As it's been a few weeks since last running a Mesa open-source driver comparison on AMD Radeon graphics hardware, here are some fresh Mesa 20.1-devel benchmarks just a few weeks so far after the Mesa 20.0 branching. These latest Mesa 20.1-devel benchmarks were also run a second time when enabling the RADV ACO shader compiler back-end that's been a focus by Valve developers in enhancing the Linux gaming experience. These results are compared to Mesa 19.2.8 as a baseline for the open-source driver support offered out-of-the-box by Ubuntu 19.10.

With the release of Mesa 20.0 being imminent, here is a look at all of the new features for this first quarter update to the Mesa 3D stack for open-source OpenGL/Vulkan drivers.

Among many other Valve ACO back-end improvements for Mesa 20.0, one of the notable additions is this AMDGPU LLVM alternative now working for Radeon "Southern Islands" / GCN 1.0 graphics cards. With this, these original AMD GCN graphics cards may have some extra life out of Linux gaming boxes thanks to slightly higher performance some eight years after these graphics cards first launched in the Radeon HD 7000 series.

Yesterday we noted that the Linux kernel picked up a patch mitigating an Intel Gen9 graphics vulnerability. It didn't sound too bad at first but then seeing Ivy Bridge Gen7 and Haswell Gen7.5 graphics are also affected raised eyebrows especially with that requiring a much larger mitigation. Now in testing the performance impact, the current mitigation patches completely wreck the performance of Ivybridge/Haswell graphics performance.

Coming up next month already will mark four years since the release of Vulkan 1.0 but for today is an early surprise... Vulkan 1.2! The Khronos Group has prepared Vulkan 1.2 for release as the newest major update to this graphics and compute API. Several vendors also have Vulkan 1.2 support in tow.

As part of our year-end articles we already provided benchmarks looking at the Radeon OpenGL / Vulkan driver performance for 2019. That testing was done using Polaris and Vega given their GPU support prior to 2019, but for those wondering about the Radeon RX 5700 "Navi" performance for these GPUs that launched this summer, here are some end-of-year tests.

While the open-source Radeon Linux graphics stack has made some remarkable improvements this year not only from AMD but also the likes of Valve, unfortunately not as much can be said about the state of the open-source NVIDIA (Nouveau) driver. The Nouveau Linux graphics driver remains much slower than the proprietary driver, the hardware with the best support is several generations old, and due to the lack of signed firmware images there still isn't yet any open-source 3D for the Turing GPUs that have been shipping for months. But there may be hope in 2020.

For the latest of our year-end tests is a look at how the RadeonSI OpenGL driver and RADV Vulkan driver performance has evolved since the end of 2018 for Linux gaming.

The Mesa RADV Vulkan driver paired with the Valve-funded ACO compiler back-end is yielding an incredibly power competitor to AMD's own AMDVLK Vulkan driver that is derived from the source-code of their shared Windows Vulkan driver code-base. Here are some year-end benchmarks looking at the RADV vs. RADV ACO vs. AMDVLK Vulkan driver Linux gaming performance on Ubuntu with several generations of Radeon graphics hardware.

Mesa 19.3 could be released as soon as this week after being challenged by several delays over blocker bugs. This release should be making it out in the days ahead and is a fantastic Christmas gift to Linux desktop users and a big step-up for these OpenGL / Vulkan driver implementations as we end out 2019.

With AMD last week having enabled OpenGL 4.6 for their RadeonSI OpenGL Linux driver when enabling the NIR intermediate representation support, you may be wondering how using NIR is stacking up these days compared to the default TGSI route. Here are some benchmarks on Polaris, Vega, and Navi for comparing this driver option that ultimately allows OpenGL 4.6 to be flipped on.

It's been almost two months since last looking at the RADV ACO performance for this shader compiler back-end alternative to the AMDGPU LLVM code. ACO is making its debut in the upcoming Mesa 19.3 release while since the last round of testing have been more optimizations and fixes as well as getting the Navi/GFX10 support in place. In this article are some fresh benchmarks of the Vulkan RADV ACO support for not only Polaris and Vega but also the Radeon RX 5700 Navi graphics cards.

With Linux 5.4 due to be released this coming Sunday, 24 November, one of the big "winners" of this next kernel are AMD Radeon customers. Linux 5.4 brings support for new GPUs as well as better performance for existing graphics cards. Here are some fresh benchmarks of the performance wins as a result of the LRU bulk moves functionality.

With the upcoming Mesa 19.3 release one of the big new features is the "Zink" driver that provides a Mesa OpenGL implementation over Vulkan. This in theory allows for a generic OpenGL driver running over Vulkan hardware drivers, but there is a lot of work ahead before it's really a viable option.

For those curious about the performance of AMD Radeon open-source Linux gaming out-of-the-box on the newly released Ubuntu 19.10, here are those benchmarks compared to the Radeon driver state on Ubuntu 19.04. Additionally, there are benchmark results if manually upgrading your Ubuntu 19.10 installation to using the in-development Linux 5.4 kernel and Mesa 19.3 for the very newest AMD Linux driver support.

With picking up the Dell XPS 7390 with Intel Core i7-1065G7 for being able to deliver timely benchmarks from Intel's long-awaited 10nm+ Icelake generation, one of the first areas we have been testing is the Iris Plus "Gen 11" graphics performance. In this article are our initial Windows 10 vs. Linux graphics performance numbers for Ice Lake.

