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by ted_dunning
492 days ago
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Julia adds some pretty amazing stuff with multiple dispatch and run-time compilation. What this means is that you can glue code together in ways impossible for other languages. One example is a system that I built using three libraries. One was a C library from Postgres for geolocation, another was Uber's H3 library (also C) and a third was a Julia native library for geodesy. From Julia, I was able to extend the API of the H3 library and the Postgres library so that all three libraries would inter-operate transparently. This extension could be done without any mods to the packages I was important. Slightly similar, if you have a magic whizbang way of looking at your data as a strange form of matrix, you can simply implement a few optimized primitive matrix operations and the standard linear algebra libraries will now use your data structure. Normal languages can't really do that. More on that second case and the implications in the following video: https://www.youtube.com/watch?v=kc9HwsxE1OY |
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