Toxic Elephant

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Some thoughts on Ruby's speed

Posted by matijs 02/03/2013 at 16h42

Yesterday, I read Alex Gaynor’s slides on dynamic language speed. It’s an interesting argument, but I’m not totally convinced.

At a high level, the argument is as follows, it seems:

  • For a comparable algorithm, Ruby et al. do much more work behind the scenes than ‘fast’ languages such as C.
  • In particular, they do a lot of memory allocation.
  • Therefore, we should add tools to those languages that allow us to do memory allocation more efficiently.

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