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Matts (1087)

Matts
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I work for MessageLabs [messagelabs.com] in Toronto, ON, Canada. I write spam filters, MTA software, high performance network software, string matching algorithms, and other cool stuff mostly in Perl and C.

Journal of Matts (1087)

Friday September 22, 2006
05:22 PM

bleadperl++

[ #31087 ]

Just did some preliminary testing of bleadperl with some hard-hitting code (spamassassin and some other stuff). It averaged about 10% faster than 5.8.7, which is great news as far as I'm concerned.

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  • For reference, which OS and compiler did you use?

    As I've shown [ngo.org.uk], it can make a big difference.

  • Did you (or could you) do a memory usage comparison too?
    • I could, but our memory usage (for this application) is all taken up by a C library, so I doubt you'd see anything of interest.
  • Oooh. Nice. Thanks for this.

    Does your benchmarking setup make it easy to do any sort of profiling (such as with gprof or cachegrind) to try to indentify where the remaining hotspots are?

    • I guess so, only I don't know what I'm doing so you'd have to give me a guide.

      Also note this was just on one code path repeated 1000 times. Different emails will produce different code paths and presumably different results.