Date: Thu, 13 Sep 2018 10:52:08 +0200 From: Dimitry Andric <dim@FreeBSD.org> To: Lev Serebryakov <lev@FreeBSD.org> Cc: current@FreeBSD.org, brnrd@FreeBSD.org, jkim@FreeBSD.org Subject: Re: Speed problems with both system openssl and security/openssl-devel Message-ID: <AAAC5771-4C03-4CA9-ABEA-F019BA10332C@FreeBSD.org> In-Reply-To: <43892083.20180913024646@serebryakov.spb.ru> References: <43892083.20180913024646@serebryakov.spb.ru>
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[-- Attachment #1 --] On 13 Sep 2018, at 01:46, Lev Serebryakov <lev@FreeBSD.org> wrote: > > I'm benchmarking new hardware (rather limited one, but still) which > supports AES-NI (Celeron J3160). > > I'm comparing simple "openssl speed aes-256-cbc" and "openssl speed -evp > aes-256-cbc" on FreeBSD 12-ALPHA4 (built by myself with all debug options > turned off) and Debian Linux 9.5.0 booted from install DVD (without > installation). > > Simple "openssl speed aes-256-cbc" shows same numbers both in > single-threaded and multi-threaded mode (for all 4 cores). Linux is marginally faster, > but it is in the margin of measurement error. > > But "openssl speed -evp aes-256-cbc" gives me very disappointing results. > FreeBSD's openssl is WAY slower than Linux one. It is even slower than > non-evp mode for small blocks. > > Here are results (As reported by openssl, with fractions dropped): > > Lin 18942 20637 21300 57967 58769 58769 > Free 18931 20591 21282 58342 58731 58779 > Lin-evp 97049 151466 183905 194385 197514 197727 > Free-evp 2838 10845 35362 81892 131264 137579 > > Linux have openssl 1.1.0f, and I've tried both system /usr/bin/openssl (1.0.2p) > and /usr/local/bin/openssl from security/openssl-devel port (1.1.0i), results are > virtually the same. I have "ASM" and "SSE2" options enabled in port. > > What happens here? Why does FreeBSD's build of openssl use AES-NI so > inefficient? I can't reproduce your findings, at least not on a Core i7-4790K: type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes FreeBSD 93454 89077 117328 281016 285456 Ubuntu 93405 88892 114192 122346 120266 FreeBSD-evp 633283 688010 700775 701168 700669 Ubuntu-evp 623889 681075 697211 700505 698460 That was with base openssl 1.0.2p on FreeBSD 12-ALPHA5, and 1.1.0g on Ubuntu 18.04. -Dimitry [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.2 iF0EARECAB0WIQR6tGLSzjX8bUI5T82wXqMKLiCWowUCW5olOAAKCRCwXqMKLiCW o/ydAKCCkZKk7NLRwrHC9zybjRVjK8aSkQCfUeG58R6ezFosk0r+YUEBuXEDiPw= =DF2O -----END PGP SIGNATURE-----help
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