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Aujourd’hui — 12 juin 2024Phoronix

FreeBSD 14.1 vs. FreeBSD 14.0 Benchmarks On AMD Ryzen Threadripper

12 juin 2024 à 14:36
Debuting last week was FreeBSD 14.1 with performance improvements and more. Given there being some performance optimizations and other upgrades like a more recent LLVM Clang compiler by default, I've begun running some benchmarks of this newest FreeBSD stable release. In today's article is a quick comparison of FreeBSD 14.1 vs. FreeBSD 14.0 performance using an AMD Ryzen Threadripper 7980X 64-core processor within the System76 Thelio Major workstation.

Linus Torvalds Throws Down The Hammer: Extensible Scheduler "sched_ext" In Linux 6.11

12 juin 2024 à 00:40
The extensible scheduler "sched_ext" code has proven quite versatile for opening up better Linux gaming performance, more quickly prototyping new scheduler changes, Ubuntu/Canonical has been evaluating it for pursuing a more micro-kernel like design, and many other interesting approaches with it. Yet it's remained out of tree but that is now changing with the upcoming Linux 6.11 cycle...
Hier — 11 juin 2024Phoronix

SUSE Working To Upstream RP1 Southbridge Linux Driver For The Raspberry Pi 5

11 juin 2024 à 20:51
The Raspberry Pi 5 features the "RP1" as the in-house silicon design for the southbridge to this single board computer. The RP1 driver maintained by Raspberry Pi is just found in their downstream kernel while a SUSE engineer is working to rework that driver so that it can be eventually mainlined in the upstream Linux kernel...

Intel's Glibc Non-Temporal Stores Memset Optimization Extended To AMD CPUs

11 juin 2024 à 14:57
Merged last month to the GNU C Library (glibc) Git code was a new tunable for non-temporal stores for memset. This optimization for glibc's memset performance was limited to Intel processors given at the time it was only tested/benchmarked on Intel CPUs but now it's proven to be useful too for AMD processors...

Red Hat Developing "eu-stacktrace" For Profiling Without Frame Pointers

11 juin 2024 à 13:45
While last year we saw Fedora to no longer omit the frame pointer to help in debugging/profiling Fedora packages and Ubuntu 24.04 LTS also enabled frame pointers for better debugging/profiling, among other distributions, there is the known performance implications of no longer omitting the frame pointer. But now in aiming to make the best of both worlds, it turns out Red Hat has been developing eu-stracktrace as a new means of profiling without relying on frame pointers...

AMD P-State Linux Patches Updated For Heterogeneous CPUs

11 juin 2024 à 10:44
Last month AMD Linux engineers posted ap atch series for better handling heterogeneous core type CPUs. This is for enhancing the P-State CPU frequency scaling on CPUs featuring a mix of conventional cores and efficiency cores, e.g. Zen 4 and Zen 4C. A third iteration of these patches were posted today...

oneAPI-Focused UXL Foundation Now Collaborating With The Khronos Group

11 juin 2024 à 00:20
Last year it was announced that Intel's oneAPI software initiative evolved into the UXL Foundation for making compute accelerators more open as well as opening things up to more cross-vendor collaboration and adoption. Intel started the Unified Acceleration Foundation with the Linux Foundation, Google, Arm, Qualcomm, Samsung, and others. Announced today is that the UXL Foundation has begun collaborating with The Khronos Group...
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