4 ms·
Interestingly I tried this as well and was disappointed with the results: yes $(printf %1024s | tr " " "y") | pv > /dev/null About the same throughput as le
by fukka42 11mo ago
Interestingly I tried this as well and was disappointed with the results:
yes $(printf %1024s | tr " " "y") | pv > /dev/null
About the same throughput as letting yes output a single character. I guess Unix pipes are slow.
- 1718627440 11mo ago> I guess Unix pipes are slow. Or string concatenation, or pipeviewer.
- fukka42 11mo agoyes doesn't do string concatenation, at least not in the loop that matters. It just prepares a buffer of bytes once and writes it to stdout repeatedly. https://github.com/coreutils/coreutils/blob/master/src/yes.c https://github.com/coreutils/coreutils/blob/master/src/yes.c
- eru 11mo agoCompare https://codegolf.stackexchange.com/questions/199528/fastest-yes-in-the-west https://codegolf.stackexchange.com/questions/199528/fastest-...