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Linux Hardware Reviews, Performance Benchmarks & Open-Source / Free Software News
Updated: 1 hour 31 min ago

LLVM 16 Enabling Scalable Vectorization By Default For RISC-V

Fri, 07/29/2022 - 17:26
With LLVM 15 branched and main now open for LLVM 16, one of the early changes for this next compiler release cycle is enabling scalable vectorization by default for RISC-V with supported targets for RISC-V vector instructions...

Raspberry Pi V3DV Driver Now Exposes Vulkan 1.2

Fri, 07/29/2022 - 16:53
The Mesa V3DV open-source Vulkan driver for supporting Broadcom VideoCore V/VI graphics that is most notably used by the Raspberry Pi 4 and later is now exposing Vulkan 1.2 support...

Godot 4.0 Adds Variable Rate Shading, Shader Preprocessor Support

Fri, 07/29/2022 - 12:00
The Godot open-source game engine developers announced on Thursday that next week will mark the Godot 4.0 feature freeze as they prepare to ship the Godot 4.0 Beta 1 in September. But ahead of that feature freeze, Godot 4.0 Alpha 13 was released on Thursday afternoon with yet more feature work -- including variable rate shading and other renderer improvements...

Raptor Launches Arctic Tern As An Open-Source BMC Solution

Fri, 07/29/2022 - 03:00
Open-source device manufacturer Raptor Computing Systems earlier this month teased their new FPGA-based open-source soft BMC product while today that "Arctic Tern" product has been formally announced...

Google + SkyWater Moving To 90nm For Their Open-Source Silicon Design Initiative

Fri, 07/29/2022 - 01:38
Google and SkyWater have teamed up the past few years with an open-source design kit for allowing projects to see their open-source silicon designs manufactured. This effort started off on a 130nm process node but announced today is the rolling out of 90nm manufacturing...

Godot 4.0 Preparing For Beta, Feature Freeze Next Week

Fri, 07/29/2022 - 00:40
Godot as one of the most successful open-source game engine projects is preparing for its Godot 4.0 Beta 1 milestone and as part of that will begin the feature freeze for this major engine update...

Intel Posts New Linux Driver For "Versatile Processing Unit" Coming With 14th Gen CPUs

Thu, 07/28/2022 - 22:00
Intel has posted a new open-source Linux VPU driver today... Not Video Processing Unit, but it's for a Versatile Processing Unit coming with 14th Gen Core processors...

Linux 5.19 Features Many Intel & AMD Improvements, New Hardware Preparations

Thu, 07/28/2022 - 21:00
Linux 5.19 is set to be released this weekend, so here is a reminder about some of the big ticket items to find in this summer 2022 kernel release...

Retbleed Impact, Overall CPU Security Mitigation Cost For Intel Xeon E3 v5 Skylake

Thu, 07/28/2022 - 17:55
Since the disclosure of Retbleed earlier this month as the newest CPU security vulnerability around speculative execution, I've posted some Intel/AMD benchmarks looking at the mitigation cost for the affected older generations of processors. Last week I also looked at the accumulated CPU mitigation cost on AMD Zen 1. Today is a similar comparison over on the Intel Xeon E3 v5 "Skylake" side with looking at the cost of just the Retbleed mitigations and then the overall CPU mitigation cost when toggling all of the various vulnerabilities with the "mitigations=off" flag.

Intel Begins Lobbing More Meteor Lake Linux Graphics Driver Patches

Thu, 07/28/2022 - 17:20
With Intel DG2/Alchemist getting settled, the DRM-Next cutoff for v5.20 kernel material having passed, and Raptor Lake enablement also appearing to be in good shape given the little change over Alder Lake, Intel open-source engineers have begun working more on Meteor Lake driver support that will succeed Raptor Lake next year...

Linux Optimization Patch Wants AMD's PSP To Cool Down

Thu, 07/28/2022 - 16:46
The newest AMD Linux optimization patch for the kernel aims to introduce a cool down period for the AMD Platform Security Processor (PSP) after each I2C transaction between the x86 CPU and the PSP...

Canonical Continues Working To Improve Its Steam Snap

Thu, 07/28/2022 - 16:27
Canonical engineers continue working on their Steam Snap for making that confined version of Valve's Linux game client viable and useful to Ubuntu gamers...

Initial GCC Rust Front-End Compiler Patches Submitted For Review

Thu, 07/28/2022 - 12:00
Following this month's approval by the steering committee of GCC Rust as a compiler front-end for the Rust programming language, the first formal series has been sent out for review...

Intel Begins Shifting 6th To 10th Gen Intel Processor Graphics To Legacy Support

Thu, 07/28/2022 - 06:53
Intel today confirmed they are moving their 6th to 10th Gen Intel Processor Graphics (basically all the "Gen9" graphics hardware going back to the Skylake days) to their legacy support model. This primarily impacts Windows but longer-term may have some implications for Linux users...

QEMU 7.1 Being Prepared With LoongArch Support, More RISC-V Features

Thu, 07/28/2022 - 01:46
QEMU 7.1 is working its way toward release as the next major version of this open-source processor emulator that plays an important role in the open-source virtualization stack...

AMD Announces Radeon Raytracing Analyzer

Thu, 07/28/2022 - 00:27
AMD's GPUOpen group today announced the availability of the Radeon Raytracing Analyzer as their latest offering in the Radeon Developer Tool Suite...

AMD Has A Bit More RDNA3 Graphics Driver Code Ready For Linux 5.20

Wed, 07/27/2022 - 21:00
While the cutoff of new feature work to queue in DRM-Next for the next kernel cycle usually ends around the "-rc6" time of the current cycle, AMD has submitted a few last minute items for Linux 5.20 ahead of its merge window opening next week...

Mesa 22.2 Is Ready With Broader Support For Intel Arc Graphics GPUs

Wed, 07/27/2022 - 18:20
Mesa 22.2 is about to be branched and enter its feature freeze while fortunately expanded Intel Arc Graphics DG2/Alchemist support has made it in time! Remaining DG2/Alchemist PCI IDs are now enabled for Mesa 22.2 and intended to function with Linux 5.20+ for Intel's forthcoming desktop graphics cards...

Increased Use Of Windows BitLocker Is Causing Headaches For Linux Dual Booting

Wed, 07/27/2022 - 18:00
Increase use of Windows BitLocker for full-disk encryption on Windows 10 and Windows 11 is causing more challenges by Linux distributions for supporting convenient dual boot functionality for those wishing to keep both Windows and Linux on the same systems...

Linux 5.20 To Help Ensure Intel CPUs With AMX Can Hit Their Lowest Power Idle States

Wed, 07/27/2022 - 17:43
In addition to new kernel code and updated firmware fixing a power management issue for Xeon Scalable "Sapphire Rapids" where C1 and C1E power states were mutually exclusive, another important Sapphire Rapids power management improvement is on the way with the upcoming Linux 5.20 kernel cycle...

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