Qt 6.1 Released With More Modules Ported To Qt6

Qt 6.1 is out today as the second major feature release to Qt6 following its stable introduction at the end of last year. Ahead of Qt 6.2 being the first planned Long-Term Support release later this year, Qt 6.1 brings more Qt5 modules over and other improvements in making Qt6 more viable.

11 Hours Ago - Qt - Qt 6.1 - Add A Comment

5 May

GCC, GNU Toolchain Finally Working To Establish CI/CD For Better Reliability

For a project as large and complex as the GNU Compiler Collection (GCC) one would reasonably have assumed that it would have setup continuous integration / continuous delivery support years ago for helping to ensure the reliability of this widely-used open-source compiler and the GNU Toolchain at large. But that's actually only happening now in 2021.

5 May 01:39 PM EDT - GNU - Continuous Integration - 17 Comments

4 May

A Fresh Take On Speculative Page Faulting Aims For The Mainline Kernel

Over the years there have been a number of rounds of patches published for speculative page faulting. The goal has been to support user-space page-faults without holding the memory management semaphores and to ultimately allow for better performance especially with threaded workloads. A fresh take on the speculative page faulting (SPF) functionality was recently volleyed on the kernel mailing list.

4 May 07:30 AM EDT - Linux Kernel - Speculative Page Faulting - 2 Comments
Mesa Fixes Up The Recent L3 Cache Pinning Rework

Going on for a few years now has been some Mesa optimizations for AMD Ryzen CPUs and in particular L3 cache optimizations. There is now a fix to re-enable this support after it was mistakenly broken earlier this year.

4 May 06:26 AM EDT - Mesa - Fixes L3 Cache Pinning - Add A Comment

3 May

AMD Zen 3 Scheduler Model Finally Added To LLVM/Clang

While last minute AMD Zen 3 "znver3" improvements managed to make it for GCC 11 that was recently released, the recent debut of LLVM 12.0 wasn't so lucky on the Zen 3 support front. There was the very basic enablement that landed in LLVM 12 but now the more complete support isn't expected until LLVM 13 this autumn.

3 May 07:09 AM EDT - AMD - Znver3 - 8 Comments

2 May

Intel Proposes Calibrated Timestamps As It Works Towards Vulkan Video

Since the publishing of the provisional Vulkan Video specification last month, the only driver on Linux to have exposed any early Vulkan Video support is NVIDIA's Vulkan beta Linux driver. But it would appear that Intel's open-source developers are working at least towards eventually handling this video acceleration API.

2 May 01:33 PM EDT - Vulkan - VK_EXT_calibrated_timestamps - 11 Comments

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