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All the Perl that's Practical to Extract and Report

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  • Isn't wrapping it in plain XS the easier and faster route for anything that goes beyond simple types (which are easy to do with FFI)?

  • Not using FFI, as noted in my previous reply.

    See []

    Documentation doesn't exist yet. My time for this is pretty much exhausted, so people will have to go by the C++ docs of 0MQ2 itself. If somebody was willing to write a little documentation and maybe write some more tests, we could a) release to CPAN and b) advertise this to 0MQ as a Perl interface for inclusion in their list. I think the documentation should be doable in 1-2 hours.

    • Also did some quick timing.

      The basic latency test looks promising. For the native C version from 0MQ (running on the client and server on the same dual-core machine via tcp), I get:

      message size: 10000 [B]
      roundtrip count: 20000
      average latency: 32.631 [us]

      With my Perl client (C server), I get:

      message size: 10000 [B]
      roundtrip count: 20000
      average latency: 40.767 [us]

      I'd say that's pretty damn awesome!

      • PS: the message size and roundtrip count are arbitrary. Even for small messages, the Perl wrapper isn't that much slower.

        Furthemore, Perl server + Perl client comes in at 48.237 [us] latency, which is seems to indicate that wrapping 0MQ with Perl incurs a penalty of 8us each way. Not bad, could be better.

        A Message size of 1 instead of the 10k yields 30us latency for Perl vs Perl.