On 10 Jul 2006, at 17:35, Bill Marriott wrote:
Oh, that's *very* interesting, especially the hang/lockup part! I'm
going to
have to play with this a little bit.
Hard to beat 7 milliseconds vs. 6.5 seconds!
Not to disparage regexes, but everytime I see one of these neat one-
line regex solutions on the list, and it's something that I might
make use of, I seem to find that when used either many times in a
loop, or just on a lot of data, it turns out be at least quite a lot
slower than some function that uses Revs chunk expressions/repeat for
loops.
I have no idea how efficient the PCRE library is, or how efficiently
Rev uses that library, but it usually seems to be enough of a
noticeable difference that I stick with the pure Revolution solution.
Just goes to show that shorter code is often not faster code.
I think this is particularly true of high-level scripting languages
like Revolution. I couldn't even guess what actual sequence of
machine instructions is executed when I run a script. Fortunately, I
very rarely would need to know, since it'll generally be quite fast
enough for most purposes.
Best,
Mark
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