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pv is written in perl so isn't the snappiest, I'm surprised to see it score so highly. I wonder what the initial speed would have been if it just wrote to /dev/null

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It's not written in perl, it's written in C, and it uses splice() (one of the syscalls discussed in the post).

Definitely C, per what appears to be the official repo (linking the splice syscall) - https://github.com/icetee/pv/blob/master/src/pv/transfer.c#L...

I was totally wrong. Thank you for showing me the facts.

Confused with parallel, maybe?

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