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Re: Improve processing time for string substitutions

by Krambambuli (Curate)
on Apr 16, 2007 at 14:35 UTC ( [id://610361]=note: print w/replies, xml ) Need Help??


in reply to Improve processing time for string substitutions

I'm having difficulties in understanding the exact form of the entities - is it just my browser/setup or is something wrong with the formatting ?

I'd be anxious to know what Benchmark would show about the various speedup suggestions.

If it would be true that the entities content might be separated by successively splitting on '>' and then on '<', replacing the content from the hash and re-joining the modified parts might even beat the regexp-based approach.

Curious.
  • Comment on Re: Improve processing time for string substitutions

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Re^2: Improve processing time for string substitutions
by jhourcle (Prior) on Apr 16, 2007 at 17:40 UTC

    It's unescaped HTML entities:

    I want to convert the entities like &ge, &le, into hexa values &#x2265, &#x2264.

    But, I'll also point out that the actual entity should end in a semicolon. (which prevents issues such as '&or;' matching '&ordf;')

[reply]
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      Well then, it's something like below that might fit.

      Read more... (2 kB)
      The results are interesting: 
      Benchmark: timing 1000 iterations of regexish, with_splitting...
  regexish: 59 wallclock secs (58.16 usr +  0.02 sys = 58.18 CPU) @ 17
+.19/s (n=1000)
with_splitting:  0 wallclock secs ( 0.02 usr +  0.00 sys =  0.02 CPU) 
+@ 50000.00/s (n=1000)
            (warning: too few iterations for a reliable count)

      [download]
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