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Arnon Zilca

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Articles by Arnon Zilca

Optimization of a C++ code (that uses UnorderedMap and Vector)

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By Richard Hodges, Arnon Zilca, Adam Stelmaszczyk
| stackoverflow.com
I am trying to optimize some part of a C++ code that is taking a long time (the following part of the code takes about 19 seconds for X amount of data, and I am trying to finish the whole process in less than 5 seconds for the same amount of data - based on some benchmarks that I have). I have a function "add" that I have written and copied the code here. I will try to explain as much as possible that I think is needed to understand the code. Please let me know if I have missed something.
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C++ scope of variables inside try

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By Mohit Jain, Hristo Venev, Arnon Zilca
| stackoverflow.com
An unconventional solution is to exploit the capturing of lambdas to extend the scope of the reference variables beyond the scope of the block. Since the objects referred by the references is valid beyond the scope block, the captured references aren't stale when used later as long as the map object remains in scope.
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