[Bug 207022] stat() 4 to 16 times slower on FreeBSD/UFS than on Linux/Ext4

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=207022

--- Comment #16 from Ed Maste <emaste@freebsd.org> ---
(In reply to Dmitry Chagin from comment #15)
In particular,

> I did some benching by running 20 processes in parallel, each doing stat
> on a tree of 1 million files (one tree per proc, 1000 dirs x 1000 files,
> so 20 mln inodes in total).  Box had 24 cores and 24G RAM.
> 
> Best times:
> Linux:          7.60s user 1306.90s system 1863% cpu 1:10.55 total
> FreeBSD:        3.49s user 345.12s system 1983% cpu 17.573 total
> OpenBSD:        5.01s user 6463.66s system 2000% cpu 5:23.42 total
> DragonflyBSD:   11.73s user 1316.76s system 1023% cpu 2:09.78 total
> OmniosCE:       9.17s user 516.53s system 1550% cpu 33.905 total

From https://lore.kernel.org/linux-fsdevel/20231019155958.7ek7oyljs6y44ah7@f/

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