Intel's Linux OS Shows The Importance Of Software Optimizations, Further Optimized Xeon "Ice Lake" In 2021
Written by Michael Larabel in Operating Systems on 6 January 2022. Page 4 of 4. 17 Comments

Some of these optimizations like adjusting the CPU frequency scaling driver and CFLAGS can be carried out by users/administrators on Ubuntu, but obviously not straight-forward carrying out all optimizations elsewhere especially when it comes to AVX-512 optimized libraries and other more invasive changes.

For those simply after the best out-of-the-box performance on Intel Xeon Scalable for HPC and other areas, Clear Linux continued shining and expanded its lead in 2021.

Even in cases like PHP performance they managed to find ways to further achieve greater performance.

Those wanting to go through all 49 benchmarks in full for this end-of-year 2021 Linux comparison on Intel Xeon Scalable "Ice Lake" can see this result file.

More information on Clear Linux's optimizations and other design approaches can be found on Here's to hoping that more Linux distributions will begin taking such optimization steps in 2022 thanks to this groundwork laid by Intel.

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Michael Larabel is the principal author of 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 automated benchmarking software. He can be followed via Twitter or contacted via

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