bench

[Contains abstract features]

benchmark f for milli_seconds (1s warm up)

only completed iterations are counted, any iterations started before
the one second warmup has elapsed are not counted either

returns: iterations per second

0.094dev (2025-06-18 15:08:51 GIT hash 89cffc23ae669b0898a5564fefbf793fcb8e5ca7 built by fridi@fzen)