concurrent-hashtable alternatives and similar packages

Based on the "concurrent" category.
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concurrent-extra

7.4 0.0 concurrent-hashtable VS concurrent-extra

Extra concurrency primitives
concurrent-machines

7.4 0.0 concurrent-hashtable VS concurrent-machines

Concurrency features for the Haskell machines package

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concurrent-supply

7.2 0.0 concurrent-hashtable VS concurrent-supply

A fast globally unique variable supply with a pure API

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README

A thread-safe hash table for multi-cores

You can find benchmarks and more information about the internals of this package here.

Installation

stack install

Usage Example

> ht <- newWithDefaults 4     -- creates hash table of initial size 4
> insert ht 1 "hello"         -- adds key-value pair (1,"hello")
> insert ht 2 "world"         -- adds key-value pair (2,"world")
> atomically $ readAssocs ht  -- convert to a key-value list
 [(1,"hello"),(2,"world")]
> readSizeIO ht               -- returns 4
> insert ht 3 "!"             -- adds key-value pair (3,"!") and triggers a resize as the load fraction is ≥ 0.75
> readSizeIO ht               -- returns 8
> atomically $ readAssocs ht  -- convert to a key-value list
 [(1,"hello"),(3,"!"),(2,"world")]