Open-source News

Intel P-State Driver Shifting To "Schedutil" Governor Default With Linux 5.7

Phoronix - Tue, 04/07/2020 - 01:40
On top of all the other changes in Linux 5.7 so far, a secondary set of power management updates were sent in today for this next version of the kernel and includes now using the Schedutil governor by default for Intel P-State and Arm big.LITTLE systems...

AMD's Marek Olšák Lands Even More OpenGL Threading Improvements Into Mesa 20.1

Phoronix - Tue, 04/07/2020 - 00:08
One month ago to the day I was writing about OpenGL threading improvements for Mesa 20.1 and since then more "GLTHREAD" work has materialized and successfully landed for improving the Mesa OpenGL driver performance...

Linux 5.7 Changes So Far: New exFAT Driver, Tiger Lake Graphics By Default, Apple Fast Charge, Etc

Phoronix - Mon, 04/06/2020 - 23:00
We are now one week through the two week long Linux 5.7 kernel merge window where new/improved functionality is introduced. Here is a look at the changes so far for Linux 5.7...

C-SKY Architecture Gets Fix For Its Own Speculative Execution Bug In Linux 5.7

Phoronix - Mon, 04/06/2020 - 21:47
C-SKY is a a Chinese 32-bit CPU architecture intended for low-power devices from media boxes / DVRs to printers and other consumer electronics. C-SKY has also worked its way into a ~$6 development board. With its updates for the Linux 5.7 kernel are various additions to this maturing architecture support along with a speculative execution fix...

Initial Benchmarks With Intel oneAPI Level Zero Performance

Phoronix - Mon, 04/06/2020 - 20:38
Last week Intel released an initial set of micro-benchmarks for their oneAPI Level Zero and with L0 support being plumbed into their open-source Intel Compute Runtime, this weekend I started toying around with some Level Zero benchmarks on a variety of Intel processors.

L1d Cache Flush On Context Switch Moves Forward For Linux In Light Of Vulnerabilities

Phoronix - Mon, 04/06/2020 - 20:00
A new patch series sent out just under one month ago was providing opt-in L1 data cache flushing on context switching. That work has now been revived again and now with documentation added it's clear that this work is being done in response to a recent CVE being made public...

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