Mesa 17.2 Has Been Branched

Mesa release manager Emil Velikov went ahead and branched Mesa 17.2 from Git master with new developments now being for Mesa 17.3.

11 Hours Ago - Mesa - Mesa 17.2 - 3 Comments

23 July

Ryzen Compiler Performance: Clang 4/5 vs. GCC 6/7/8 Benchmarks

A few days back I posted some fresh AMD Ryzen compiler benchmarks of LLVM Clang now that it has its new Znver1 scheduler model, which helps out the performance of Ryzen on Linux with some of the generated binaries tested. But it was found still that Haswell-tuned binaries are sometimes still faster on Ryzen than the Zen "znver1" tuning itself. For continuing our fresh compiler benchmarks from AMD's new Ryzen platform, here are the latest GCC numbers.

23 July 09:10 AM EDT - Software - 15 Comments

22 July

21 July

GNOME 3.25.4 Released

GNOME 3.25.4 is the latest development snapshot available of this open-source desktop environment in the road towards GNOME 3.26.

21 July 02:16 PM EDT - GNOME - GNOME 3.25.4 - 3 Comments
StarTech 12U Computer Rack

In needing to make more room for Ryzen/Epyc/ThreadRipper and Core-X Series, the StarTech 12U rack was the latest investment. This 12U rack can, fortunately, fit quite comfortable under my custom-made desk.

21 July 12:40 PM EDT - Enclosures - 19 Comments
Haswell-Tuned Binaries Are Still Sometimes Faster On AMD Ryzen Than Znver1 Tuning

Yesterday I posted benchmarks of Clang 4 vs. Clang 5 with AMD Ryzen now that LLVM 5 has received the initial AMD Zen "znver1" scheduler model. That scheduler model and improvements to LLVM/Clang 5.0 yielded some performance improvements, but still there are cases where using "-march=haswell" for tuning and running those generated binaries on Ryzen leads to better performance.

21 July 07:19 AM EDT - Compiler - March - 4 Comments
NVIDIA's Server-Side GLVND Implementation

Earlier this week I wrote about Adam Jackson's work at Red Hat on a prototype of an X.Org server-side GLVND implementation. NVIDIA has also now announced their coincidentally similar work.

21 July 06:26 AM EDT - X.Org - Server-Side GLVND - 11 Comments

20 July

AMDGPU vs. Radeon DRM On Linux 4.13 For AMD GCN 1.0/1.1 GPUs

With the Linux 4.13 kernel currently under development there are new module parameters that can make it easier switching from the Radeon DRM default on GCN 1.0 and GCN 1.1 GPUs to instead using the newer AMDGPU DRM driver, but Radeon remains the default. Here's my test experiences and benchmark results of AMDGPU vs. Radeon for GCN 1.0/1.1 GPUs.

20 July 01:14 PM EDT - Display Drivers - 48 Comments
Benchmarking LLVM/Clang's New AMD Zen Scheduler Model

Just prior to LLVM 5.0 being branched yesterday, the AMD Zen scheduler model finally landed in LLVM and has the potential of boosting the performance of generated binaries targeting AMD's Zen "znver1" architecture. Here are some benchmarks of LLVM Clang 4.0 compared to the latest LLVM Clang compiler code when testing with both generic x86-64 optimizations and then optimized builds for the first-generation Zen CPUs, tested on a Ryzen 7 processor.

20 July 08:22 AM EDT - Software - 7 Comments
Qt Creator 4.4 Enters Beta

The Qt Company has announced the first public beta of the Qt Creator 4.4 integrated development environment.

20 July 06:35 AM EDT - Qt - Qt Creator 4.4 - 2 Comments

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