A Linux 6.15 Performance Regression Hits Modern AMD CPUs

Posted by bob on Apr 28, 2025 2:43 PM CST
Phoronix; By Michael Larabel 		Mail this story
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Separate from last week in uncovering a big performance regression on Linux 6.15 affecting workloads like Nginx and that regression getting fixed, I unfortunately discovered another heavy-hitting regression on Linux 6.15. This latest performance regression has been bisected and a possible fix is being thought through by the relevant party, but for the moment has yet to be fixed upstream and affects modern AMD processors.

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