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bascule's profile
Tony Arcieri
Tony Arcieri
Tony Arcieri
@bascule

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Tony Arcieri

@bascule

Co-founder @iqlusioninc, formerly @square @chain. Cryptography dilettante, polyglot programmer, key management wrangler, and infrastructure security specialist

San Francisco, CA
tonyarcieri.com
Joined May 2007

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    1. Michael Foord‏ @voidspace 19 Mar 2013
      Replying to @bascule

      @bascule @headius @alex_gaynor the basic multicore concurrency framework for Python is multiprocessing and it's included! Well used.

      1 reply 0 retweets 0 likes
    2. Tony Arcieri‏ @bascule 19 Mar 2013
      Replying to @voidspace

      @voidspace @headius @alex_gaynor and it's a shitty, hackish, extremely limited workaround for the GIL. Comes nowhere close to JRuby

      1 reply 0 retweets 1 like
    3. Michael Foord‏ @voidspace 19 Mar 2013
      Replying to @bascule

      @bascule troll EOF

      2 replies 0 retweets 0 likes
    4. Tony Arcieri‏ @bascule 19 Mar 2013
      Replying to @voidspace

      @voidspace *shrug* just the author of a multicore concurrency framework. I like the idea of Jython, but carry on...

      1 reply 0 retweets 0 likes
    5. Chicken Sushi  🍣‏ @envygeeks 19 Mar 2013
      Replying to @bascule

      @bascule @voidspace Jython and IronPython are really the only GIL free impl but you can always use threading (meh) or http://docs.python.org/dev/library/concurrent.futures.html …

      1 reply 0 retweets 0 likes
    6. richö butts‏ @rich0H 19 Mar 2013
      Replying to @envygeeks

      @envygeeks @bascule @voidspace Threading you're still bound by the GIL (Not a problem if you're hitting lots of C). Stackless is badass

      2 replies 0 retweets 0 likes
    7. Tony Arcieri‏ @bascule 19 Mar 2013
      Replying to @rich0H

      @rich0H @envygeeks @voidspace is Stackless multicore?

      1 reply 0 retweets 0 likes
    8. richö butts‏ @rich0H 19 Mar 2013
      Replying to @bascule

      @bascule @envygeeks @voidspace Evidently not, though personally I'd prefer mutliple stackless processes to one running JVM. (personal pref)

      1 reply 0 retweets 0 likes
    9. Tony Arcieri‏ @bascule 19 Mar 2013
      Replying to @rich0H

      @rich0H @envygeeks @voidspace yeah, that's what I thought. I like shared heaps FOR SPEED!

      2 replies 0 retweets 0 likes
    10. richö butts‏ @rich0H 19 Mar 2013
      Replying to @bascule

      @bascule @envygeeks @voidspace I prefer IPC like sendfile(2) over shared heaps. That's personal though, not "this is better than that".

      1 reply 0 retweets 0 likes
      Tony Arcieri‏ @bascule 19 Mar 2013
      Replying to @rich0H

      @rich0H @envygeeks @voidspace there's a lot more complexity and inefficiency with that kind of approach, but it has some merits

      9:33 PM - 19 Mar 2013
      1 reply 0 retweets 0 likes
        1. New conversation
        2. richö butts‏ @rich0H 19 Mar 2013
          Replying to @bascule

          @bascule @envygeeks @voidspace inefficiency? MMU dependant I guess. scales across machines transpaently, but both valid. Case by case imo.

          1 reply 0 retweets 0 likes
        3. Tony Arcieri‏ @bascule 19 Mar 2013
          Replying to @rich0H

          @rich0H @envygeeks @voidspace having separate heaps per process and requiring context switches to copy data between procs is slow

          2 replies 0 retweets 0 likes
        4. richö butts‏ @rich0H 19 Mar 2013
          Replying to @bascule

          @bascule @envygeeks @voidspace sendfile(2). Zero copy. If you're multicore there's no context switch.

          1 reply 0 retweets 0 likes
        5. Tony Arcieri‏ @bascule 19 Mar 2013
          Replying to @rich0H

          @rich0H @envygeeks @voidspace o_O I'm a big fan of sendfile but it's not really comparable to a lock-free data structure on a shared heap

          1 reply 0 retweets 0 likes
        6. richö butts‏ @rich0H 19 Mar 2013
          Replying to @bascule

          @bascule @envygeeks @voidspace I'm not saying "Shared heaps are bad". I'm saying they're not a magic bullet, and it's case by case.

          1 reply 0 retweets 0 likes
        7. Tony Arcieri‏ @bascule 19 Mar 2013
          Replying to @rich0H

          @rich0H @envygeeks @voidspace they're definitely more efficient. I'd challenge you to write something like Disruptor without one

          1 reply 0 retweets 0 likes
        8. richö butts‏ @rich0H 19 Mar 2013
          Replying to @bascule

          @bascule @envygeeks @voidspace So that's a case where they're more efficient? Which part of "case by case" was hard?

          2 replies 0 retweets 0 likes
        9. Tony Arcieri‏ @bascule 19 Mar 2013
          Replying to @rich0H

          @rich0H @envygeeks @voidspace IMO VMs that can't utilize multiple cores natively are not long for this world, at least for serious apps

          1 reply 0 retweets 0 likes
        10. 7 more replies

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