Open-source News

Chrome 85 Is Clang PGO'ing Binaries For Better Performance But Linux Left Out

Phoronix - Wed, 08/26/2020 - 01:00
As we frequently cover, making use of compiler PGO (Profile Guided Optimizations) can mean some sizable performance wins, assuming the generated usage profile is accurate. With the imminent Chrome 85 availability, Google is now making use of PGO with their default LLVM Clang compiler toolchain for squeezing out around 10% better performance...

Linux 5.9 Lands Patch Adding Fallthrough Macro In 2,484 More Spots

Phoronix - Wed, 08/26/2020 - 00:09
A single patch coming in at nearly three thousand lines was merged on Monday for the Linux 5.9 kernel that make the use of the "fallthrough" macro more widespread throughout the kernel...

LibX11 1.6.12 Released Due To Latest Security Advisory

Phoronix - Tue, 08/25/2020 - 23:40
Not even one month passed since the previous libX11 security vulnerabilities were made public while today a new security advisory was issued along with releasing version 1.6.12 of this key X11 library...

Ubuntu 20.04 LTS vs. Linux 5.9 + Mesa 20.3-devel Radeon Graphics Performance

Phoronix - Tue, 08/25/2020 - 22:45
Now that the default graphics driver stack of Ubuntu 20.04 LTS is a few months old, here is a look at the AMD Radeon Linux gaming performance of Ubuntu 20.04.1 LTS out-of-the-box compared to upgrading against Linux 5.9 Git and Mesa 20.3-devel for seeing if the performance advantages are worthwhile in making the leap to the newer RadeonSI OpenGL and RADV Vulkan drivers paired with the very latest kernel.

MIR JIT Aiming For First Release Later This Year By Red Hat Developer

Phoronix - Tue, 08/25/2020 - 19:29
Vladimir Makarov of Red Hat spoke at this week's Linux Plumbers Conference during the GNU Tools Track on lightweight JIT compilers and the effectiveness (or not) of GCC's JIT implementation as well as LLVM's JIT in the context of just-in-time support for Ruby. But following those shortcomings with GCC/LLVM JIT, he's been working on MIR as a lightweight JIT compiler...

TUXEDO Introduces New Linux Laptop With Ryzen 7 4800H / Ryzen 5 4600H

Phoronix - Tue, 08/25/2020 - 19:05
Last month the German Linux PC vendor TUXEDO Computers launched the PULSE 15 with AMD Ryzen "Renoir" processors. Today they launched a new model also featuring the very popular AMD Renoir parts...

OpenZFS Support Merged Into Mainline FreeBSD

Phoronix - Tue, 08/25/2020 - 18:38
Following ongoing work for over a year on moving to OpenZFS for FreeBSD's ZFS file-system support, FreeBSD HEAD overnight has imported the OpenZFS code-base...

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