Open-source News

Google Engineer Calls For Greater Collaboration On Speculative Execution Mitigations

Phoronix - Sat, 08/29/2020 - 01:00
When it comes to kernel address space isolation (ASI) and other yet-to-be-merged security features around fending off speculative execution attacks, there are multiple concurrent efforts by many of the public cloud providers and other hyperscalers. A Google engineer at this week's Linux Plumbers Conference has called for more collaboration in this area to ideally provide a unified solution...

AMD AOCC 2.2 Helping Squeeze Extra Performance Out Of AMD EPYC 7002 "Rome" CPUs

Phoronix - Fri, 08/28/2020 - 22:55
At the end of June AMD quietly released a new version of the AMD Optimizing C/C++ Compiler. Noticing the new release this week, here are some benchmarks of AOCC 2.2 up against LLVM Clang 10 and GCC 10 with Ubuntu Linux while running from an AMD EPYC 7742 2P server for looking at the performance gains possible with the compiler optimizations.

Mesa 20.2 Should Be Released In About Two Weeks - LLVMpipe OpenGL 4.5 Enabled

Phoronix - Fri, 08/28/2020 - 21:24
After forgetting to release last week, Mesa 20.2-RC3 is out as the newest test build of this quarterly Mesa3D feature release for the collection of open-source OpenGL/Vulkan drivers...

OpenSUSE Jump Distribution Now Available For Alpha Testing

Phoronix - Fri, 08/28/2020 - 20:17
An alpha prototype of openSUSE "Jump" is now available for testing of this new build of openSUSE...

SuperTuxKart 1.2 Brings Better Gamepad Support, Other Features

Phoronix - Fri, 08/28/2020 - 20:04
For those looking at enjoying some open-source Linux gaming this weekend, SuperTuxKart 1.2 is out as the Mario Kart inspired racing game that is cross-platform and features the Linux mascot Tux...

Google Using AutoFDO On Linux Meant Up To 12% Less Cycles Spent Within The Kernel

Phoronix - Fri, 08/28/2020 - 17:40
While a Microsoft engineer was at Linux Plumbers Conference this week talking up their LTO and PGO optimization work for the Linux kernel, Google engineers have now one upped that work by also shipping kernels with AutoFDO optimizations...

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