C++ unordered-set

Open-source C++ projects categorized as unordered-set
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Topics: Hash unordered-map hash-container Concurrent CPP
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Top 3 C++ unordered-set Projects

  • parallel-hashmap

    A family of header-only, very fast and memory-friendly hashmap and btree containers.

    • Project mention: The One Billion Row Challenge in CUDA: from 17 minutes to 17 seconds | news.ycombinator.com | 2024-04-13

    Standard library maps/unordered_maps are themselves notoriously slow anyway. A sparse_hash_map from abseil or parallel-hashmaps[1] would be better.

    [1] https://github.com/greg7mdp/parallel-hashmap

  • unordered_dense

    A fast & densely stored hashmap and hashset based on robin-hood backward shift deletion

    • Project mention: unordered_dense: A Fast & Densely Stored Hashmap And Hashset Based On Robin-Hood Backward Shift Deletion | /r/programming | 2023-07-11

  • InfluxDB

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  • gtl

    Greg's Template Library of useful classes.

    • Project mention: Inside boost::concurrent_flat_map | /r/cpp | 2023-07-07

    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).

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

C++ unordered-set related posts

  • Boost 1.81 will have boost::unordered_flat_map...

    6 projects | /r/cpp | 31 Oct 2022

  • Comprehensive C++ Hashmap Benchmarks 2022

    3 projects | /r/cpp | 7 Sep 2022

  • Can C++ maps be as efficient as Python dictionaries ?

    1 project | /r/Cplusplus | 1 Aug 2022

  • Is A* just always slow?

    3 projects | /r/gamedev | 26 Jun 2022

  • New Boost.Unordered containers have BIG improvements!

    6 projects | /r/cpp | 13 Jun 2022

  • Parallel Hashmap

    1 project | news.ycombinator.com | 23 Apr 2022

  • Defensive Programming - Open discussion!

    1 project | /r/cpp | 21 Feb 2022
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    www.influxdata.com | 10 May 2024
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Index

What are some of the best open-source unordered-set projects in C++? This list will help you:

Project Stars
1 parallel-hashmap 2,331
2 unordered_dense 735
3 gtl 93

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