Intel Skylake Core i5 Performance Doesn't Appear Impacted Yet By Linux 4.3
Written by Michael Larabel in Intel on 2 September 2015 at 03:07 PM EDT. Add A Comment
INTEL --
Due to the Linux scheduler changes that already landed in Linux Git having a rework that potentially affects every SMP workload out there and some power management changes that affect Skylake, I decided to run some early Linux 4.3 kernel code as of Git this morning on the Core i5 6600K "Skylake" system.

While the scheduler change could affect the performance of SMP workloads, at least for this Core i5 system the benchmarks ran today weren't impacted one way or another. The ACPI/PM code also landed and likewise there didn't seem to be any difference with the CPU benchmarks carried out compared to Linux 4.1.0 final.


My data can be found via this OpenBenchmarking.org result file but there isn't much to look at yet with no changes having landed yet in Linux 4.3 to shake-up the Core i5 6600K performance compared to Linux 4.1.0. Disk and graphics tests along with other benchmarks on this system and several others will be carried out once the merge window is over in two weeks. There's also the daily Linux kernel Git benchmarks every day over on LinuxBenchmarking.com under Ubuntu and then also the Fedora Rawhide Nodebug kernel tracker.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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