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From: Konstantin Osipov <kostja.osipov@gmail.com>
To: Alexander Turenko <alexander.turenko@tarantool.org>
Cc: tarantool-patches@dev.tarantool.org
Subject: Re: [Tarantool-patches] [PATCH 1/2] box: make box.cfg idempotent function
Date: Wed, 6 May 2020 16:02:09 +0300	[thread overview]
Message-ID: <20200506130209.GC1859@atlas> (raw)
In-Reply-To: <20200506125307.2eixpz4x64i2sfcm@tkn_work_nb>

* Alexander Turenko <alexander.turenko@tarantool.org> [20/05/06 15:58]:
> On Wed, May 06, 2020 at 02:49:21PM +0300, Konstantin Osipov wrote:
> > * Alexander Turenko <alexander.turenko@tarantool.org> [20/05/06 14:17]:
> > > https://gist.github.com/Totktonada/407855389ed4da93bf0175cf8a11c7b9
> > > 
> > > I made those measurements on fixed CPU frequency and 10 times run each
> > > implementation 10 times: 300 runs at whole. I see that results becomes
> > > worse for all implementations from run to run. Looks strange.
> > 
> > Try with jit off?
> 
> Are there any production setup with jit.off()? This measurement would be
> artificial I think.

Why do you think you can assume that this trace will be jited in production?

> Anyway, I collected the results and they are quite noisy again (~10%
> variation). I would not say anything based on them. But in average ffi
> call gives -0.5% (worse) and ffi call with caching -1.0% from the
> baseline (master). Maybe it is just noise.
> 
> WBR, Alexander Turenko.

-- 
Konstantin Osipov, Moscow, Russia
https://scylladb.com

  reply	other threads:[~2020-05-06 13:02 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-14 11:50 [Tarantool-patches] [PATCH] box.execute should be immutable function Maria
2019-11-14 16:51 ` Nikita Pettik
2019-12-17 14:39 ` Igor Munkin
2019-12-24 15:32   ` [Tarantool-patches] [PATCH] box: make box.execute() immutable Maria Khaydich
2019-12-25  1:30     ` Igor Munkin
2019-12-26 14:08     ` Alexander Turenko
2020-01-13 12:13       ` Maria Khaydich
2020-01-13 15:48         ` Igor Munkin
2020-01-18 10:56           ` Maria Khaydich
2020-02-20 17:51             ` Alexander Turenko
2020-02-20 21:15               ` Igor Munkin
2020-03-11 15:56               ` Maria Khaydich
2020-03-18 22:25                 ` Igor Munkin
2020-05-02 14:52                   ` Alexander Turenko
2020-05-12 16:16                 ` Alexander Turenko
2020-03-11 15:57               ` [Tarantool-patches] [PATCH 1/2] box: make box.cfg idempotent function Maria Khaydich
2020-03-12 13:29                 ` Konstantin Osipov
2020-03-12 19:25                   ` Maria Khaydich
2020-03-12 20:00                     ` Konstantin Osipov
2020-03-18 22:26                       ` Igor Munkin
2020-03-19  7:19                         ` Konstantin Osipov
2020-03-19  9:08                           ` Igor Munkin
2020-03-19 10:06                             ` Konstantin Osipov
2020-03-19 10:26                               ` Igor Munkin
2020-05-06 11:17                           ` Alexander Turenko
2020-05-06 11:49                             ` Konstantin Osipov
2020-05-06 12:53                               ` Alexander Turenko
2020-05-06 13:02                                 ` Konstantin Osipov [this message]
2020-05-06 13:13                                   ` Alexander Turenko
2020-03-18 22:26                 ` Igor Munkin
2020-05-12 16:17                   ` Alexander Turenko

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