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Further Testing Shows More Hope For ATI Gallium3D

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  • #31
    I really wish Michael would do some tests with more modern engines. Nexuiz with GLSL, Doom3, etc. They run fine on the r300g driver as long as you install the dxtc compression library, and would test a completely different portion of the driver than these old engines do.

    Really great results here, though. Thanks Marek, for all the work you've been putting in to this (and all other devs as well). It's starting to pay off.

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    • #32
      Thank you to all the devs! Great work!

      I think it has been mentioned before, but CPU utilization would also be helpful along with the GPU driver benchmarks.

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      • #33
        Very VERY nice!
        I might frame the chart where the Gallium3D driver beats Catalyst...

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        • #34
          I just love the growing green on the Radeon feature matrix.
          And that benchmark was a treat for my eyes, though I missed a few things, but this is a good start. I guess that all the experience from R300g will help also in R600g and make development there smoother. Even with the new HW features.
          And then, finally we just need the video playback acceleration on UVD chips if that is legally possible. Even if it would not be, I wouldn't care and use it like I do with libdvdcss.
          And someday maybe a new HW will be out and FOSS driver support might be on the release day (as long as there's not a huge overhaul in HW arch).

          Thanks devs, remember me to invite you to a drink of your choice if you ever come to .de

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          • #35
            Well this certainly brightened my day. So damn awesome and impressive. Good job everyone, we all truly appreciate it.

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            • #36
              What a great idea!

              Originally posted by Adarion View Post
              I just love the growing green on the Radeon feature matrix.
              And that benchmark was a treat for my eyes, though I missed a few things, but this is a good start.

              Thanks devs, remember me to invite you to a drink of your choice if you ever come to .de
              Right! That's just brilliant! How comes I haven't thought about that? I suppose I could arrange inviting Marek Olšįk who seems responsible for a good deal of these optimizations for a bunch of nice cold Pilsners (if that's what he likes, of course) easily enough - assuming he's really Czech as the name suggests. How about trying to do something like that with whatever FOSS developers living in our immediate vicinity? You know - like throwing a huge party in their honor whenever the occasion merits it…

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              • #37
                Just one thing to the developers. Thank you! For your work, your time, your stamina.

                I havent read about it yet, but i would be so happy to get my power consumption on my notebook reduced. Is there work in progress?

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                • #38
                  Originally posted by Danny View Post
                  Thank you to all the devs! Great work!

                  I think it has been mentioned before, but CPU utilization would also be helpful along with the GPU driver benchmarks.
                  I wonder the same thing. I have been under the impression that all of the free drivers suffer from CPU bottlenecks.

                  The consistent lack of CPU results really makes me worry. Perhaps someone with more experience could speak about load when running PTS and free drivers.

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                  • #39
                    hell, yeah ! this is why i bought this X2300/RV515 laptop 2 years ago, good freaking OSS drivers !

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                    • #40
                      WOW!
                      this is an awesome job.
                      cant say how impressed i am!

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                      • #41
                        Originally posted by H.i.M View Post
                        I havent read about it yet, but i would be so happy to get my power consumption on my notebook reduced. Is there work in progress?
                        The
                        http://wiki.x.org/wiki/RadeonFeature
                        shows that it is quite complete, though one of the devs told us that PM is complicated since it reaches in every other function (flickering problems when reclocking memory and so on). But I guess you should give it a shot.

                        I should test it the coming days. At the moment I still have fglrx on my HD3870, but I can compare whole system power usage the next days with the free driver set.
                        (b.t.w. Catalyst on WXP vs. Linux fglrx shows all the time about 5W more usage on Windows (whole system), I wonder where that comes from (might also be background programs))


                        CPU-utilization during tests
                        Vote +1 from me!

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                        • #42
                          Originally posted by glisse View Post
                          llvm is not adapted to GPU and i don't see it being usefull. That being said i am pretty sure shader optimization won't improve much perf in benchmarks from this article.
                          If shaders (particularly fragment shaders) aren't a problem, then how come raising the resolution makes it perfom worse (comparing to Catalyst)? My only guess if buffer management and tiling support, but could these make such a difference?

                          My reasoning behind this is that the CPU should be idling more when you raise the render resolution, so it's probably not the bottleneck, but I don't know much about driver programming and could be wrong.

                          Also, Michael, on the last page of the article you say:
                          "The open-source Catalyst driver, however, still had an average frame-rate above 100 FPS and this newest was 75% the speed of the proprietary code from early 2009."
                          Which is probably wrong

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                          • #43
                            Originally posted by Adarion View Post
                            The
                            http://wiki.x.org/wiki/RadeonFeature
                            shows that it is quite complete, though one of the devs told us that PM is complicated since it reaches in every other function (flickering problems when reclocking memory and so on). But I guess you should give it a shot.
                            Are there alle green marked features available in Gallium 3D? Cause the headline says that this matrix is for: "radeon (xf86-video-ati) for 2D; radeon, r200, r300, r600 Mesa and r300, r600 Gallium drivers"

                            In the matrix is no differentiation between them.

                            It would be nice to see tests about power-consumption with different chips on Phoronix. Specifically I am intrested in Thinkpad series T4* and T6*.

                            Thanks,
                            H.i.M

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                            • #44
                              Originally posted by H.i.M View Post
                              Are there alle green marked features available in Gallium 3D? Cause the headline says that this matrix is for: "radeon (xf86-video-ati) for 2D; radeon, r200, r300, r600 Mesa and r300, r600 Gallium drivers"
                              The gallium3d/classic split is only relevant for the 3d part of the graph, and r600c and r600g are basically at feature parity, so it all applies to r600g.

                              Powersaving is in the kernel. It works well, but is not as aggressive as the binary driver.

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                              • #45
                                This is really great! The dev's are really great.

                                THANKS!

                                And thanks to Michael too for the work and keep us informed.

                                THANKS!

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