The Impact Of GCC Zen Compiler Tuning On AMD Ryzen Performance
Written by Michael Larabel in Software on 3 March 2017. Page 5 of 5. 51 Comments

The libjpeg-turbo performance was barely impacted by the compiler optimizations.

The HINT performance also didn't budge with the compiler tuning.

For those curious how enabling znver1's impact on build time, here are those benchmarks.

It will be interesting to run these tests with GCC 7 and LLVM Clang 4 to see if the Zen tuning is any better with those compilers. While Zen compiler tuning has been happening in the public since 2015, it seems there is still more compiler work needed, especially as from our compiler benchmarks with Intel their processors seem to benefit much greater from compiler tuning. Stay tuned!

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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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