htcw_data
gtl
htcw_data | gtl | |
---|---|---|
2 | 5 | |
1 | 93 | |
- | - | |
6.5 | 7.1 | |
7 months ago | about 1 month ago | |
C++ | C++ | |
MIT License | Apache License 2.0 |
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htcw_data
- What library are you using for debouncing buttons and switches?
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A set of simple data structures for your projects
It's here: https://github.com/codewitch-honey-crisis/htcw_data
gtl
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Inside boost::concurrent_flat_map
gtl library author here. Very nice writeup! Reading it made me think, and I believe I know why gtl::parallel_flat_hash_map performs comparatively worse for high-skew scenarios (just pushed a fix in gtl).
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Boost 1.81 will have boost::unordered_flat_map...
I do this as well in my phmap and gtl implementations. It makes the tables look worse in benchmarks like the above, but prevents really bad surprises occasionally.
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Comprehensive C++ Hashmap Benchmarks 2022
Thanks a lot for the great benchmark, Martin. Glad you used different hash functions, because I do sacrifice some speed to make sure that the performance of my hash maps doesn't degrade drastically with poor hash functions. Happy to see that my phmap and gtl (the C++20 version) performed well.
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It is now trivial to cache pure functions with highly efficient, concurrent cache.
This is very easy to do with the latest version of gtl. And it is extremely efficient, as the caching mechanism uses the parallel hashmap, which internally is divided into N submaps each with its own mutex, reducing mutex contention to a minimum.
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Updating map_benchmarks: Send your hashmaps!
AFAIK sparsepp has been dropped entirely in favor of the containers in GTL: https://github.com/greg7mdp/gtl
What are some alternatives?
htcw_button
eytzinger - Cache-friendly associative STL-like container with an Eytzinger (BFS) layout for C++
fph-table - Flash Perfect Hash Table: an implementation of a dynamic perfect hash table, extremely fast for lookup
Google Test - GoogleTest - Google Testing and Mocking Framework
flat_hash_map - A very fast hashtable
google-sparsehash - Clone of google-sparsehash
libcudacxx - [ARCHIVED] The C++ Standard Library for your entire system. See https://github.com/NVIDIA/cccl
hashtable-bench - A benchmark for hash tables and hash functions in C++, evaluate on different data as comprehensively as possible
Magic Enum C++ - Static reflection for enums (to string, from string, iteration) for modern C++, work with any enum type without any macro or boilerplate code
Muonbase - Document Database
sparsepp - A fast, memory efficient hash map for C++
libgrape-lite - 🍇 A C++ library for parallel graph processing (GRAPE) 🍇