Hacker News Reader

Does it parse commands and call exec*() or spawn a new shell for every run of every command?

You can choose the behaviour with the --shell option¹. The default behaviour is nice because it allows you to benchmark pipelines easily, but if you want to change it you can.

¹ https://github.com/sharkdp/hyperfine#intermediate-shell

Reply on news.ycombinator.com