Open-source News

FEX-Emu 2301 Working More On AVX Emulation Atop Arm, New AArch64 Code Emitter

Phoronix - Sat, 01/07/2023 - 02:50
FEX as the open-source project working on allowing x86_64 software to run atop Linux AArch64 (64-bit Arm) systems -- including games and the likes of Valve's Steam Play (Proton) -- is out with its newest monthly feature release...

OpenZFS Lands A Very Nice Performance Optimization

Phoronix - Fri, 01/06/2023 - 23:30
A very nice feature pull request was merged to OpenZFS that can provide a nice performance improvement to this open-source ZFS file-system implementation to kick off the new year...

DDR5 Memory Channel Scaling Performance With AMD EPYC 9004 Series

Phoronix - Fri, 01/06/2023 - 20:30
In addition to the big performance uplift from AVX-512, up to 96 cores per socket, and other Zen 4 architectural improvements, also empowering the EPYC 9004 "Genoa" processors is the support for up to 12 channels of DDR5-4800 memory. In this article is a wide assortment of benchmarks looking at the AMD EPYC 9654 performance across varying numbers of populated DDR5 memory channels.

An MGLRU Performance Regression Fix Is On The Way Plus Another Optimization

Phoronix - Fri, 01/06/2023 - 18:47
While MGLRU is a nice performance win for the Linux kernel now available when enabling it for v6.1+ kernel builds, during my testing I did encounter a regression around the SVT-AV1 video encode performance at least and a fix is working its way toward mainline...

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