Open-source News

The Peculiar State Of CPU Security Mitigation Performance On Intel Tiger Lake

Phoronix - Sat, 11/28/2020 - 02:49
One area not talked about much for Intel's latest Tiger Lake processors are hardened CPU security mitigations against the various speculative execution vulnerabilities to date. What's peculiar about Tiger Lake though is now if disabling the configurable mitigations it can actually result in worse performance than the default mitigated state. At least that's what we are seeing so far with the Core i7 1165G7 on Ubuntu 20.10 Linux is the opposite of what we have been seeing on prior generations of hardware.

Intel Sends In More DG1 Enablement Code, Big Joiner For Linux 5.11

Phoronix - Fri, 11/27/2020 - 23:53
Intel's Linux graphics driver developers have submitted their final batch of feature changes targeting the Linux 5.11 kernel...

Qt 6.1, Qt 6.2 Expected To Come Sooner With Tightened Release Cycles

Phoronix - Fri, 11/27/2020 - 21:02
Qt 6.0 is releasing in December and The Qt Company is already drafting plans for the release cycles of Qt 6.1 and Qt 6.2 LTS next year...

Arm Neoverse N2 Support Added To The LLVM Clang 12 Compiler

Phoronix - Fri, 11/27/2020 - 19:35
In September Arm began adding Neoverse N2 support to the open-source compilers initially with GCC and now the support has been merged into LLVM Clang 12 as well...

Following FUSE & CUSE, Now There Is "MUSE" For MTD In Userspace

Phoronix - Fri, 11/27/2020 - 17:24
FUSE is well known to longtime Linux users for allowing file-systems to be implemented in user-space for where a Linux kernel port isn't feasible for portability or licensing restrictions, among other factors. There is also CUSE for character devices in user-space. Now being based on FUSE, there is "MUSE" being worked on for MTD in user-space...

Phoronix 2020 Black Friday Reminders

Phoronix - Fri, 11/27/2020 - 16:30
Just some quick, friendly holiday reminders...

How to choose a wireless protocol for home automation

opensource.com - Fri, 11/27/2020 - 16:02

In the second article in this series, I talked about local control vs. cloud connectivity and some things to consider for your home automation setup.

In this third article, I will discuss the underlying technology for connecting devices to Home Assistant, including the dominant protocols that smart devices use to communicate and some things to think about before purchasing smart devices.


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