Open-source News

AMD Posts P-State Linux Patches For New "Guided Autonomous Mode"

Phoronix - Thu, 12/08/2022 - 00:37
With the AMD P-State CPU frequency scaling driver that has come together over the past year and improved upon there has been the Energy Performance Preference "EPP" mode being worked on recently to further improve the performance/power characteristics of Ryzen and EPYC processors on Linux. A new patch series today implements a third mode for the AMD P-State driver...

Intel Raptor Lake Mitigation Impact Performance Comparison

Phoronix - Thu, 12/08/2022 - 00:20
A recurring question that has come up by readers since the recent launch of the Intel 13th Gen Core "Raptor Lake" processors has been whether it's still worthwhile running with the "mitigations=off" Linux kernel option to disable software-controlled CPU security mitigations to increase performance. For production systems that is never recommended due to the security risk, but for those wondering, here is a brief look at the mitigation situation on Raptor Lake with the flagship Core i9 13900K.

Blender 3.4 Now Available With Wayland, Intel Open Path Guiding Integration

Phoronix - Wed, 12/07/2022 - 21:55
Blender 3.4 is now available as the latest feature release for this increasingly popular, industry-supported open-source cross-platform 3D modeling software...

Initial AMD Zen 4 Support Patch Under Review For LLVM/Clang

Phoronix - Wed, 12/07/2022 - 19:40
Following the initial AMD Zen 4 "znver4" target for GCC 13 that was published and merged in October (and now a SUSE engineer working on providing actually tuned support and accurate cost tables), an initial AMD Zen 4 patch for the LLVM/Clang compiler was published a few days ago...

Apple Silicon CPUFreq Driver Heading To Linux 6.2

Phoronix - Wed, 12/07/2022 - 19:18
With the upcoming Linux 6.2 kernel cycle the Apple Silicon CPU frequency scaling driver is set to be mainlined for further improving the Apple M1/M2 SoC support on the mainline kernel...

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