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Graphics/Benchmarks

Weston's IVI Shell Sees New Version

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Graphics/Benchmarks

There hasn't been much in the way of exciting Wayland/Weston developments to report on this month, but its development is continuing in its usual manner. Out today is another version of the Weston IVI Shell as it still works to being accepted upstream.

The weston-ivi-shell is a reference shell for Wayland's Weston compositor running on In-Vehicle Infotainment (IVI) systems. The Weston-IVI work dates back many months and today's revision to the shell marks its eighth public version as it still seeks to be accepted into mainline Weston.

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NVIDIA Posts Tegra Gallium3D Patch For K1+ Support

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Graphics/Benchmarks

NVIDIA has out a wonderful Thanksgiving surprise... New Mesa code for Tegra K1 GPUs and newer!

While NVIDIA has already pushed Nouveau Gallium3D support patches for Tegra K1 after providing Tegra K1 DRM/KMS kernel driver support, there's more code coming out today.

NVIDIA's Thierry Reding sent out a nearly two thousand line Mesa patch that introduces a new Tegra Gallium3D driver. This "Tegra" code at gallium/drivers though isn't a complete 3D driver -- the Tegra K1+ still use the NVIDIA NVC0 Gallium3D driver for the actual rendering. This patch sets up a screen and forwards on the work to the Nouveau Gallium3D driver given that the Tegra K1 uses a Kepler-derived graphics processor. This work is needed since the GPU and display are exposed as separate devices by this NVIDIA ARM SoC.

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Apple OS X 10.10 vs. Ubuntu 14.10 Performance

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Graphics/Benchmarks

While I delivered some OS X 10.10 Yosemite preview benchmarks back in August, here's my first tests of the official release of Apple OS X 10.10.1 compared to Ubuntu 14.10 Linux. Tests were done of OS X 10.9.5 and OS X 10.10.1 against Ubuntu 14.10 Utopic Unicorn when running the benchmarks under both GCC and LLVM Clang compilers.

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Linux 3.18 Kernel: Not Much Change With Intel Haswell Performance

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Graphics/Benchmarks
Linux

For those wondering whether there will be any exciting improvements with the Intel DRM graphics driver in the Linux 3.18 kernel, here's some OpenGL performance benchmarks.

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Scientific Linux 6.6 vs. Scientific Linux 7.0 Benchmarks

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Graphics/Benchmarks
Red Hat

Scientific Linux 6.6 vs. Scientific Linux 7.0, which of these Red Hat Enterprise Linux derived distributions are faster? Here's some benchmark results from a ten-core Xeon system.

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Ubuntu 14.10 vs Kubuntu 14.10 vs Xubuntu 14.10 vs Lubuntu 14.10 vs Ubuntu GNOME 14.10: A Comparison

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Graphics/Benchmarks
Ubuntu

So, in nutshell, I found Lubuntu 14.10 to be the best in performance among the Ubuntu distros. It offered me trouble free experience throughout my usage and I found it to be really stable. Anyone looking for a really really efficient distro and those with low powered machines can safely bet on Lubuntu 14.10

Based on my experience, I found Ubuntu GNOME to be the second best offering very decent performance with a very refined desktop environment. I thought Xubuntu would occupy this position but unfortunately, a bit of instability in the distro marred my experience. I would safely recommend Ubuntu GNOME 14.10 to users with modern laptop with or without touchscreen over the rest of the four distros.

As usual Kubuntu is the slowest of the lot and consumes the most power. You can expect the least battery life from Kubuntu. However, the desktop environment (specially the Plasma 5 upgrade) is mind blowing! Those with powerful modern machines and less usage of battery power can safely choose Kubuntu as it seemed to be the most exciting of the lot.

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Is The Open-Source NVIDIA Driver Fast Enough For Steam On Linux Gaming?

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Graphics/Benchmarks
Gaming

While I generally don't recommend Nouveau for Linux gaming systems due to the re-clocking still being a huge work-in-progress to allow the graphics cards to effectively operate at their designated clock frequencies / performance states, I decided to run some fresh tests using the Linux 3.18 kernel and Mesa 10.4-devel to see where things stand today. For the tested Kepler graphics cards that support re-clocking, I tested them at their maximum obtained re-clocked frequencies where the system was stable -- generally still below their rated core/memory frequencies.

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Over-Volting Your GPU With The New NVIDIA Linux Driver

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Graphics/Benchmarks
Linux

Unlike the frequency overclocking done through the NVIDIA Settings GUI, the over-volting can only be done via the command-line interface. It's not clear yet if this is just a temporary limitation if NVIDIA didn't get around to exposing it via the GTK interface or they will keep it CLI-only in trying to discourage novice users from accidentally over-volting their system and causing potential damage, etc.

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Also: NVIDIA Adds "Nyan Blaze" To Coreboot

GeForce GTX 970/980 Linux Benchmarks With NVIDIA 346.16 Driver

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Graphics/Benchmarks

This week NVIDIA introduced the 346 Linux driver beta with a huge amount of changes and new features -- from GPU over-volting to NVENC and VP8 support. Curiosity got the best of me so I've now ran some GeForce GTX 970 and GTX 980 Linux benchmarks to see if the performance of these new, high-end Maxwell GPUs have changed at all with this latest proprietary driver release.

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AMD's "AMDKFD" HSA Driver Is Ready For Pulling In Linux 3.19

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Graphics/Benchmarks
Linux

Oded Gabbay of AMD sent out the pull request to David Airlie for trying to land the AMDKFD driver in Linux 3.19. The difference between this driver and AMDGPU is that it's already been public for a while where we're still waiting for the AMDGPU graphics driver to be published that's the new DRM driver to be shared with the Catalyst Linux user-space for supporting the AMD Radeon R9 285 and newer GPUs.

While the AMDKFD driver hasn't yet been pulled by Airlie at the time of writing, this driver has already undergone review from upstream developers and in fact revised six times through the public process. Given that the drm-next merge window is still open for a few more days, this driver stands good chances of being merged then as a new Linux 3.19 driver. Friday's sixth version contains just minor changes to the driver compared to last week.

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