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Date:      Thu, 9 Mar 2017 14:09:19 -0500
From:      Anton Yuzhaninov <citrin+bsd@citrin.ru>
To:        freebsd-net@freebsd.org
Subject:   Re: about that DFBSD performance test
Message-ID:  <7d02f9f3-8dd3-9dc9-56d6-be9a34b49750@citrin.ru>
In-Reply-To: <20170308150346.GA32269@dft-labs.eu>
References:  <b91a6e40-9956-1ad9-ac59-41a281846147@norma.perm.ru> <CAK7dMtDiT-PKyy5LkT1WEg5g-nwqv501F=Ap4dNCdwzwr_1dqA@mail.gmail.com> <20170308125710.GS15630@zxy.spb.ru> <20170308150346.GA32269@dft-labs.eu>

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On 03/08/17 10:03, Mateusz Guzik wrote:
> First and foremost there is general kernel scalability. Certain counters
> and most locks are purely managed with atomic operations. An atomic
> operation grabs the entire cacheline with the particular variable (64
> bytes in total) in exclusive mode.

Isn't problem of atomic counters was solved by counter(9) framework?



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