if any not-low-magic code is encountered
I hope you mean not-low-magic data here!
If I call some low-magic sub passing non-magic arguments I would expect it to run fast under RPerl.
If I call some low-magic sub passing some argument with magic attached I would expect it to run correctly even if not faster.
I would expect that to happen dynamically without me, the programmer, having to worry about where my data comes from or where it goes.
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salva,
You are correct in your assessment that no-magic args (data) passed to a low-magic subroutine (operation) will run faster under RPerl, and magic args passed to a low-magic subroutine will fall back to run slowly and correctly.
When I said "any not-low-magic code", that is in fact what I meant. I was making a general statement that RPerl will fall back to slow high-magic mode whenever any magic data OR magic operations are encountered. Args to subs count as data, the subs count as ops, and any builtins or sub calls inside the sub also count as ops. We're currently extending the use of the term "magic" to include both magic data and ops that do magical'ish things. (See previous comments in this thread about use of the term.) Sorry for any confusion.
If you wonder what counts as "magic" operations, look at The Low-Magic Perl Commandments under the "Operations" section.
Perling,
~ Will
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