Open-source News

Hardware Monitoring Driver Updates Land In Linux 6.2

Phoronix - Sat, 12/17/2022 - 13:00
The hardware monitoring "HWMON" subsystem updates were merged earlier this week for the ongoing Linux 6.2 merge window...

AMD Overhauls Their SEV-SNP Hypervisor Patches They Are Working To Upstream In Linux

Phoronix - Sat, 12/17/2022 - 04:44
Introduced in early 2021 with now prior-generation AMD EPYC 7003 "Milan" processors was SEV-SNP as the "Secure Nested Paging" addition to their Secure Encrypted Virtualization technology. While this year saw the initial SEV-SNP support was finally merged to the mainline Linux kernel, the hypervisor portion remain outstanding and have taken a step back as the AMD engineers overhauled their implementation...

Linux Moves Another Step Closer To Removing Ancient NFSv2 Support

Phoronix - Sat, 12/17/2022 - 03:00
With the Linux 6.2 kernel the NFSD code is taking another step closer to removing the older NFSv2 support...

Intel oneAPI 2023 Released - AMD & NVIDIA Plugins Available

Phoronix - Sat, 12/17/2022 - 02:04
Ahead of 4th Gen Intel Xeon Scalable, Xeon CPU Max, and Intel Data Center GPUs shipping, Intel today announced the oneAPI 2023 tools release...

KDE Plasma 5.27 To Provide Better Multi-Monitor Support

Phoronix - Fri, 12/16/2022 - 22:30
The KDE Plasma 5.27 desktop, which is to be the last Plasma 5 feature release before Plasma 6.0, is poised to introduce revamped multi-monitor handling...

AOCC 4.0 Shows The Strong Advantages Of Compiler Optimizations With 4th Gen AMD EPYC CPUs

Phoronix - Fri, 12/16/2022 - 20:30
Last month when AMD launched the EPYC 9004 "Genoa" series they also published AOCC 4.0 as the newest version of the AMD Optimizing C/C++ Compiler derived from LLVM/Clang and tailored to their latest Zen microarchitecture. At the time I ran some AOCC 4.0 benchmarks on the Ryzen 7000 series and compared it to GCC and Clang. Since then I've had the time on my Genoa test rig to look at how well AOCC 4.0 is performing and in this article are some benchmarks with the EPYC 9374F processors between GCC and AOCC 4.0.

22 Patches From AMD Further Along Mesa's Workstation Performance

Phoronix - Fri, 12/16/2022 - 19:30
Well known Mesa developer Marek Olšák has for years meticulously optimized the RadeonSI driver and before that R600g and R300g where he got his start as a student developer. Besides ensuring the AMD Radeon OpenGL performance is in great shape for Linux gaming, he's also spent much time more recently in focusing on workstation OpenGL performance and with that the common SPECViewPerf benchmark. This week he landed another set of patches providing around a 7.5% improvement for one of the SPECViewPerf tests...

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