png decoder optimization

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baibaichen
Posts: 11
Joined: 2010-03-23T20:32:14-07:00
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png decoder optimization

Post by baibaichen »

Hi
Does anyone has experience on improving png decoder optimization by either changing libpng build parameter or IM options. from what i test, IM is much slower(1.25~1.6 times) than WIC in case of decoding larger PNG file(3000X2000).

thanks
Chang
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