Re: [PATCH] uniq: avoid locking standard output when printing line counts with -c

[Pádraig Brady]

On 26/06/2026 05:11, Collin Funk wrote:

This increases throughput on systems with unlocked stdio functions.
E.g., 2.5x in the following case:

     $ timeout 1m taskset 1 shuf -r -i 0-100 \
         | taskset 2 uniq -c \
         | taskset 3 pv -r > /dev/null
     [ 100MiB/s]
     $ timeout 1m taskset 1 shuf -r -i 0-100 \
         | taskset 2 uniq -c \
         | taskset 3 pv -r > /dev/null
     [ 246MiB/s]

Nice speedup!
I wonder could we refactor to a shared numeric output routine.

thanks!
Padraig