Open-source News

Mesa 20.2 RADV Driver Flips On ACO By Default For Quicker Game Load Times, Better Performance

Phoronix - Thu, 06/25/2020 - 22:33
As we have been expecting, as of a few minutes ago in Mesa 20.2-devel Git, the Radeon Vulkan "RADV" driver has enabled the Valve-backed ACO shader compiler by default rather than AMD's official AMDGPU LLVM shader compiler back-end...

Testing Intel FSGSBASE Patches For Helping Elevate Linux Performance

Phoronix - Thu, 06/25/2020 - 21:50
After covering the Linux patches for FSGSBASE for years, it's looking like Linux 5.9 will finally land the support for this CPU capability present since Ivy Bridge on the Intel side and more recently on AMD CPUs with Bulldozer and Zen. Here are benchmarks looking at some of the performance benefits the Linux FSGSBASE patches can provide for an Intel Xeon Cascade Lake Refresh server.

Linux To Begin Tightening Up Ability To Write To CPU MSRs From User-Space

Phoronix - Thu, 06/25/2020 - 20:35
The Linux 5.9 kernel is slated to begin introducing new restrictions on allowing writes to CPU model specific registers (MSRs) from user-space...

Intel oneAPI DPC++ Compiler 2020-06 Released With New Features

Phoronix - Thu, 06/25/2020 - 18:54
While Intel has been providing daily snapshots of the oneAPI Data Parallel C++ (DPC++) open-source compiler, today marks the latest monthly feature compiler release to their cross-architecture language for direct programming that is based on C++ while leveraging SYCL, LLVM/Clang, and other open-source technologies for exploiting the potential of hardware from CPUs to GPUs and FPGAs...

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