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From:
"Ted Unangst" <tedu@tedunangst.com>
Subject:
Re: Use a FIFO for the reaper
To:
"Martin Pieuchot" <mpi@grenadille.net>
Cc:
tech@openbsd.org
Date:
Thu, 15 May 2025 14:06:39 -0400

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On 2025-05-14, Martin Pieuchot wrote:
> Instead of adding dead threads at the head of the deadproc list insert
> them at the tail.
> 
> This improve latency and reduce variance when building with 24 CPUs.

Any theories why? I would think, if it mattered, a LIFO would be more
cache friendly.