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resize performance too slow


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Bicubic resample too slow

XnConvert was also resize faster than Paint.NET

resample performance

other commercial software(Bicubic) >highest performance god-wall> XnConvert >high performance freeware-wall> Paint.NET(Bicubic) >low performance freeware-wall(single-thread)> other freeware

example

http://hfgp2.hf.funp...elp/noise/0.png (image from http://forums.getpaint.net/index...plugin/)

mspaint - 7 sec/1T

5208x4856 (pre-resize original>400%>200%) resize to 200%

XnConvert - 8 sec/8T

5208x4856 jpg to 12416x9712 bmp (default)

Paint.NET - 40 sec/8T

original resize to 1600% (Bicubic)

5208x4856 (pre-resize original>800%) resize to 200% (Bicubic)

Paint.NET v3.5.10

Win7 x64 sp1, .net 3.5.1

Bulldozer 8-Core, 1.4GHz (downclock)

Edited by penpen
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No need to diss the Chinese! Let's just presume that it was sub-optimal software ;)

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8Thread(Paint.NET 40s) slower than 1Thread(Ralpha 2s), The low-efficiency is not program? :sad:

Ralpha 8 sec/1T (2s openfile<load中>/ 2s resizing<変換中>/ 4s savefile<出力中>/ estimate time)

5208x4856 jpg resize to 200% jpg (Bicubic)

Ralpha (Japanese UI only </3 /ANSI/non-unicode)

http://nilposoft.info/ralpha/

Ralpha Plus (payware)

Ralpha and mini version (freeware for private)

XnConvert

http://www.xnconvert.com/

Paint.NET v3.5.10

Win7 x64 sp1, .net 3.5.1

Bulldozer 8-Core, 1.4GHz (downclock)

Edited by penpen
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