AMD Zen 5 Not Affected By Inception/SRSO, mitigations=off Yields No Benefit On Ryzen 9000 Series

Written by Michael Larabel in Software on 6 September 2024 at 11:27 AM EDT. Page 2 of 5. 8 Comments.

👁 Timed MrBayes Analysis benchmark with settings of Primate Phylogeny Analysis. mitigations=off was the fastest.

👁 OpenRadioss benchmark with settings of Model: Chrysler Neon 1M. mitigations=off was the fastest.

👁 OpenRadioss benchmark with settings of Model: Bird Strike on Windshield. Default was the fastest.

👁 DaCapo Benchmark benchmark with settings of Java Test: Jython. Default was the fastest.

👁 DaCapo Benchmark benchmark with settings of Java Test: GraphChi. mitigations=off was the fastest.

👁 DaCapo Benchmark benchmark with settings of Java Test: Tradebeans. mitigations=off was the fastest.

👁 DaCapo Benchmark benchmark with settings of Java Test: Spring Boot. mitigations=off was the fastest.

👁 DaCapo Benchmark benchmark with settings of Java Test: Apache Tomcat. Default was the fastest.

👁 DaCapo Benchmark benchmark with settings of Java Test: Avrora AVR Simulation Framework. mitigations=off was the fastest.

👁 DaCapo Benchmark benchmark with settings of Java Test: BioJava Biological Data Framework. Default was the fastest.

👁 Renaissance benchmark with settings of Test: Akka Unbalanced Cobwebbed Tree. Default was the fastest.

👁 Renaissance benchmark with settings of Test: Genetic Algorithm Using Jenetics + Futures. Default was the fastest.

For the most part the difference was very minimal when running the Ryzen 9 9950X in the mitigations=off mode. For a few OpenJDK Java benchmarks there was still some slight impact but nothing really significant.

👁 7-Zip Compression benchmark with settings of Test: Compression Rating. mitigations=off was the fastest.

👁 7-Zip Compression benchmark with settings of Test: Decompression Rating. Default was the fastest.

👁 Timed Godot Game Engine Compilation benchmark with settings of Time To Compile. mitigations=off was the fastest.

👁 Timed Linux Kernel Compilation benchmark with settings of Build: defconfig. Default was the fastest.

👁 Timed LLVM Compilation benchmark with settings of Build System: Ninja. mitigations=off was the fastest.

There wasn't really anything to gain from running the AMD Zen 5 processor with the mitigations=off mode. It's far different from much older CPUs especially on the Intel side with a more pronounced difference.

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URL: https://www.phoronix.com/review/amd-zen5-mitigations-off/2

⇱ AMD Zen 5 Not Affected By Inception/SRSO, mitigations=off Yields No Benefit On Ryzen 9000 Series - Phoronix

AMD Zen 5 Not Affected By Inception/SRSO, mitigations=off Yields No Benefit On Ryzen 9000 Series