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Phoronix

Linux 7.1 To Expose AMD Zen 6's AVX-512 BMM For Guest VMs

A small but important patch that looks like it will be merged for the upcoming Linux 7.1 kernel is for enumerating AVX-512 BMM support for KVM virtualized guests. AVX-512 BMM is one of the exciting ISA additions with next-gen AMD Zen 6 processors...

Phoronix

AWS Engineer Reports PostgreSQL Performance Halved By Linux 7.0, But A Fix May Not Be Easy

An Amazon/AWS engineer raised the alarms on Friday over the current Linux 7.0 development kernel leading to the throughput for the PostgreSQL database server being around half that of prior kernel versions. The culprit halving the PostgreSQL performance is known but a revert looks like it may not happen and currently suggesting that PostgreSQL may need to be adapted...

Phoronix

3mdeb Makes Progress Bringing AMD openSIL + Coreboot To Ryzen AM5 Motherboard

In addition to 3mdeb firmware engineers porting AMD openSIL and Coreboot to a Gigabyte EPYC Turin server motherboard, the staff at this firmware consulting company are also porting AMD openSIL and Coreboot to a modern Ryzen AM5 desktop motherboard. They continue making good strides with that quest for the first readily-available Ryzen desktop motherboard with open-source system firmware...

Phoronix

CachyOS Delivers More Performance Out Of Intel Panther Lake

Most of my Intel Panther Lake benchmarking over the past two months for the new Core Ultra Series 3 hardware has been done with Ubuntu Linux given the pervasiveness of it, especially in the corporate/enterprise space. But for those looking at achieving even greater out-of-the-box Linux performance on Intel Panther Lake, the Arch Linux based CachyOS does a pretty fine job at further advancing the performance.

Phoronix

Gentoo Releases Experimental Images Using GNU/Hurd

Following an April Fools' Day tease of Gentoo claiming they were going to switch to GNU Hurd as their primary kernel moving forward, they have now acknowledged the joke but in fact also announcing there are now experimental Gentoo GNU/Hurd images available...

Phoronix

AMDGPU Driver Ready To Be The Default For Aging Kaveri / Kabini / Mullins APUs

With Linux 6.19 AMD GCN 1.1 and GCN 1.1 dGPUs now default to the AMDGPU driver rather than the legacy Radeon Linux driver. For these Southern Islands and Sea Islands graphics cards it means much better performance, RADV Vulkan support out-of-the-box, and other improved functionality in using this modern AMDGPU kernel graphics driver on Linux. One of the exceptions has been the GCN 1.1 APUs like Kaveri still defaulting to the older Radeon driver but a patch has been volleyed to make that change...

Phoronix

Meta Has A New Linux Optimization To Avoid Throttling TCP Throughput Unnecessarily

Meta's great Linux engineering team have been working through some fresh performance optimizations recently from optimizing /proc/interrupts outputs to renewing their investment in jemalloc. A new Linux kernel patch this week provides another optimization to avoid a possible situation of throttling the TCP throughput unnecessarily on Linux systems...