GCC 11 vs. LLVM Clang 12 Performance On The Intel Core i9 11900K Is A Heated Race

For those wondering how GCC and LLVM Clang are competing when running on Intel's latest Rocket Lake processors, here are some GCC 11 vs. LLVM Clang 12 compiler benchmarks with the Core i9 11900K running from the newly-released Fedora Workstation 34 featuring these very latest compilers. The compiler benchmarks were carried out at multiple optimization levels on each compiler.

4 Hours Ago - Software - 4 Comments
Intel Working On TTM Integration For Discrete vRAM Management

More than a decade ago when the open-source graphics driver stack was being modernized with kernel mode-setting and better handling the stack for OpenGL, composited desktops and the like, TTM (Translation Table Maps) was born for managing GPU video RAM by the kernel Direct Rendering Manager drivers. While Intel initially expressed interest in TTM, they ultimately decided to create GEM as the Graphics Execution Manager for handling their video memory management needs. Now in 2021 with Intel aggressively pursuing discrete graphics, they are working on TTM support.

4 Hours Ago - Intel - TTM Over GEM - 6 Comments
AMD Publishes Latest Linux Patch To Toggle Predictive Store Forwarding (PSF)

It's been a month and a half since AMD published a security analysis of their new Zen 3 "Predictive Store Forwarding" feature that while helping performance could theoretically lead to a new side-channel attack. While they published a Linux patch to allow disabling PSF if desired for increased security, to this day they remain in the works and have yet to be mainlined.

7 Hours Ago - AMD - AMD PSF Linux v6 - 2 Comments

17 May

OpenPrinting Now Developing Upstream CUPS, Apple Bows Out

Back in 2007 Apple effectively acquired the open-source CUPS project and in 2017 then decided to no longer develop CUPS under the GPL but instead the Apache 2.0 license for this widely-used Unix/macOS/Linux print server. But then at the end of 2019 the CUPS lead developer left Apple and following that public development of CUPS seemingly halted. Fortunately, now there is a happy next chapter to the CUPS printing story.

17 May 08:21 PM EDT - Free Software - OpenPrinting CUPS - 18 Comments
Google Announces Some Very Interesting GSoC 2021 Projects

Google announced today the accepted projects/students for this year's Google Summer of Code. While for GSoC 2021 Google trimmed the length of this summer coding initiative and also cut the stipend amounts, there ended up being still a good turnout for this year with some interesting projects to be attempted.

17 May 05:19 PM EDT - Google - Google Summer of Code 2021 - 3 Comments

16 May

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14 May

Intel Seeks More Comments From Developers On Key Locker Implementation For Linux

One of the features already found in new Intel "Tiger Lake" CPUs but not yet supported by the Linux kernel is Key Locker for securing AES keys on the system. Going back months there has been various patch series working toward Key Locker support while the actual patch series getting things ready for usage was just sent out again under a "request for comments" flag.

14 May 05:50 PM EDT - Intel - Intel Key Locker - 7 Comments
Zstd 1.5 Released With Big Performance Improvements

Zstd has already been enjoying phenomenal growth throughout the open-source software ecosystem thanks to its feature set and impressive performance, but can it get even better? Yes, with Zstd 1.5 that is out today there are some more mighty impressive performance improvements.

14 May 01:09 PM EDT - Standards - Zstandard 1.5 - 37 Comments
GCC 8.5 Released As The Last GCC 8 Compiler

For those of you still relying on a GCC 8 compiler, it's time to upgrade beyond that considering GCC 11 debuted just several weeks back, but if you are on the 2018 era compiler for enterprise/legacy reasons, GCC 8.5 is out as one last hurrah.

14 May 11:21 AM EDT - GNU - GCC 8.5 - 1 Comment
Ubuntu 21.10 Begins Transition To PHP 8.0 By Default

While PHP 8.0 was released at the end of last year, it wasn't added to Ubuntu 21.04 given all the changes at play over PHP 7.4. But now for Ubuntu 21.10, that transition to PHP 8 is now happening to ensure it's in good enough shape for the Ubuntu 22.04 LTS cycle.

14 May 06:13 AM EDT - Ubuntu - Ubuntu 21.10 + PHP 8 - 7 Comments
Intel Posts Latest Linux Patches For Reporting Per-Client GPU/Media Engine Utilization

For two years now Intel open-source engineers have floated patches for reporting per-client engine utilization for showing on an application level how much it's leveraging the Intel graphics render/3D, blitter, and video/multimedia engines. This can be used for some nifty system information reporting like a GPU top or other system monitoring functionality. The latest version of these patches were sent out this week.

14 May 05:51 AM EDT - Intel - Will It Get Merged Now? - 8 Comments

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