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AMD Kaveri's Open Radeon Performance Now Multiple Times Faster

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  • AMD Kaveri's Open Radeon Performance Now Multiple Times Faster

    Phoronix: AMD Kaveri's Open Radeon Performance Now Multiple Times Faster

    Earlier this month I shared some basic OpenGL benchmarks between AMD's Kaveri APU on the Catalyst driver and the open-source RadeonSI Gallium3D driver. Now that more time has passed I'm back with another round of Linux graphics driver testing on the AMD A10-7850K, this time looking at the impact when forcing Dynamic Power Management and toggling color tiling for maximum performance.

    http://www.phoronix.com/vr.php?view=19776

  • #2
    It's interesting to see color tiling make such a big difference in a lot of those tests. I hadn't realized it was that important.

    It's too bad they have to just wait until most people are using new versions of everything before they can turn it on. Isn't there a way to check versioning and default it to ON if all the right software is present, and OFF if someone has an old libdrm or kernel? Or whatever is holding it back?

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    • #3
      So um, does this color tiling work on other GPUS, and how does one enable it?

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      • #4
        Originally posted by Dukenukemx View Post
        So um, does this color tiling work on other GPUS, and how does one enable it?
        it's an xorg.conf setting. It's enabled by default for quite a while on most gpus.

        Option "ColorTiling" "on"
        Option "ColorTiling2D" "on"
        Last edited by smitty3268; 01-28-2014, 01:25 AM.

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        • #5
          Originally posted by phoronix View Post
          Phoronix: AMD Kaveri's Open Radeon Performance Now Multiple Times Faster

          Earlier this month I shared some basic OpenGL benchmarks between AMD's Kaveri APU on the Catalyst driver and the open-source RadeonSI Gallium3D driver. Now that more time has passed I'm back with another round of Linux graphics driver testing on the AMD A10-7850K, this time looking at the impact when forcing Dynamic Power Management and toggling color tiling for maximum performance.

          http://www.phoronix.com/vr.php?view=19776
          I see that you have (in this test) the same motherboard that I have (Gigabyte F2A88XM-D3H). I am having a lot of difficulties with this motherboard's BIOS.
          Can you, please, try some things to confirm those issues for me?

          Issues are:

          Firts, CPU is at 100% load in BIOS (version F4 and F5). It reaches higher temperatures than in OS during gaming.

          Second, when I enable X.M.P. 2400 (I have 2x4 GB Kingstone HyperX Beast 2400 MHz CL11 RAM), OS won't boot. It only works with X.M.P. 1600 and 2133. I saw in other test that you also have (or had, at least) the same RAM.

          And, third, the worst one, is that I can not change any values in BIOS (like 2/3). For example, I can not change latency for RAM. I have set it to "Manual" or "Advance manual" instead of "Auto", and those values turn blue (from gray) so I should be able to change them now, but when I press "Enter" nothing hapens (no options apear, no drop-down menu, nothing). And that is the issue with like 2/3 of BIOS setttings/values.

          I have tried F4 and F5. They are the same. I have also adressed this issues to Gigabyte, but still no reply. I haven't been able to find anyone that owns the same motherboard to ask them to verify this.

          I would really appreciate your help.
          Last edited by Слободан; 01-28-2014, 02:44 AM.

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          • #6
            Hi,

            I didn't check Kaveri on open source drivers yet, but with Catalyst 13.300 it works fine (I patched drivers and it works with 3.13). I have Asrock FM2A88M Extreme4+ (with the latest v2.0 UEFI) with Kingston 2400MHz and all works fine (memory works in dual channel mode at 2400MHz via XMP profile). I use Ubuntu 14.04 x64. Today I'll try to install PTS and submit some test results, anyway just in 1280x1024.

            Cheers,

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            • #7
              Originally posted by Слободан View Post
              Second, when I enable X.M.P. 2400 (I have 2x4 GB Kingstone HyperX Beast 2400 MHz CL11 RAM), OS won't boot. It only works with X.M.P. 1600 and 2133. I saw in other test that you also have (or had, at least) the same RAM.
              I don't own your board but as general rule: Raise your RAM voltage and if it does not help you could try rasing north bridge voltage, too.

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              • #8
                Michael, there is no Doom3 graph in the article.

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                • #9
                  "Firts, CPU is at 100% load in BIOS (version F4 and F5). It reaches higher temperatures than in OS during gaming."

                  AFAIK, this is normal in all AMD APUs from families Trinity, Richland and Kavery.

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                  • #10
                    Originally posted by smitty3268 View Post
                    It's interesting to see color tiling make such a big difference in a lot of those tests. I hadn't realized it was that important.
                    It should be especially important for APUs because they deal with much slower memory access than discrete GPUs, so reducing memory transfers is valuable.

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                    • #11
                      Wow, that performance is much better than I expected! I just assumed that the previous FLOSS Kaveri tests had dpm enabled, but I'm glad that I was mistaken. I plan to upgrade my a10-5800k as soon as Kaveri outperforms it, and I guess I won't have long to wait after all.

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                      • #12
                        Originally posted by Drago View Post
                        Michael, there is no Doom3 graph in the article.
                        Ah I wasn't the only one. It says Doom 3 for the open arena graph.

                        Glad to see such high fps for kaveri. I ordered a 7700k and can't wait to try it out

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                        • #13
                          I plan to upgrade my a10-5800k as soon as Kaveri outperforms it
                          You're not even waiting for a major die shrink? The power usage of the high end Kaveri parts are on par with Trinity still, and if you want more performance why not just build a rig with a discrete cpu + gpu? The only real perk of Kaveri is significant theoretical gpu performance over its predecessors, but radeonSI hinders that a bit still (the recent charts put a 270x on par with a 6950 when it should be running upwards of 30 - 50% faster in terms of raw hardware). But then why not just stick a 260x in your Trinity machine?

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                          • #14
                            Well then perhaps I'd like to see a difference between AMD A10-5800K and AMD A10-7850K with the DPM and color tiling turned on just to see what it's like.

                            And besides, I don't think there are any discrete CPUs that are available with FM2 and FM2+ sockets.

                            I'll be waiting for AMD Carrizo APU which will debut next year as I'm currently holding on to AMD A10-5700. Right now, Kaveri does bring in some good gaming performance which I like. I do play Portal using my Linux 3.13 kernel and Mesa 10 and I get about 60 FPS and it does go down to 30 sometimes. My resolution is 1920x1080. All the graphics settings are set to high with no AA in my 47" TV.

                            And by the way, how do I know if color tiling is on? I don't have xorg.conf in /etc/X11.

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                            • #15
                              Originally posted by Kemosabe View Post
                              I don't own your board but as general rule: Raise your RAM voltage and if it does not help you could try rasing north bridge voltage, too.
                              I have established that one memory module is "faulty". It will not work on 2400 MHz while other would.
                              The problem is that I can not change the voltage or latecy or practicly anything. It does not give me any options when I click "Enter" on it. It is a BIOS bug, that I would like to be cofirmed by someone that own this board.



                              P.S. Sorry for the offtopic.

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