stm-containers

Containers for STM (by nikita-volkov)

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stm-containers reviews and mentions

Posts with mentions or reviews of stm-containers. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2025-04-16.
  • Concurrency in Haskell: Fast, Simple, Correct
    2 projects | news.ycombinator.com | 16 Apr 2025
    https://hackage.haskell.org/package/stm-containers

    This library is full of STM-oriented data structures. They perform better than a simple `TVar (Map k v)`.

    It's kind of a fun trick actually. The stock Map is just a tree. The STM Map is also a tree but with TVars at each node. So this helps a lot with contention - you only contend along a "spine" instead of across the whole tree, which is O(log n).

  • Software Transactional Memory (1997)
    4 projects | news.ycombinator.com | 26 Jul 2022
    I think you are right about STM being roughly equivalent to snapshot isolation.

    What STM offers is an easy way to invent "containers for snapshotted values" aka TVars. Using them carefully may result in better scaling: https://hackage.haskell.org/package/stm-containers

  • How to achieve "Run at most one parallel async action per user"?
    1 project | /r/haskell | 9 Nov 2021
    how about use stm-containers?
  • A note from our sponsor - InfluxDB
    www.influxdata.com | 21 May 2025
    InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now. Learn more →

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4 months ago

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