> Regex has been around a long time
> and lots of smart computer science types has
> spent time coming up with ways to optimize its performance for pattern
> matching.
That's was true, it's still true and will always be true!
and here are some benchmarks
done in a late rainy sunday evening:
* Regex2 faster than Chunk by: 2.1 times*
For the details:
1) Regex1 is the original regex, Chunk1 is from Richard, Regex2 is mine.
2) You can noticed the difference in time depending on the value of pPage
( that's a normal behavior with regex)
3) I've done the calculation the same way as Richard did, so you can compare
****** aPage = 1, Same? true true
Regex1: 8943 ms
Chunk1: 210 ms
Regex2: 99 ms
Regex2 faster than orig regex by: 90.3 times
Regex2 faster than Chunk by: 2.1 times
****** aPage = 2, Same? true true
Regex1: 9946 ms
Chunk1: 212 ms
Regex2: 100 ms
Regex2 faster than orig regex by: 99.5 times
Regex2 faster than Chunk by: 2.1 times
****** aPage = 3, Same? true true
Regex1: 4451 ms
Chunk1: 210 ms
Regex2: 98 ms
Regex2 faster than orig regex by: 45.4 times
Regex2 faster than Chunk by: 2.1 times
****** aPage = 4, Same? true true
Regex1: 11465 ms
Chunk1: 200 ms
Regex2: 98 ms
Regex2 faster than orig regex by: 117 times
Regex2 faster than Chunk by: 2 times
****** aPage = 5, Same? true true
Regex1: 11457 ms
Chunk1: 201 ms
Regex2: 94 ms
Regex2 faster than orig regex by: 121.9 times
Regex2 faster than Chunk by: 2.1 times
Kind regards,
Thierry
------------------------------------------------
Thierry Douez - http://sunny-tdz.com
sunnYrex - sunnYtext2speech - sunnYperl - sunnYmidi - sunnYmage
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