7-zip (p7zip) によるベンチマークを比較してみたんだけど、RaspBSDはCPUクロックが低空飛行の状態っぽい
思ったよりも開発途上なんだな
ラズパイゼロも内蔵Wifi/btは動かないみたいだし
https://wiki.freebsd.org/arm64/rpi3
https://wiki.freebsd.org/FreeBSD/arm/Raspberry%20Pi

◆◆ RaspBSD-rpi3 (64bit モード) (7zのdict 24,25はコケるため23のみ)

% uname -v ; 7z b -md23
FreeBSD 12.0-CURRENT #0 r320146M: Tue Jun 20 09:59:03 MDT 2017 raspberry@hive.raspbsd.org:/usr/home/brd/rpi3/crochet/work/obj/arm64.aarch64/usr/src/sys/GENERIC

7-Zip [64] 16.02 : Copyright (c) 1999-2016 Igor Pavlov : 2016-05-21
p7zip Version 16.02 (locale=ja_JP.UTF-8,Utf16=on,HugeFiles=on,64 bits,4 CPUs LE)

CPU Freq: 598 598 598 598 598 598 598 598

Dict   Speed Usage  R/U Rating |   Speed Usage  R/U Rating
23:    1004  282  363  1024 |   23482  370  549  2032

◆◆ Raspbian-rpi3 (dmesgにもARMv7と出てるから多分32bitモード)

$ uname -srvmo ; 7z b
Linux 4.9.41-v7+ #1023 SMP Tue Aug 8 16:00:15 BST 2017 armv7l GNU/Linux

7-Zip [32] 16.02 : Copyright (c) 1999-2016 Igor Pavlov : 2016-05-21
p7zip Version 16.02 (locale=C.UTF-8,Utf16=on,HugeFiles=on,32 bits,4 CPUs LE)

CPU Freq: 592 1032 1191 1193 1193 1193 1193 1193 1193

Dict   Speed Usage  R/U Rating |   Speed Usage  R/U Rating
23:    1764  323  557  1797 |   55186  392  1217  4775
25:    1679  342  561  1918 |   45057  383  1047  4010