[Bug 224160] wc -c is slow

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=224160

--- Comment #1 from Wolfram Schneider <wosch at FreeBSD.org> ---
In case you don’t want download 61GB for testing, here is a much simpler test
case using dd(1)

# FreeBSD wc
$ dd if=/dev/zero of=/dev/stdout bs=1m count=2000 | time wc -c
2000+0 records in
2000+0 records out
2097152000 bytes transferred in 9.587758 secs (218732260 bytes/sec)
 2097152000
        9.58 real         9.15 user         0.39 sys

# GNU wc
$ dd if=/dev/zero of=/dev/stdout bs=1m count=2000 | time gwc -c
2000+0 records in
2000+0 records out
2097152000 bytes transferred in 0.821867 secs (2551693015 bytes/sec)
2097152000
        0.82 real         0.04 user         0.40 sys

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