I like pv and find myself using it when bziping large files (where the blocker is bzip). It must have a negative impact on the speed of a copy. *Hmmm, I can't

I like pv and find myself using it when bziping large files (where the blocker is bzip). It must have a negative impact on the speed of a copy. *Hmmm, I can't back up my own predictions: cp huge blah 0.11s user 7.94s system 6% cpu 2:12.54 total pv < huge > something 0.12s user 8.10s system 7% cpu 1:54.86 total