score-all-pairs loads the render index and computes SSIM for every valid source/target combination. 235,625 comparisons, two modes: same-font (both characters in the same font) and cross-font (source in a supplemental font, target in a standard font).
Replicate (What is Replicate?)
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This post is about a technique for manually converting elegant, maintainable recursive code into a gnarled imperative form, trading clarity (and some performance) for stack safety. This technique is not quite precise enough to be automated but it is mostly mechanical, requiring very little creativity or insight into the problem being solved. The resultant implementations are reasonably decipherable.
We get that Oracle's Turin will always be top value, as it has a fixed spot price. From the big 3, GCP and Azure offer the deepest discounts (Genoa and Cobalt 100 types), the former getting top place here. If you compare to the 3 year reservation chart, you are getting about twice the performance per dollar. AWS is much less generous, if you are on their cloud, Turin is once more your best bet. But even with AWS you are getting better value if you are using spot instances than other low cost providers.