doubt many cards stay within spec. All of a sudden this turns into an issue.

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    • Originally posted by Melcar View Post

      I don't why people are suddenly worried about this. I remember seeing an old GTX960 review where it showed that the card also exceeded PCI power draw standards. I doubt many cards stay within spec. All of a sudden this turns into an issue.
      The problem here is probably more that this card (RX460) is constantly using more than 75W on the PCIe socket, while some 960 and some 970 (mostly customs?) only had peaks of over 75W. Though it could maybe be a problem of the so called gaming motherboards (these with more bling bling for OC). Atleast that is, what I have read.

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      • Originally posted by gururise View Post
        A very useful OpenCL test that is immediately useful to many users would be bitcoin hash rate. I can't imagine it would be too hard to automate such a test in PTS.
        I thought mining has been a net loss on GPUs for a while as soon as you factor in electricity costs. Has that changed?​​​

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        • Originally posted by Michael View Post
          I have more OpenCL tests coming.
          Good to know. Still, I guess you missed or ignored my point: the current article's OpenCL section is broken/flawed. Moreover, churning out benchmarks with text that repeats what the plots show is hardly "reporting", it's more akin to content mill activities.

          I think the Linux community deserves _more_ quality over quantity. At least some in-depth stuff not just bar plots after bar plots often showing results of ill-conceived tests.

          Don't get me wring, rhe technical work is appreciated, but very often I can learn as much (or more) from looking at the phoronix database alone as clicking through articles.
          Last edited by pszilard; 30 June 2016, 04:09 PM.

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          • Originally posted by pszilard View Post
            Good to know. Still, I guess you missed or ignored my point: the current article's OpenCL section is broken/flawed.
            I may have missed your original point as well (I didn't knowingly ignore it) - what do you think is broken/flawed about the current OpenCL testing other than the need for additional/different tests ?
            Test signature

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            • Michael, can you post some more details how you got AMDGPU PRO working with RX 480? I tried today on Linux Mint 18 Cinnamon (beta so far), but after driver 16.30 installed successfully, I am not able to render desktop environment properly (no text, no icons). Interestingly enough, Steam app and its pop-ups work flawlessly.

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              • Originally posted by ixxxo View Post
                Michael, can you post some more details how you got AMDGPU PRO working with RX 480? I tried today on Linux Mint 18 Cinnamon (beta so far), but after driver 16.30 installed successfully, I am not able to render desktop environment properly (no text, no icons). Interestingly enough, Steam app and its pop-ups work flawlessly.
                I'm using Ubuntu 16.04 with it and I haven't had any problems when running on DisplayPort, but I did have problems with HDMI, but it doesn't seem like we are having the same problem.

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                • @Michael: thanks for this elaborate test!
                  bridgman, agd5f, etc (the whole team): thanks for making this happen!
                  It's the greatest recent AMD launch by far, imho. Sure, there is more to do but the initial state of support is very, very nice.
                  AMD introduced the new way to go with the Linux stacks and delivered in time. I think we're looking at a great future for free, easy and high performing Linux graphics support.

                  Now I only wished all the development would happen more open in the public. Sure, the code is open, there is a lot on freedesktop.org, in irc channels, etc. etc. but I wish the components would move to some platform like github like the ROC ones did. Issue reports, feedback, feature requests, commits, pull requests, the code itself, comments... all together at one place, detailed but clearly arranged. Also, a public roadmap would be nice to see what is actually being worked on, allowing to estimate a rough date, too.
                  I think a more "open" manner might also attract more community devs.

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                  • Originally posted by LinuxID10T View Post

                    I'm using Ubuntu 16.04 with it and I haven't had any problems when running on DisplayPort, but I did have problems with HDMI, but it doesn't seem like we are having the same problem.
                    Hm, I am using HDMI actually, will try to get DP cable to test. Wat were your issues? By the way, currently running on amdgpu + padoka ppa, I can start games but performance is super low (like 1 FPS already in menu, tested 2 games).

                    EDIT: Seems it was OS-related issue, I installed Mint 18 Mate and no issue. Btw one more guy reported same issue with amdgpu pro + R9 390, so might be issue of that particular Cinnamon edition of Mint or cinnamon itself. No problem with HDMI by the way.
                    Last edited by ixxxo; 04 July 2016, 03:48 AM.

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                    • Originally posted by dungeon View Post

                      Not comparison, but you have couple 1080p numbers here:

                      http://www.phoronix.com/scan.php?pag...ide-By-Side-GL
                      now that's a sorry excuse for 1080p tests ... not usable without a lot of back and forth comparisons ...

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