Open-source News

Open-Source AMD OpenGL Driver Drops Support For Smart Access Memory / ReBAR

Phoronix - Thu, 03/09/2023 - 07:30
Since late 2020 there had been work by AMD Linux engineers on adding Smart Access Memory (Resizable BAR) support to RadeonSI as the Gallium3D OpenGL driver and improved since that point in the name of performance. However, for this OpenGL driver now they've come to realize the benefits haven't necessarily panned out and the developers went ahead and disabled this SAM/ReBAR support followed by removing the support from this driver...

Tuned AMD Zen 4 Scheduler Model Lands In LLVM 17 Compiler

Phoronix - Thu, 03/09/2023 - 04:15
Back in December initial AMD Zen 4 "znver4" support was merged for the LLVM/Clang 16 compiler. While the "-march=znver4" targeting at least flips on the newly-added AVX-512 instructions with these AMD processors, it was re-using the existing scheduler model from Zen 3. Finally today a tuned Zen 4 scheduler model has landed for what will be found in the LLVM 17 compiler later this year...

Mesa 22.3.7 Released To End Out The Series

Phoronix - Thu, 03/09/2023 - 03:30
Mesa 22.3.7 has been released as the last planned point release for that driver Q4'2022 driver series...

Crucial 2 x 16GB DDR5-5200 / DDR5-5600

Phoronix - Thu, 03/09/2023 - 02:00
Micron recently sent over their latest Crucial 2 x 16GB DDR5-5200 and DDR5-5600 memory kits for testing with these low cost options for running with the latest Intel Alder Lake / Raptor Lake and AMD Ryzen 7000 series processors. Here's a look at how these affordable DDR5 memory options are performing and a look at the Linux workloads that can benefit from higher frequency memory.

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