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May 21 2009

Thibault Imbert writes at ByteArray.org about Faster JPEG Encoding in Flash Player 10:

So what did I do ?

  • I used bitwise operators as much as possible.
  • I replaced all Arrays with Vectors.
  • I used pre-incrementation rather than post-incrementation (thanks Joa for this one ;-) ).
  • I casted to int all my Vector indices access.
  • Other minor stuff you always do to optimize your code :-)

The result: a 300% speedup. Not bad.

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