Paperclip "RecursiveThumbnail" processor (speed up thumbnail generation)
This processor (and patch to Paperclip) sped up thumbnail generation by 8 seconds (originally 12, now 4). RecursiveThumbnail processor.
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Comments
Not sure it fits all cases. The geometry of the next smaller image must be chosen carefully, or image quality will degrade quickly. It will degrade much faster even in the perfect scenario as opposed to the original “create all from the original image” method.
Aleksey - You’re absolutely right, but in certain situations it saves a lot of time. And a thumbnail (50x50) isn’t that good at any quality :)
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