FIR optimization

[Dnyarri]

FIR optimization for all method.

Method	Speed gain, % of original
Scale2x	15%
Scale3x	50%
Scale2xSFX	50%
Scale3xSFX	40%

Note

Figures above are related only to rescaling routine itself; reading and saving files takes additional time not depending on scaling optimization.

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This discussion was created from the release FIR optimization.