Open-source News

Tuned AMD Zen 4 Scheduler Model Lands In LLVM 17 Compiler

Phoronix - Thu, 03/09/2023 - 04:15
Back in December initial AMD Zen 4 "znver4" support was merged for the LLVM/Clang 16 compiler. While the "-march=znver4" targeting at least flips on the newly-added AVX-512 instructions with these AMD processors, it was re-using the existing scheduler model from Zen 3. Finally today a tuned Zen 4 scheduler model has landed for what will be found in the LLVM 17 compiler later this year...

Mesa 22.3.7 Released To End Out The Series

Phoronix - Thu, 03/09/2023 - 03:30
Mesa 22.3.7 has been released as the last planned point release for that driver Q4'2022 driver series...

Crucial 2 x 16GB DDR5-5200 / DDR5-5600

Phoronix - Thu, 03/09/2023 - 02:00
Micron recently sent over their latest Crucial 2 x 16GB DDR5-5200 and DDR5-5600 memory kits for testing with these low cost options for running with the latest Intel Alder Lake / Raptor Lake and AMD Ryzen 7000 series processors. Here's a look at how these affordable DDR5 memory options are performing and a look at the Linux workloads that can benefit from higher frequency memory.

Ubuntu Announces Official Support For The PolarFire SoC FPGA Icicle Kit RISC-V Board

Phoronix - Wed, 03/08/2023 - 23:45
Following work bringing Ubuntu Linux to the RISC-V boards like the StarFive VisionFive 2, LicheeRV, Nezha, and others, Canonical today announced they have published an optimized RISC-V image for the Microchip PolarFire SoC FPGA powered "Icicle Kit" development board...

Samba 4.18 Released With Performance Optimizations

Phoronix - Wed, 03/08/2023 - 21:54
Samba 4.18 is out today as the popular open-source implementation of the SMB networking protocol that allows for file and print service interoperability with Microsoft Windows systems in an Active Directory (AD) environment...

Wayland Clients Can Now Survive Qt Wayland Crashes / Compositor Restarts

Phoronix - Wed, 03/08/2023 - 21:24
A change merged to Qt this week can allow for Wayland clients to survive compositor restarts, such as when the compositor crashes...

IOCB_NOWAIT For Linux Pipes Yields 10~23x Performance Improvement

Phoronix - Wed, 03/08/2023 - 20:05
In wanting to avoid waiting for pipes via the IOCB_NOWAIT option in order to further enhance IO_uring performance, Jens Axboe has implemented said functionality and in a simple test is seeing 10x to 23x performance improvements...

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