From: Leonid Krivoshein <klark.devel@gmail.com>
To: devel@lists.altlinux.org
Subject: Re: [devel] Аппаратный AES и наш p7zip
Date: Sun, 26 Apr 2020 12:55:32 +0300
Message-ID: <c2da1d09-20fa-645d-673f-b518de1d9ecf@gmail.com> (raw)
In-Reply-To: <eee9d35e-a6e7-4a1c-6dca-488aad2889c4@altlinux.org>
22.04.2020 23:09, Andrey Cherepanov пишет:
>
> cas ~ # lscpu | grep -ow aes
> aes
> cas ~ # 7z b -mm=AES256CBC:2
>
> 7-Zip [64] 16.02 : Copyright (c) 1999-2016 Igor Pavlov : 2016-05-21
> p7zip Version 16.02 (locale=ru_RU.UTF-8,Utf16=on,HugeFiles=on,64
> bits,4 CPUs x64)
>
> x64
> CPU Freq: 64000000 - - 64000000 - - - - -
>
> RAM size: 3833 MB, # CPU hardware threads: 4
> RAM usage: 882 MB, # Benchmark threads: 4
>
> Compressing | Decompressing
> Dict Speed Usage R/U Rating | Speed Usage R/U Rating
> KiB/s % MIPS MIPS | KiB/s % MIPS MIPS
>
> 22:
>
>
> System ERROR:
> E_NOTIMPL
>
> # lsmod | grep aes
> aesni_intel 372736 10
> crypto_simd 16384 1 aesni_intel
> glue_helper 16384 1 aesni_intel
>
> Кто может пояснить, почему у нас этот тест не срабатывает?
>
По-моему, потому что надо использовать третий, а не второй на этом железе:
AES256CBC:1 - software AES
AES256CBC:2 - hardware AES-NI supported by most modern CPUs
AES256CBC:3 - hardware VAES (Vector AES) supported only by new Intel Ice
Lake
$ 7z b -mm=AES256CBC:2
7-Zip [64] 15.09 beta : Copyright (c) 1999-2015 Igor Pavlov : 2015-10-16
p7zip Version 15.09 beta (locale=ru_RU.utf8,Utf16=on,HugeFiles=on,64
bits,8 CPUs x64)
x64
CPU Freq: 2542 2781 3024 3280 3380 3377 3373 3359 3173
RAM size: 32051 MB, # CPU hardware threads: 8
RAM usage: 1701 MB, # Benchmark threads: 8
Compressing | Decompressing
Dict Speed Usage R/U Rating | Speed Usage R/U Rating
KiB/s % MIPS MIPS | KiB/s % MIPS MIPS
22:
System ERROR:
E_NOTIMPL
$ 7z b -mm=AES256CBC:3
7-Zip [64] 15.09 beta : Copyright (c) 1999-2015 Igor Pavlov : 2015-10-16
p7zip Version 15.09 beta (locale=ru_RU.utf8,Utf16=on,HugeFiles=on,64
bits,8 CPUs x64)
x64
CPU Freq: 2533 2776 2996 3313 3296 3370 3364 3326 3295
RAM size: 32051 MB, # CPU hardware threads: 8
RAM usage: 1701 MB, # Benchmark threads: 8
Compressing | Decompressing
Dict Speed Usage R/U Rating | Speed Usage R/U Rating
KiB/s % MIPS MIPS | KiB/s % MIPS MIPS
22: 920054 795 2842 22611 | 893816 783 2805 21966
23: 867794 796 2680 21327 | 857621 781 2699 21077
24: 819505 774 2603 20140 | 839577 786 2626 20633
25: 817169 783 2564 20083 | 837326 792 2597 20578
---------------------------------- | ------------------------------
Avr: 787 2672 21040 | 786 2682 21064
Tot: 786 2677 21052
$ lscpu | grep -ow aes
aes
--
Best regards,
Leonid Krivoshein.
next prev parent reply other threads:[~2020-04-26 9:55 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-22 22:48 ` Alexey V. Vissarionov
2020-04-23 5:36 ` Andrey Cherepanov
2020-04-23 5:57 ` Alexey V. Vissarionov
2020-04-26 9:55 ` Leonid Krivoshein [this message]
2020-04-26 11:45 ` Alexey V. Vissarionov
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