AFAICS, there is currently a (small) performance overhead. If that
overhead ever matters in practice, we could introduce a "fast path" in
the implementation of the metrics vector. It should be a fairly easy
and straight forward change. PRs welcome. :o)
--
Björn Rabenstein
[PGP-ID] 0x851C3DA17D748D03
[email]
bjo...@rabenste.in