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Display Drivers

The Real Need For Nouveau Power Management

We have already published a look at the Fedora 13 Beta, delivered ATI Radeon benchmarks atop Fedora 13 Beta, and have other articles on the way covering this new Fedora release, while in this article we are investigating Nouveau's power performance using this newest Fedora release. If you are a mobile user planning to use the Nouveau stack right now, or you care the least bit about energy savings with your desktop, its power consumption alone may rule this open-source driver out as even a current possibility.
15 April 2010 - 5 Comments

Taking A Hit With ATI Graphics In Fedora 13 Beta

With the release of Fedora 13 Beta earlier this week we have been testing out this Red Hat update on a few of our test systems. One area of interest to us has been to see how the open-source graphics are performing with Fedora 13, since after all Red Hat is known to always ship the very latest DRM/Mesa/DDX bits in Fedora due to all of their upstream involvement and this week is also the Fedora 13 Graphics Test Week. We already looked at the direction of Intel graphics with Fedora 13, so our next target was testing out the open-source ATI graphics with this Linux desktop release that is codenamed Goddard. In this article, we have ATI R500 tests using their open-source driver stack as we test out the OpenGL performance and the power consumption, compared to Fedora 12.
15 April 2010 - 5 Comments

ATI's Gallium3D Driver Is Still Playing Catch-Up

Yesterday we delivered benchmarks showing how the open-source ATI Radeon graphics driver stack in Ubuntu 10.04 is comparing to older releases of the proprietary ATI Catalyst Linux driver. Sadly, the latest open-source ATI driver still is no match even for a two or four-year-old proprietary driver from ATI/AMD, but that is with the classic Mesa DRI driver. To yesterday's results we have now added in our results from ATI's Gallium3D (R300g) driver using a Mesa 7.9-devel Git snapshot from yesterday to see how this runs against the older Catalyst drivers.
10 April 2010 - 38 Comments

R500 Mesa Is Still No Match To An Old Catalyst Driver

We are in the process of conducting a set of tests looking at how the performance of Ubuntu Linux has evolved through their Long-Term Support (LTS) releases beginning with their first 6.06 "Dapper Drake" version followed by Ubuntu 8.04 "Hardy Heron", and then the Ubuntu 10.04 "Lucid Lynx" release that will be released by month's end. These benchmarks will look at how the performance of Ubuntu Linux has changed over the past four years, but first we deviated from our original plans to get a look at how the current open-source ATI R500 graphics driver in Ubuntu 10.04 provided by the Mesa stack performs against older proprietary ATI Catalyst drivers.
9 April 2010 - 72 Comments

Catalyst vs. Mesa Performance With Ubuntu 10.04

Over the past two weeks, we have published a variety of articles looking at different aspects of the open-source Linux graphics stack. These articles range from comparing the Gallium3D and classic Mesa performance to comparing the kernel mode-setting and user-space mode-setting performance. Today we are continuing with this interesting Linux graphics coverage by publishing benchmarks comparing the performance of the Radeon Mesa DRI graphics driver to AMD's Catalyst 10.4 proprietary driver. Is the open-source driver finally catching up to AMD's highly optimized driver? Continue reading to find out.
29 March 2010 - 39 Comments

NVIDIA Drops Their Open-Source Driver, Refers Users To VESA

NVIDIA's open-source Linux efforts as it concerns their GPU support have historically been minimal. The xf86-video-nv driver has been around that provides very basic 2D acceleration and a crippled set of features besides that (no proper RandR 1.2/1.3, KMS, power management, etc) while the code has also been obfuscated to try to protect their intellectual property. However, NVIDIA has decided to deprecate this open-source driver of theirs. No, NVIDIA is not working on a new driver. No, NVIDIA is not going to support the Nouveau project. Instead, NVIDIA now just recommends its users use the X.Org VESA driver to get to NVIDIA.com when installing Linux so they can install their proprietary driver.
26 March 2010 - 111 Comments

Intel KMS vs. UMS With Ubuntu 10.04

Last week we published benchmarks looking at the ATI Radeon KMS vs. UMS performance and found the user-space mode-setting support with the ATI driver (that is also limited to using DRI1 with these older code-paths) to perform significantly faster than the newer kernel mode-setting routes in most instances. To see how the performance difference is on the Intel side between the kernel mode-setting and user-space mode-setting implementations we ran a set of benchmarks on this side as well using Ubuntu 10.04.
26 March 2010 - 22 Comments

Benchmarking Recent Mesa 3D Releases

With Mesa 7.8 arriving this month, we took the time to benchmark a few recent releases of the Mesa 3D stack with the Radeon DRI driver to see how the OpenGL performance has changed -- if at all -- over the past few months. In this article are our R500 Mesa benchmarks from the Mesa 7.6, 7.7, 7.8-rc1, and 7.9-devel releases.
25 March 2010 - 8 Comments

Testing AMD's New FirePro Linux Driver

Earlier this month AMD rolled out a new workstation graphics card driver, which is effectively the same Catalyst driver used by the consumer-oriented Radeon graphics cards but with greater testing and certification for the ATI workstation offerings. The press release announcing this new driver was titled "Application Performance Increases By Up To 20 Percent with Latest ATI FirePro Graphics Driver," so we decided to see if this proprietary driver really lives up to its claims under Linux.
23 March 2010 - 7 Comments

Radeon 3D Performance: Gallium3D vs. Classic Mesa

Gallium3D, the graphics driver architecture started by Tungsten Graphics to overhaul the hardware driver support in Mesa, has been around for a few years but it is finally getting close to appearing on more desktop systems. Now that the Nouveau DRM code is in the mainline Linux kernel and its main 3D driver is Gallium3D-based, we will hopefully be seeing that adopted by more distributions soon -- it's already being flipped on with Fedora 13. On the ATI side the "r300g" Gallium3D driver that provides Gallium3D support for the R300-R500 (up through the Radeon X1000 series) is also being battered into surprisingly good shape. To see where the Radeon Gallium3D support is at for these older ATI graphics cards we have run a set of tests comparing the OpenGL performance under the latest Mesa 7.9-devel code with the Gallium3D driver to running the classic Mesa DRI driver.
22 March 2010 - 73 Comments

655 display drivers articles published on Phoronix.
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