Open-source News

Intel TPMI Linux Driver Published To Enhance Power Management Handling

Phoronix - Sat, 02/04/2023 - 00:30
Intel engineers this week published new Linux open-source driver code for TPMI, the Topology Aware Register and PM Capsule Interface. Intel TPMI for seemingly future processors will allow for more streamlined power management handling and other enhancements over the way the Intel power management drivers currently function...

CentOS Stream & Clear Linux Achieve Greater Performance On 4th Gen Xeon Scalable Sapphire Rapids, EPYC Genoa

Phoronix - Fri, 02/03/2023 - 21:48
As part of other ongoing performance tests of Intel 4th Gen Xeon Scalable "Sapphire Rapids" testing, I was curious to see how the more well-tuned Linux distributions are performing with the flagship Xeon Platinum 8490H processors relative to the common Ubuntu 22.04 LTS release. Here are those benchmark numbers alongside AMD's flagship Genoa server platform with two EPYC 9654 processors.

Proposed Linux Patch Would Allow Disabling CPU Security Mitigations At Build-Time

Phoronix - Fri, 02/03/2023 - 20:30
A proposed Linux kernel patch would provide a new Kconfig build time option of "CONFIG_DEFAULT_CPU_MITIGATIONS_OFF" to build an insecure kernel if wanting to avoid the growing list of CPU security mitigations within the kernel and their associated performance overhead...

Many Small Updates To The Radeon RX 7000 Series / AMD RDNA3 Support Land In Mesa

Phoronix - Fri, 02/03/2023 - 20:00
For those making use of the new Radeon RX 7900 series "RDNA3" graphics cards on Linux, the open-source Mesa driver code has seen nearly three dozen patches merged yesterday providing a variety of small updates to this support...

OpenMPI 5.0 Ready To Say "Goodbye" To 32-Bit Support

Phoronix - Fri, 02/03/2023 - 19:40
The OpenMPI message passing interface library is ready to completely abandon 32-bit software support with its forthcoming v5.0 release...

Red Hat's Display/HDR Hackfest Scheduled For April

Phoronix - Fri, 02/03/2023 - 19:39
As mentioned a few weeks back, Red Hat has been working to arrange a developer "hackfest" to further work out plans and development around HDR display support on the Linux desktop. They are aiming to bring together graphics driver developers, desktop developers, and other Linux stakeholders -- including possibly the likes of Valve -- to work out planning of high dynamic range monitor support over the next year or two for the Linux desktop. That Red Hat HDR hackfest has now been organized to happen in late April...

Dbus-Broker 33 Released With Few Changes

Phoronix - Fri, 02/03/2023 - 18:55
A half-year has passed already since Dbus-Broker 32 was released for this drop-in replacement to the reference D-Bus implementation that is focused on providing better performance and reliability. Today that's been succeeded by Dbus-Broker 33 as a relatively minor update to this software from the BUS1 project...

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