Turning off HyperThread by BIOS or kernel?

andras.tim asked: Is there any performance difference between these disabled HyperThread scenarios? Which is the best, and why? Disable HT in BIOS Use noht kernel parameter The high-optimized parallel applications works slower with enabled HT. https://www.percona.com/blog/2015/01/15/hyper-threading-double-cpu-throughput/ Our app runs 13% […]

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