jumper alternatives and similar packages
Based on the "Algorithms and Data structures" category.
Alternatively, view jumper alternatives based on common mentions on social networks and blogs.
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matrex
A blazing fast matrix library for Elixir/Erlang with C implementation using CBLAS. -
simple_bayes
A Naive Bayes machine learning implementation in Elixir. -
exconstructor
An Elixir library for generating struct constructors that handle external data with ease. -
erlang-algorithms
Implementations of popular data structures and algorithms -
remodel
:necktie: An Elixir presenter package used to transform map structures. "ActiveModel::Serializer for Elixir" -
merkle_tree
:evergreen_tree: Merkle Tree implementation in pure Elixir -
MapDiff
Calculates the difference between two (nested) maps, and returns a map representing the patch of changes. -
aja
Extension of the Elixir standard library focused on data stuctures, data manipulation and performance -
exmatrix
Elixir library implementing a parallel matrix multiplication algorithm and other utilities for working with matrices. Used for benchmarking computationally intensive concurrent code. -
DeepMerge
Deep (recursive) merge for maps, keywords and others in Elixir -
the_fuzz
String metrics and phonetic algorithms for Elixir (e.g. Dice/Sorensen, Hamming, Jaccard, Jaro, Jaro-Winkler, Levenshtein, Metaphone, N-Gram, NYSIIS, Overlap, Ratcliff/Obershelp, Refined NYSIIS, Refined Soundex, Soundex, Weighted Levenshtein) -
ecto_materialized_path
Tree structure & hierarchy for ecto models -
dataframe
Package providing functionality similar to Python's Pandas or R's data.frame() -
Conrex
An Elixir implementation of the CONREC algorithm for topographic or isochrone maps. -
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murmur
:speech_balloon: An implementation of the non-cryptographic hash Murmur3 -
bitmap
Bitmap implementation in Elixir using binaries and integers. Fast space efficient data structure for lookups -
exor_filter
Erlang nif for xor_filter. 'Faster and Smaller Than Bloom and Cuckoo Filters'.
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* Code Quality Rankings and insights are calculated and provided by Lumnify.
They vary from L1 to L5 with "L5" being the highest.
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README
Jumper
Installation
Jumper is available on Hex. You can install the package by adding it to your dependencies in mix.exs:
def deps do
[{:jumper, "~> 1.0"}]
end
Usage
Using Jumper is pretty trivial; there is a single API used to slot keys into a range of buckets:
iex> Jumper.slot(256, 1024)
520
The first argument is the key, and the second is the number of buckets the key can be slotted into. The result is the bucket the key should be routed to. Both the key and the bucket count should be valid integers. If you want to check a non-integer key, you could always use :erlang.phash2/1 to generate a hash code for the value:
iex> %{} |> :erlang.phash2 |> Jumper.slot(1024)
29
Benchmarks
There are some very trivial benchmarks available using Benchee in the benchmarks/ directory. You can run the benchmarks using the following command:
$ mix bench
Typical results are a microsecond or two, based on the number of buckets you're trying to slot into (scales to the number of buckets).
Contributions
If you feel something can be improved, or have any questions about certain behaviours or pieces of implementation, please feel free to file an issue. Proposed changes should be taken to issues before any PRs to avoid wasting time on code which might not be merged upstream.
If you do make changes to the codebase, please make sure you test your changes thoroughly, and include any unit tests alongside new or changed behaviours. Cachex currently uses the excellent excoveralls to track code coverage.
$ mix test
$ mix credo
$ mix coveralls
$ mix coveralls.html && open cover/excoveralls.html