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documentation:technical_docs:performance [2019/11/21 17:24] – [Choosing good FreeBSD release] olivierdocumentation:technical_docs:performance [2019/11/21 17:27] – [Disabling Hyper Threading] olivier
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 BSDRP is currently following FreeBSD 12-stable branch, to try to have a mix between recent features and stability. BSDRP is currently following FreeBSD 12-stable branch, to try to have a mix between recent features and stability.
-==== Disabling Hyper Threading ====+==== Disabling Hyper Threading (HT) ====
  
-Disable Hyper Threading (HT): By default, lot's of multi-queue NIC drivers create one queue per core. +By default, lot's of multi-queue NIC drivers create one queue per core. 
-But "logical" cores didn't help at all for managing interrupts generated by high speed NIC.+But "logical" cores didn't help at all for managing interrupts generated by high speed NIC (this is not true on 13-head since [[https://svnweb.freebsd.org/base?view=revision&revision=354338|r354338]] and the new machdep.hyperthreading_intr_allowed that allow interrupts on HTT logical CPUs.
  
 HT can be disabled with this command: HT can be disabled with this command:
documentation/technical_docs/performance.txt · Last modified: 2020/01/18 01:04 by olivier

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