linux-kernel - Re: [PATCH v2] locking/pvqspinlock: Hybrid PV queued/unfair locks

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Message-ID: <20171108082204.GV3165@worktop.lehotels.local>
Date:   Wed, 8 Nov 2017 09:22:04 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Waiman Long <longman@...hat.com>
Cc:     Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
        Paolo Bonzini <pbonzini@...hat.com>,
        Juergen Gross <jgross@...e.com>,
        Radim Krčmář <rkrcmar@...hat.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Eduardo Valentin <eduval@...zon.com>
Subject: Re: [PATCH v2] locking/pvqspinlock: Hybrid PV queued/unfair locks

On Tue, Nov 07, 2017 at 04:18:06PM -0500, Waiman Long wrote:
>   vCPUs         hybrid pvqlock             unfair lock
>   -----         --------------             -----------
>     36     822,135/881,063/950,363    75,570/313,496/  690,465
>     54     542,435/581,664/625,937    35,460/204,280/  457,172
>     72     397,500/428,177/499,299    17,933/150,679/  708,001
>    108     257,898/288,150/340,871     3,085/181,176/1,257,109

> 
> Signed-off-by: Waiman Long <longman@...hat.com>

ACK