leapfrog

Lock-free concurrent and single-threaded hash map implementations using Leapfrog probing. Currently the highest performance concurrent HashMap in Rust for certain use cases. (by robclu)

Leapfrog Alternatives

Similar projects and alternatives to leapfrog

  1. hashbrown

    Rust port of Google's SwissTable hash map

  2. Nutrient

    Nutrient – The #1 PDF SDK Library, trusted by 10K+ developers. Other PDF SDKs promise a lot - then break. Laggy scrolling, poor mobile UX, tons of bugs, and lack of support cost you endless frustrations. Nutrient’s SDK handles billion-page workloads - so you don’t have to debug PDFs. Used by ~1 billion end users in more than 150 different countries.

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  3. dashmap

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  4. scalable-concurrent-containers

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  5. lib-wc

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  6. conc-map-bench

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  7. indicium

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  9. CodeRabbit

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  10. array-map

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  11. crossbeam

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  12. actix

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NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a better leapfrog alternative or higher similarity.

leapfrog discussion

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leapfrog reviews and mentions

Posts with mentions or reviews of leapfrog. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-03-15.
  • Leapfrog 0.2.0 (improved concurrent rust hashmap)
    2 projects | /r/rust | 15 Mar 2022
    I'm announcing v 0.2.0 of leapfrog (crate), which adds new features and fixes the collision problems of the previous version. The performance is slightly reduced, but not by much and the maps are still very fast.
  • On my way to make the production rusty
    1 project | /r/rust | 7 Feb 2022
    You can try Leapfrog as your concurrent hashmap implementation https://github.com/robclu/leapfrog. I recently stumbled across it and was pleased by its performance
  • Announcing Leapfrog, a faster concurrent HashMap
    4 projects | /r/rust | 1 Feb 2022
    For a personal project I needed a concurrent HashMap, so thought I would port one of the fast C++ hashmaps to Rust., which I have called Leapfrog. The API is similar to the HashMap in the std library, but to improve concurrent performance it is slightly different in places.
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    www.saashub.com | 17 Feb 2025
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Stats

Basic leapfrog repo stats
3
220
2.9
about 1 month ago

Sponsored
Nutrient – The #1 PDF SDK Library, trusted by 10K+ developers
Other PDF SDKs promise a lot - then break. Laggy scrolling, poor mobile UX, tons of bugs, and lack of support cost you endless frustrations. Nutrient’s SDK handles billion-page workloads - so you don’t have to debug PDFs. Used by ~1 billion end users in more than 150 different countries.
www.nutrient.io