I agree that by using threads more often perl threads will get better.
Maybe I will use threads more often - but right now there is no pushing need for me on that, and also I still have an impression that I am paying too much a price for threads - (10% slowdown for running ordinary scripts and increased complexity of scripts)
I know nothing about DNA processing and so could be unaware of some hidden quirks on that. You know better.
but yor example do not convince me much.
Obviously - your 'fuzzy' sub will be much faster in C (or in XS), but even better than that - there are fuzzy string matchers C libraries, that should work better.
you're reinventing something in pure-perl, while there are number of possibilities:
- TRE, POSIX-compliant regexp engine that allows fuzzy matches, and has wrapper around it
-
http://search.cpan.org/~jgoldberg/Text-LevenshteinXS-0.03/LevenshteinXS.pm
- http://search.cpan.org/~jhi/String-Approx-3.26/Approx.pm
- etc
all these are fast and (hopefully) well-tested.
But - left aside your current implementation of some fuzzy matches - I have a conclusion, that - maybe you could create an example where perl program could benefit from being threaded.
For me, this is not so - in my real life - non-threaded perl is better - because it is faster - and I, personally, never benefit from threads in perl.
Having said that,
I will remain your friend with non-threaded perl
:)
:)
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