Latest Linux Hardware Reviews, Open-Source News & Benchmarks

Intel IAA 2.0 Accelerator Preparations Coming With Linux 6.4
Intel IAA 2.0 Accelerator Preparations Coming With Linux 6.4
1 April 12:26 PM EDT - Intel - In-Memory Analytics Accelerator - 1 Comment

Introduced with Intel Xeon Scalable 4th Gen "Sapphire Rapids" processors was the In-Memory Analytics Accelerator (IAA) for hardware accelerating data compression/decompression combined with primitive analytics functions for helping to accelerate the likes of RocksDB and ClickHouse. Intel IAA with Sapphire Rapids has already been supported for some time on an open-source stack as laid out in the Intel Sapphire Rapids accelerator setup guide while now Intel engineers are preparing Linux for IAA 2.0.

31 March

New AMD Ryzen CPUs, Intel Sapphire Rapids, Rust Adoption & More In Q1
New AMD Ryzen CPUs, Intel Sapphire Rapids, Rust Adoption & More In Q1
31 March 07:37 PM EDT - Phoronix - Q1-2023 Recap - 4 Comments

During the first quarter of 2023 on Phoronix I wrote 708 original news articles pertaining to Linux, open-source, and hardware. That was complemented by another 45 Linux hardware reviews / multi-page featured articles for the quarter. Here is a look back at what excited Linux/open-source enthusiasts for the quarter.

Google Posts KVM-CPUFreq Driver To Dramatically Boost VM Performance, Power Efficiency
Google Posts KVM-CPUFreq Driver To Dramatically Boost VM Performance, Power Efficiency
31 March 08:30 AM EDT - Virtualization - KVM-CPUFreq - 16 Comments

Google engineers on Thursday posted initial "request for comments" patches on their KVM-CPUFreq driver that is part of their effort to improve the dynamic voltage and frequency scaling behavior and task placement within KVM-based virtual machines. This effort is leading to big improvements in raw performance and performance-per-Watt for tasks running within Linux VMs.

30 March

AMD EPYC Milan Still Gives Intel Sapphire Rapids Tough Competition In The Cloud
AMD EPYC Milan Still Gives Intel Sapphire Rapids Tough Competition In The Cloud
30 March 10:30 AM EDT - Processors - 10 Comments

While waiting for AMD 4th Gen EPYC "Genoa" instances to become available via the major public cloud providers, I was curious to see how existing AMD EPYC Milan instances compare to Intel's new Sapphire Rapids instances in public preview on Google Cloud. While expecting some friendly competition, at the same vCPU size EPYC Milan was managing to deliver not only better performance-per-dollar but also even better raw performance in numerous workloads against the Google Cloud C3 Sapphire Rapids.

29 March

Intel Linux Kernel Optimizations Show Huge Benefit For High Core Count Servers
29 March 01:00 PM EDT - Software - 19 Comments

Earlier this month I wrote about Intel engineers working on more big optimizations to the Linux kernel with a focus on enhancing the kernel's performance at high core counts. The numbers shared then were very promising and since then I've had more time looking at the performance impact of Intel's stellar software optimization work and its impact on real-world workloads. Here is a look at how Intel's pending kernel optimization patches are a huge deal for today's high core count servers.

AMD Releases HIP Ray Tracing 2.0
29 March 12:13 PM EDT - AMD - AMD HIP Ray-Tracing 2.0 - Add A Comment

AMD today published HIP Ray-Tracing 2.0 "HIP RT" as the newest version of their open-source ray-tracing library built for use with their latest-generation GPUs for leveraging hardware ray-tracing capabilities.

Trend Micro Uncovers Yet Another X.Org Server Vulnerability: CVE-2023-1393
29 March 08:30 AM EDT - X.Org - CVE-2023-1393 - 93 Comments

For over a decade now the X.Org Server has been seeing routine security disclosures in its massive codebase with some security researchers saying it's even worse than it looks and security researchers frequently finding multiple vulnerabilities at a time in the large and aging code-base that these days rarely sees new feature work. Today another disclosure was made by the folks with the Trend Micro Zero Day Initiative.

28 March

Ubuntu Cinnamon Becomes An Official Flavor For Ubuntu 23.04
28 March 03:30 PM EDT - Ubuntu - Ubuntu Cinnamon 23.04 - 28 Comments

Since 2019 there has been Ubuntu Cinnamon as an unofficial remix of Ubuntu paired with Linux Mint's Cinnamon desktop environment. After the three years of progress, Ubuntu Cinnamon has now been granted an official status with next month's Ubuntu 23.04 "Lunar Lobster" release.

QNX Support Restored For SDL3
28 March 06:50 AM EDT - Linux Gaming - SDL3 + QNX - 7 Comments

When SDL3 development kicked off last November for this open-source library that is widely used by cross-platform games and other software, QNX support was removed alongside other old targets. Just months later, the QNX platform support is being revived.

Intel Releases GPGMM v0.1 GPU Memory Management Library
28 March 06:06 AM EDT - Intel - GPGMM v0.1 - 1 Comment

Intel has published v0.1 of its GPGMM software, the open-source General-Purpose GPU Memory Management Library. This library is intended to be used by modern software employing the Vulkan or D3D12 APIs for helping application developers deal with low-level video memory management.

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