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GCC Patch Adjusting AMD Zen 5 Misprediction Cost Nets 12% Win In Benchmark

An AMD compiler engineer posted a patch on Saturday for the GNU Compiler Collection (GCC). The two-line patch adjusts the misprediction cost for Zen 4 and Zen 5 processors, which ends up yielding a 12% improvement in one SPEC CPU benchmark on Zen 5 and a 9% improvement on Zen 4...

We haven't written up this one. Phoronix has the full story — the link below goes straight to it.

Read the original at phoronix.com →

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