The speed of Array vs. Hash element access is partially addressed by
commit c10792f8. Before this commit, each Array element access via
.at_pos($pos) resulted in an expensive call to self.exists($pos) for
each access, whereas Hash element accesses via .at_key($key) were
able to use nqp::exists
# New Ticket Created by "Carl Mäsak"
# Please include the string: [perl #111848]
# in the subject line of all future correspondence about this issue.
# https://rt.perl.org:443/rt3/Ticket/Display.html?id=111848 >
r: my $t = now; my @a; @a[ $_ ] = $_ for 1 .. 1e4; print now - $t
rakudo 1968b8
