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Re: Re: Re: Speed of 5.8.0 versus 5.6.1

by samtregar (Abbot)
on Jul 02, 2003 at 21:09 UTC ( #270960=note: print w/ replies, xml ) Need Help??


in reply to Re: Re: Speed of 5.8.0 versus 5.6.1
in thread Speed of 5.8.0 versus 5.6.1

Around the time 5.8.0 came out there were threads on perl5-porters analyzing the performance of 5.8.0 relative to earlier releases. My foggy memory of the discussion features the "50%" figure prominently.

-sam


Comment on Re: Re: Re: Speed of 5.8.0 versus 5.6.1
Re^4: Speed of 5.8.0 versus 5.6.1
by adrianh (Chancellor) on Jul 03, 2003 at 10:03 UTC

    The only performance issues that I'm aware of in 5.8 are:

    • The debugger can be a lot slower in 5.8. I think this has already been fixed in bleadperl.
    • There is a new hashing algorithm which may give worse behaviour in some circumstances. In general however it should give better performance.
    • The pervasive unicode support can slow things down (e.g. regexes on unicode are slower than regexes on ASCII) - but you can switch that off.

    There were, of course, a lot of performance enhancements in 5.8 too.

    So it comes down to what you do. Personally I've not noticed any performance difference.

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