Open-source News

FUTEX2 Still Being Worked On For Benefiting Linux Gaming & Much More

Phoronix - Mon, 08/24/2020 - 23:35
Proposed last summer by Valve and Collabora developers were extending the Linux kernel's futex system call to allow for more optimal thread pool synchronization and paired with Wine/Proton work to better match the semantics of Windows. That then spun into creating a new system call, futex2. With the recently closed Linux 5.9 merge window the new futex2 system call didn't land, but the work is still being pursued...

GCC 11 Compiler Might Finally Enable DWARF 5 Debugging By Default

Phoronix - Mon, 08/24/2020 - 22:41
For a number of years the GNU Compiler Collection has shipped experimental support for the DWARF 5 debugging data format while finally for next year's GCC 11 release it might be deemed stable and used by default...

Older Radeon GPUs With RADV Vulkan Driver Now Have Trap Handler For Helping Catch Issues

Phoronix - Mon, 08/24/2020 - 21:25
The Mesa Radeon Vulkan driver "RADV" has seen an initial trap handler implementation for helping to more easily catch and diagnose various issues stemming from Vulkan shaders...

hipSYCL Seeing New Runtime For This SYCL Implementation For CPUs + ROCm/CUDA GPUs

Phoronix - Mon, 08/24/2020 - 20:25
The hipSYCL effort has been about supporting the Khronos SYCL single-source language built on C++ across any CPU with OpenMP as well as AMD Radeon GPUs via ROCm and NVIDIA GPUs via CUDA. The hipSYCL effort has a new "Lite" experimental runtime under development...

GNOME Mutter Code Further Tuned For Lowering Latency On NVIDIA Driver

Phoronix - Mon, 08/24/2020 - 19:09
One of many performance optimization projects being pursued by Canonical's Daniel van Vugt in the GNOME space has been working to lower the latency when using NVIDIA's proprietary driver to address high latency spikes in certain situations as well as stuttering on the desktop. The Ubuntu developer has had patches under testing for months while this past week a latest revision was made available...

BPF Preload / User Mode Debugging Additions On The Way For Linux 5.10

Phoronix - Mon, 08/24/2020 - 18:52
The "first real user" of the BPF user mode driver facility is on the way for Linux 5.10...

Recognize more devices on Linux with this USB ID Repository

opensource.com - Mon, 08/24/2020 - 15:01

There are thousands of USB devices on the market—keyboards, scanners, printers, mouses, and countless others that all work on Linux. Their vendor details are stored in the USB ID Repository.


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Happy 10th anniversary, OpenStack!

opensource.com - Mon, 08/24/2020 - 15:00

OpenStack has transformed the open source industry since it launched 10 years ago. It was an endeavor to bring greater choice in cloud solutions by combining NASA's Nova with Rackspace's Swift object storage and has since grown into a strong base for open infrastructure.


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Origin stories about Unix

opensource.com - Mon, 08/24/2020 - 15:00

Brian W. Kernighan opens his book Unix: A History and a Memoir with the line, "To understand how Unix happened, we have to understand Bell Labs, especially how it worked and the creative environment that it provided." And so begins a wonderful trip back in time, following the creation and development of early Unix with someone who was there.


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