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Hier — 2 février 2025Phoronix
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KDE Plasma 6.3: "It's Looking Pretty Good!"

1 février 2025 à 12:22
KDE developer Nate Graham is out with his traditional weekly recap of all the interesting KDE Plasma changes for the past week. With less than two weeks until the Plasma 6.3 stable release, Nate Graham began his weekly update by remarking that the Plasma 6.3 desktop is "looking pretty good!"..

"NOVA-Core" Patches Propose Building New NVIDIA Driver Piece-By-Piece In The Linux Kernel

1 février 2025 à 02:30
Red Hat engineers have been working on Nova as an open-source driver successor to the Nouveau driver for upstream NVIDIA GPU support within the Linux kernel that can be used with the Mesa OpenGL/Vulkan drivers. Unlike the prior larger RFC patch series, sent out to the Linux kernel mailing list today were some small patches for introducing "NOVA-Core" that would serve as the initial base for this modern NVIDIA Linux kernel DRM driver. Over time and succeeding kernel releases, the NOVA code would be built up until ultimately becoming a usable state for end-users...

TLB Flushing Scalability Optimizations Merged For Linux 6.14 To Benefit AMD / Intel CPUs

31 janvier 2025 à 22:57
While we are approaching the end of the Linux 6.14 merge window with Linux 6.14-rc1 expected on Sunday, the fun isn't over quite yet... Among other last minute pull requests today were a set of patches to work on better optimizing the TLB flushing scalability for modern Intel and AMD x86_64 processors...

The Compelling AVX-512 Performance Advantage On AMD EPYC 9005 "Turin"

31 janvier 2025 à 16:56
Back in October following the launch of the EPYC 9005 "Turin" processors I ran an AVX-512 performance comparison for the EPYC 9755 with 512-bit data path vs. 256-bit data path vs. AVX-512 disabled. That was interesting for showing the benefits of Zen 5's full 512-bit data path support compared to the "double pumped" approach with Zen 4 or optionally used via a BIOS option on Zen 5. AVX-512 continues to prove to be very performant and power efficient with AMD Zen 5 processors unlike with the early generations of AVX-512 on Intel processors. Here is a fresh look at the AVX-512 performance on a Supermicro server with an AMD EPYC 9655 processor.

Chromium Embedded Framework "CEF" Seeing Progress On Wayland Support

31 janvier 2025 à 12:36
One of the important pieces of open-source software still working toward proper Wayland support is the Chromium Embedded Framework "CEF" that in turn is depended upon by software like Steam, OBS Studio, Spotify, and many other software packages for having an in-app browser-type experience. The good news is there has been some recent progress on native Wayland support for CEF...

Mesa 25.0-rc1 Released With Initial AMD RDNA4 Support, Vulkan 1.4 & Other New Extensions

31 janvier 2025 à 02:36
Mesa 25.0 feature development is now over with the code having been branched from Mesa Git and the Mesa 25.0-rc1 release candidate issued. Mesa 25.0 is to be the next quarterly feature release for these open-source 3D graphics drivers and will hopefully see its stable debut before the end of February. In turn Mesa 25.0 will be found with the likes of Fedora 42 and Ubuntu 25.04 for providing the newest open-source OpenGL and Vulkan driver support, including for upcoming AMD RDNA4 graphics...
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