in reply to Re^5: PDL: Looking for efficient way to extract sub-images, by finding bounding boxes of "objects" (7000x faster)
in thread PDL: Looking for efficient way to extract sub-images, by finding bounding boxes of "objects"
(*I have an idea about the cause of the slowness in 5.10; I'll need to think of a way to verify it.)I came across this article a little while back. It might help explain the speed difference. I certain have seen a difference running a Perl application between 5.1x and 5.22.
How We Spent Two Days Making Perl Faster
Hope you find it interesting!
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Re^7: PDL: Looking for efficient way to extract sub-images, by finding bounding boxes of "objects" (7000x faster)
by BrowserUk (Patriarch) on Nov 22, 2016 at 08:39 UTC |
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Seekers of Perl Wisdom