[Libre-soc-bugs] [Bug 222] JPEG optimizations

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=222

Jacob Lifshay <programmerjake at gmail.com> changed:

           What    |Removed                     |Added
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       The table of|                            |jacob=0
  payments (in EUR)|                            |
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             Status|CONFIRMED                   |IN_PROGRESS
                 CC|                            |programmerjake at gmail.com
           Assignee|cand at gmx.com                |programmerjake at gmail.com

--- Comment #1 from Jacob Lifshay <programmerjake at gmail.com> ---
I'd like to work on the huffman coding, since that seems like the least
straightforward part that has been SIMD-ified before (all of the other parts
are simple image format conversions or DCT stuff):

SSE2 assembly:
https://github.com/libjpeg-turbo/libjpeg-turbo/blob/2cad2169aeed95569b0e25b0a2abef045a2a4eb9/simd/x86_64/jchuff-sse2.asm
https://github.com/libjpeg-turbo/libjpeg-turbo/blob/2cad2169aeed95569b0e25b0a2abef045a2a4eb9/simd/x86_64/jcphuff-sse2.asm

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