A Fresh Look At The PGO Performance With GCC 8
Written by Michael Larabel in Software on 19 July 2018. Page 3 of 3. 19 Comments

The Crafty chess benchmark benefited by a very small amount with PGO.

The Stockfish chess benchmark performance advantage was slightly more noticeable than Crafty.

The TSCP chess engine saw about a 9% performance boost thanks to GCC's PGO.

The ebizzy benchmark that tries to resemble server workloads saw just about a 3% rise in performance.

That's the quick look at the GCC 8.2 RC1 PGO performance for those curious about the current impact of profile-guided optimizations on some real-world workloads. More tests will be coming with our next compiler comparison.

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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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