linux-kernel - Re: [signal] 4bad58ebc8: will-it-scale.per_thread

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 22 Apr 2021 17:37:18 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Oliver Sang <oliver.sang@...el.com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Oleg Nesterov <oleg@...hat.com>,
        LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
        lkp@...ts.01.org, lkp@...el.com, ying.huang@...el.com,
        feng.tang@...el.com, zhengjun.xing@...el.com
Subject: Re: [signal]  4bad58ebc8:  will-it-scale.per_thread_ops -3.3% regression

Oliver,

On Thu, Apr 22 2021 at 14:02, Oliver Sang wrote:
> On Tue, Apr 20, 2021 at 08:35:06PM +0200, Thomas Gleixner wrote:
>> Confused.
>
> FYI.
> we re-test this, and confirmed the regression persistent. still:
>
> 69995ebbb9d37173 4bad58ebc8bc4f20d89cff95417
> ---------------- ---------------------------
>          %stddev     %change         %stddev
>              \          |                \
>  1.271e+09            -3.3%  1.229e+09        will-it-scale.192.threads
>    6620228            -3.3%    6401749        will-it-scale.per_thread_ops
>  1.271e+09            -3.3%  1.229e+09        will-it-scale.workload

I'll have a look.