I could be wrong, but as I recall, when your program enters a scope,
perl immediatly identifies the the scratchpad to use. Then, it need
only search backwards up the tree of scratchpads to find the variable
"$x", which is faster than iterating through the STHASH looking for a
localized or global $x.
I think Mark-Jason Dominus has much more indepth look at the perl
internals on his website... plover.com
Robert Landrum
>Anybody know offhand *why* my() lexicals are supposedly faster?
>If they're stored on a scratchpad for the scope, which is an array,
>(technically a stack of them to accommodate recursion,) then exactly
>how does Perl go about finding which data location you mean when you
>say $x for a lexical? $::x has to go through the package lookup, which
>(if I recall correctly) is technically a hash element of a hash element
>at least......but if the scratchpad has a lot of scope-specific
>lexicals, how does it find which one is x?
>
>my $brain = 'tapioca'; #=o)
>
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