Hyper Threading Performance & CPU Core Scaling With Intel's Skylake Xeon
Written by Michael Larabel in Intel on 27 February 2016 at 12:34 PM EST. 15 Comments
INTEL --
As some extra benchmarks following this week's 9-Way Intel Xeon E3 v5 Skylake Benchmarks On Ubuntu Linux, some Phoronix Premium readers wanted to see how well Hyper Threading worked for these latest-generation Xeon E3 processors and the core scaling efficiency of Skylake.

So for some extra benchmarks today, using toggles from the MSI C236A Workstation BIOS, I ran a number of multi-threaded Linux benchmarks when a Xeon E3 1280 v5 had just one core enabled, two cores, three cores, four cores, and then four cores with Hyper Threading.

All other settings were maintained the same.


To see all of the benchmarks, visit this OpenBenchmarking.org result file for many more data points from a small fraction of the Phoronix Test Suite's open-source, multi-threaded test arsenal.

Of course, via OpenBenchmarking.org / PTS you can also normalize the results easily:



To see the normalized results, visit this OpenBenchmarking.org link.
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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 10,000 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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