perf: switch to ska::flat_hash_map instead of std::unordered_map #30
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Small ~10% improvement to connectomics.npy renumber, but ~45% improvement to a random array.
Avoids problems with dynamic library situations: skarupke/flat_hash_map#26
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Small ~10% improvement to connectomics.npy renumber, but ~45%
improvement to a random array.
https://github.com/skarupke/flat_hash_map/blob/master/flat_hash_map.hpp
https://probablydance.com/2017/02/26/i-wrote-the-fastest-hashtable/
I think abseil flat_hash_map is probably about the same or better, but ska::flat_hash_map is a single header file and requires vastly reduced compilation.