I compared
time perl -wle '$a = $_ & 1 for 1..50_000_000'
with
time perl -wle '$a = $_ % 2 for 1..50_000_000'

The & 1 version is always a little faster.

In reply to Re: &1 is no faster than %2 when checking for oddness. Oh well. by lidden
in thread &1 is no faster than %2 when checking for oddness. Oh well. by diotalevi

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