On Dec 08, 2006, at 9:07 AM, Kem Tekinay wrote:
It started with some friendly ribbing. I have a friend who thinks
that the
answer to all things is "perl," and he goes on and on about its
benefits,
speed, flexibility, etc., etc. Meanwhile, perl code looks to me like
something my cat created when he walked across the keyboard.
Long term maintainability is a big consideration.
I've worked on 2 fairly large projects where Perl was used as a
development language where subsequent maintainers have simply
rewritten large portions because it was simpler than trying to
decipher the code at hand. I know someone will say "Well that's just
because you had guys maintaining code that did not know Perl".
Fortunately on one it was the same guy about 18 months later and he
could not read his own code :)
Perl CAN be used in a nice structured way but that's not the way you
usually see it done. It's often the "barfed punctuation on the
keyboard" style
Imagine my surprise when it took RB a minute to do what perl did in 15
seconds. I'm not surprised that perl is faster, only HOW much
faster it is.
My argument was going to be, "see, difference wasn't that much, and
RB is
much easier to read," but these results make it no contest.
So my question is: Why is RB so much slower? What is it doing
that's making
the difference? And could I do something to close the gap?
I certainly would not have guessed that might be the case.
I'd expect a difference but not 4x slower
How do you evaluate "isNumber" ?
The rest seems pretty straight forward and reasonable
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