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Date: Mon, 1 Aug 2016 14:25:06 +0300
From: Slawa Olhovchenkov <slw@zxy.spb.ru>
To: Andriy Gapon <avg@FreeBSD.org>
Cc: Mateusz Guzik <mjguzik@gmail.com>, freebsd-current@FreeBSD.org
Subject: Re: [PATCH] randomized delay in locking primitives, take 2
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On Mon, Aug 01, 2016 at 02:16:59PM +0300, Andriy Gapon wrote:

> 
> Mateusz,
> 
> just out of curiosity, have you tried to explore alternative spinlock
> implementations like a ticket lock?   It would be interesting to see if
> there are any improvements to be gained there.

Effective ticket lock implementation as I see limited to 256 (255?)
concurent locks. And anyway may be need randomize delay (QPI bus on
x86 have very limited performance).