3 ms·

RE yes’s performance, this old reddit post has a good breakdown. https://old.reddit.com/r/unix/comments/6gxduc/how_is_gnu_yes_so_fast/ https://old.reddit.com/r

• milesvp 6y ago
  Oh, man, I did some firmware writing to an sd card this year. I can’t tell you just how important that 4096 boundary is for sd card performance. Tuning the buffer size to the right multiple of 4096 was important too (especially with only 48k to work with).