From: Ilya Kurdyukov <ilyakurdyukov@basealt.ru>
To: devel@lists.altlinux.org
Subject: Re: [devel] ускорение lzma декомпрессии (XZ Utils)
Date: Tue, 14 Dec 2021 13:11:09 +0700
Message-ID: <0fa6fc86-a5ea-4352-fed9-a600d99e3cb3@basealt.ru> (raw)
In-Reply-To: <3f851d26-9e6f-fb37-add3-d8cfb767d2ca@basealt.ru>
Тестовый пакет для Сизифа: https://git.altlinux.org/tasks/291923/
Коммит с патчем:
http://git.altlinux.org/people/ilyakurdyukov/packages/xz.git
On 14.12.2021 09:53, Ilya Kurdyukov wrote:
>
>> Пожалуйста, пришлите какие команды надо запустить, чтоб собрать и
>> протестировать то, что вам нужно.
> git clone git://git.altlinux.org/gears/x/xz.git
> cd xz
> patch -p1 < faster_lzma_decoder_x86.patch
>
> Патч здесь:
>
> > https://gist.github.com/ilyakurdyukov/f514418f3affd677e1ac408ec0c09188
>
> Далее собираем через hasher, или:
> ./autogen.sh --no-po4a
> ./configure
> make all
>
> Проверить можно так:
>
> 1) Исходники ядра линукс:
>
> https://fossies.org/linux/kernel/v5.15/linux-5.15.7.tar.xz
>
> time -p src/xz/xz -d < linux-5.15.7.tar.xz > /dev/null
>
> 2) Бинарники и ресурсы Firefox (можно заменить на несколько сотен
> мегабайт других):
>
> tar -cf firefox.tar /usr/lib/firefox
> src/xz/xz -c -7e --format=lzma firefox.tar > firefox.tar.lzma
>
> time -p src/xz/xz -d < firefox.tar.lzma > /dev/null
>
>
> Частоту процессора перед проверкой надо на максимум ставить. Или
> запускать тест несколько раз подряд, результат первого запуска выбросить.
>
> Также более точный замер:
>
> perf stat -r 5 src/xz/xz -c -d firefox.tar.lzma > /dev/null
>
>
> На сжатом тексте даёт наименьшее ускорение.
>
>
> _______________________________________________
> Devel mailing list
> Devel@lists.altlinux.org
> https://lists.altlinux.org/mailman/listinfo/devel
next prev parent reply other threads:[~2021-12-14 6:11 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
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 [this message]
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
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