Open-source News

AMD 4th Gen EPYC 9654 "Genoa" AVX-512 Performance Analysis

Phoronix - Mon, 12/19/2022 - 23:00
With the great AMD 4th Gen EPYC Linux performance showing significant generational uplift and dominating against the current Xeon Scalable "Ice Lake" competition, it's a combination of the twelve channels of DDR5 system memory support, up to 96 cores per socket, introduction of AVX-512, and other Zen 4 micro-architectural improvements. As follow-up testing articles to all of the Genoa data delivered thus far, over the weeks ahead I have additional benchmark results to share looking more closely at these different areas of improvement for AMD 4th Gen EPYC. In today's article is a look at the EPYC 9654 2P performance with AVX-512 on/off while also looking at the CPU power consumption impact and the affect on CPU clock frequencies and thermals.

Vulkan Video 1.0 Extensions Published As Part Of Vulkan 1.3.238

Phoronix - Mon, 12/19/2022 - 21:22
In early 2021 the Vulkan Video extensions were published in beta/provisional form as a new industry-standard video encode/decode API with the context of Vulkan. As a nice Christmas gift this week from The Khronos Group, the extensions have been finalized as Vulkan Video 1.0 and are now deemed ready for production use...

Phoronix Premium 2022 Christmas Deal For Enjoying Ad-Free Access, Single Page Articles

Phoronix - Mon, 12/19/2022 - 19:27
In the event you missed out on participating in last month's Black Friday deal for joining Phoronix Premium to enjoy the site ad-free and multi-page articles on a single page while helping to support continued operations of Phoronix, the deal has returned for Christmas week and marking the end of the year...

Linux 6.2 Landing Scalability Improvement For Large IBM Power Systems

Phoronix - Mon, 12/19/2022 - 18:50
The IBM Power/PowerPC architecture updates were sent out today for the ongoing Linux 6.2 merge window and most significant with this update is the introduction of a new Power-specific qspinlock implementation designed to bolster large system scalability...

AMD P-State EPP Patches Spun An 8th Time For Helping Out Linux Performance & Efficiency

Phoronix - Mon, 12/19/2022 - 18:27
AMD kicked off Christmas week by posting an eighth version of their P-State EPP driver patches for implementing the AMD Energy Performance Preference handling within their recent processors/SoCs for software to hint a performance or energy efficiency hint. P-State EPP can address some of the shortcomings with AMD's original P-State driver implementation merged nearly a year ago and has been showing good results in numbers posted by AMD engineers...

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