From: Andrey Savchenko <bircoph@altlinux.org>
To: ALT Linux Team development discussions <devel@lists.altlinux.org>
Subject: Re: [devel] ускорение lzma декомпрессии (XZ Utils)
Date: Mon, 13 Dec 2021 21:59:00 +0300
Message-ID: <20211213215900.4f1a71bb7107d47bacb69c50@altlinux.org> (raw)
In-Reply-To: <20211213194920.c48ea68e137ee1325f3a3144@altlinux.org>
[-- Attachment #1: Type: text/plain, Size: 1365 bytes --]
On Mon, 13 Dec 2021 19:49:20 +0300 Andrey Savchenko wrote:
> On Mon, 13 Dec 2021 22:42:17 +0700 Ilya Kurdyukov wrote:
> > А можно помочь и без ехидства? Мне нужно проверить на разных
> > процессорах, прежде чем предлагать в апстрим. Чтобы так не оказалось,
> > что это у меня такие хорошие результаты, а на каких-то процессорах замедлит.
>
> Я проверю на x86 (Intel Atom N270). Займёт некоторое время, т.к.
> машина старенькая и слабенькая. Проверю распаковку имеющихся под
> рукой исходников ядра и бинарного пакета firefox (там zstd,
> перепакую в xz -9e --x86).
old,s new,s delta,%
kernel src 33.522±0.077 32.515±0.087 3.01±0.34
firefox pkg 14.645±0.030 14.256±0.023 2.66±0.25
Погрешности приведены для одного стандартного отклонения.
Тесты делались на tmpfs для уменьшения эффекта i/o.
Результат небольшой, но значимый и статистически достоверный.
Best regards,
Andrew Savchenko
[-- Attachment #2: Type: application/pgp-signature, Size: 833 bytes --]
next prev parent reply other threads:[~2021-12-13 18:59 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-13 1:52 ` [devel] [#291873] EPERM (try 2) rpmrebuild-arepo.git=3.1.13-alt1 Dmitry V. Levin
2021-12-13 1:56 ` Vitaly Lipatov
2021-12-13 9:02 ` [devel] ускорение lzma декомпрессии (XZ Utils) Ilya Kurdyukov
2021-12-13 11:59 ` Ilya Kurdyukov
2021-12-13 14:52 ` Ilya Kurdyukov
2021-12-13 15:08 ` Vitaly Chikunov
2021-12-13 15:42 ` Ilya Kurdyukov
2021-12-13 16:49 ` Andrey Savchenko
2021-12-13 18:59 ` Andrey Savchenko [this message]
2021-12-14 3:16 ` Ilya Kurdyukov
2021-12-13 16:58 ` Vitaly Chikunov
2021-12-14 2:53 ` Ilya Kurdyukov
2021-12-14 6:11 ` Ilya Kurdyukov
2021-12-14 7:25 ` Ilya Kurdyukov
2021-12-14 15:22 ` Andrey Savchenko
2021-12-14 17:12 ` Alexey V. Vissarionov
2021-12-14 17:34 ` Andrey Savchenko
2021-12-15 1:07 ` Alexey V. Vissarionov
2021-12-15 7:29 ` Ilya Kurdyukov
2021-12-15 15:55 ` Andrey Savchenko
2021-12-15 15:57 ` Andrey Savchenko
2021-12-16 4:22 ` Ilya Kurdyukov
2021-12-14 0:22 ` [devel] [#291873] EPERM (try 2) rpmrebuild-arepo.git=3.1.13-alt1 Dmitry V. Levin
2021-12-14 5:04 ` Alexey V. Vissarionov
2021-12-14 8:57 ` Dmitry V. Levin
2021-12-14 17:31 ` Vitaly Lipatov
2021-12-14 20:50 ` Dmitry V. Levin
2021-12-14 22:44 ` Vitaly Lipatov
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20211213215900.4f1a71bb7107d47bacb69c50@altlinux.org \
--to=bircoph@altlinux.org \
--cc=devel@lists.altlinux.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
ALT Linux Team development discussions
This inbox may be cloned and mirrored by anyone:
git clone --mirror http://lore.altlinux.org/devel/0 devel/git/0.git
# If you have public-inbox 1.1+ installed, you may
# initialize and index your mirror using the following commands:
public-inbox-init -V2 devel devel/ http://lore.altlinux.org/devel \
devel@altlinux.org devel@altlinux.ru devel@lists.altlinux.org devel@lists.altlinux.ru devel@linux.iplabs.ru mandrake-russian@linuxteam.iplabs.ru sisyphus@linuxteam.iplabs.ru
public-inbox-index devel
Example config snippet for mirrors.
Newsgroup available over NNTP:
nntp://lore.altlinux.org/org.altlinux.lists.devel
AGPL code for this site: git clone https://public-inbox.org/public-inbox.git