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Yesterday โ€” 25 November 2024Phoronix

Large Folio Patches For EXT4 Show Some Nice Performance Gains

25 November 2024 at 20:50
Huawei engineer Zhang Yi posted a set of nine patches today for enabling large folio support for regular files with the EXT4 file-system. These patches enable large folios for EXT4 on regular files except when using FSVERITY, FSCRYPT, or the journaled data mode. Long story short, these large folio patches can deliver some nice performance gains for both reads and writes...

New AMD Zen 5 Perf Events Going Into Linux 6.13

25 November 2024 at 19:01
Sent out last night for the ongoing Linux 6.13 merge window were all of the perf tool changes for the wonderful "perf" subsystem for performance profiling and the like. In addition to adding the HWMON PMU to "perf stat", leader sampling for inherited task events, and various other tooling improvements, there are also vendor event updates. Most notable with the updated CPU vendor events are new AMD Zen 5 processor events...

Phoronix Premium Cyber Week Sale To Better Enjoy Our Linux Hardware Reviews & News

25 November 2024 at 12:00
While the end of year holidays are fast approaching, my commitment to Linux hardware and open-source software remains and there still is a lot of interesting content to come this year still -- each and every day, without change for roughly a decade. Unfortunately though due to the (sad) state of the ad industry, many major companies focusing on the likes of Facebook/Meta ads, and the frequent use of ad-blockers by Linux/FLOSS readers make ongoing operations increasingly difficult. But if you'd like to show some love this holiday season, the Phoronix Premium "Cyber Week" / "Black Friday" special is now taking place so you can enjoy the site ad-free, native dark mode support, multi-page articles on a single page, and other benefits while hopefully allowing the site to continue for years to come...
Before yesterdayPhoronix

Microsoft Continues "Demikernel" Development LibOS For Kernel-Bypass I/O

23 November 2024 at 21:35
A Microsoft Research project that was quietly announced a few years ago to some fanfare but not hearing much about since has been Demikernel as their library OS architecture for kernel-bypass I/O. A Phoronix reader brought up Demikernel this week and while it hasn't been talked about much in recent years it does remain under active development with the most recent commits as of hours ago...

AMD Linux Graphics Driver Now Allows Display Support With Modern GPUs On LoongArch

23 November 2024 at 00:11
Following the Linux 6.13 DRM feature pull this week that brought many new open-source kernel graphics driver features, it's now time to further stabilize that new feature code with fixes. Sent out today were a batch of fixes for the AMDGPU/AMDKFD kernel driver code targeting the early Linux 6.13 state. In addition to fixes though is also allowing the AMDGPU Display Core "DC" code to build properly on LoongArch hardware for allowing recent AMD Radeon GPUs to work on these Chinese systems...
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