With the bit of a surprise this past week of AMD flipping LRU bulk moves back on as a "fix" for Linux 5.4 and this now having landed in Linux 5.4 Git, here are some preliminary benchmarks of this feature being enabled on the newest 5.4 kernel builds since Friday.

With the ACO shader compiler back-end merged for Mesa 19.3 as of mid-September and more improvements merged since then, it's now very easy to try out this alternative to AMD's longstanding AMDGPU LLVM compiler back-end. ACO, which is developed by Valve and their contractors outside of AMD, is looking quite good not only for quicker shader compilation (more punctual game load times) but also helping the performance of some Vulkan-powered games. Here are our latest ACO benchmarks.

A majority of our benchmarking of Intel's new Gallium3D OpenGL open-source driver is done with various "Gen9" graphics hardware given its proliferation and not yet having any Icelake Gen11 graphics hardware for Linux benchmarking. But with the Iris Gallium3D going back to supporting Broadwell "Gen8" graphics, here is a fresh look at how that oldest supported Intel hardware is working for this new Linux open-source OpenGL driver compared to the current default "i965" Intel OpenGL driver too.

Last month I did some fresh benchmarks of Intel's new open-source OpenGL Linux driver with Mesa 19.2 and those results were looking good as tested with a Core i9 9900K. Since then, more Intel Gallium3D driver improvements have landed for what will become Mesa 19.3 next quarter. In taking another look at their former/current and new OpenGL drivers, here are fresh benchmarks of the latest code using a Core i7 8700K desktop as well as a Core i7 8550U Dell XPS laptop.

Intel's new open-source OpenGL Linux driver "Iris" Gallium3D that has been in development for the past two years or so is getting ready to enter the limelight. Months ago they talked of plans to have it ready to become their default OpenGL driver by the end of the calendar year and with the state of Mesa 19.2 it's looking like that goal can be realized in time. With our new tests of this driver, in most games and other graphics applications the performance of this Gallium3D driver is now beyond that of their "classic" i965 Mesa driver.

With the AMD Radeon RX 5700 / RX 5700 XT Linux driver support maturing and the early optimizations/fixes and lingering feature work now calming down for the Linux 5.3 kernel and within RadeonSI/RADV for the imminent branching of Mesa 19.2, here is another look at how the Navi performance stands today compared to AMD Vega graphics cards and the high-end NVIDIA Pascal and Turing graphics cards.

Last week Valve formally announced their new Radeon shader compiler for AMD's open-source Linux graphics drivers. At this stage it's an out-of-tree solution providing generally faster performance to the Mesa RADV Vulkan driver over the current AMDGPU LLVM shader compiler but they also have ambitions of wiring it up to the RadeonSI OpenGL driver once mature too, assuming AMD's developers are willing to make use of this new compiler code. For those wondering about the Vulkan performance, here are our independent benchmarks of the current Mesa 19.2 RADV performance with the LLVM shader compiler compared to Valve's new "ACO" compiler back-end and then also using AMD's official AMDVLK reference driver that is also leveraging LLVM.

With last week having delivered fresh benchmarks of the mid-range NVIDIA/AMD graphics cards using the very latest drivers, particularly the in-development Linux 5.2 and Mesa 19.2 components with the Radeon graphics cards tested, here is a similar comparison when moving up the spectrum and focusing on the higher-end graphics cards. Here's a look at how the RX 590, RX Vega 56, RX Vega 64, and Radeon VII are performing with the newest open-source AMD driver code compared to the NVIDIA Turing line-up backed by their latest binary driver.

With the Linux 5.2 kernel a few weeks out from its stable release and now being in the middle of the Mesa 19.2 development cycle for the RADV Vulkan and RadeonSI OpenGL drivers, here are some fresh results looking at the latest open-source AMD Radeon Linux graphics driver stack compared to the latest NVIDIA proprietary graphics driver. In this article the focus is on the mid-range (Polaris) line-up against the NVIDIA competition while similar tests on the high-end are currently being carried out.

Recently I provided a fresh look at the Radeon VII Linux gaming performance (as well as comparing AMDVLK vs. RADV) now that I have a Vega 20 graphics card running great under Linux after the pre-production VII had failed. One of the other areas I was curious to see how the Linux performance evolved in the few months since the original Radeon VII Linux benchmarks was checking on the ROCm OpenCL performance. Here are those results up against NVIDIA with their proprietary Linux graphics driver.

As it's been a while since our last comparison of the two AMD Vulkan drivers for Linux gaming and with getting the Radeon VII situation straightened out here are some fresh benchmarks of the latest AMDVLK and RADV Vulkan drivers when running various Ubuntu gaming benchmarks with Radeon RX Vega 64 and Radeon VII graphics cards.

With Mesa 19.1 due to be released in the coming days as the quarterly update to this open-source OpenGL/Vulkan driver stack, here are some fresh benchmarks looking at how the current Intel (i965) OpenGL and ANV Vulkan drivers performance compare to that of the existing Mesa 19.0 stable series.

If all goes well, Mesa 19.1 could debut as soon as next week. Here is a look at how the AMD Radeon Polaris and Vega performance is looking with Mesa 19.1 relative to Mesa 19.0 stable.

With the recent release of Ubuntu 19.04, the new Intel OpenCL NEO compute stack is available in the archive as "intel-opencl-icd" for easy installation. The former Intel open-source OpenCL "Beignet" driver remains available too, for which we took it for a fun round of benchmarking comparison for seeing how these Intel OpenCL Linux drivers currently compete to just running on the CPU via POCL.