Move repo to NSPCC (#1)

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Evgeniy Kulikov 2019-02-01 14:30:34 +03:00 committed by GitHub
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MIT License MIT License
Copyright (c) 2019 Evgeniy Kulikov Copyright (c) 2019 NSPCC
Permission is hereby granted, free of charge, to any person obtaining a copy Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal of this software and associated documentation files (the "Software"), to deal

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# Golang HRW implementation # Golang HRW implementation
[![Build Status](https://travis-ci.org/im-kulikov/hrw.svg?branch=master)](https://travis-ci.org/im-kulikov/hrw) [![Build Status](https://travis-ci.org/nspcc-dev/hrw.svg?branch=master)](https://travis-ci.org/nspcc-dev/hrw)
[![codecov](https://codecov.io/gh/im-kulikov/hrw/badge.svg)](https://codecov.io/gh/im-kulikov/hrw) [![codecov](https://codecov.io/gh/nspcc-dev/hrw/badge.svg)](https://codecov.io/gh/nspcc-dev/hrw)
[![Report](https://goreportcard.com/badge/github.com/im-kulikov/hrw)](https://goreportcard.com/report/github.com/im-kulikov/hrw) [![Report](https://goreportcard.com/badge/github.com/nspcc-dev/hrw)](https://goreportcard.com/report/github.com/nspcc-dev/hrw)
[![GitHub release](https://img.shields.io/github/release/im-kulikov/hrw.svg)](https://github.com/im-kulikov/hrw) [![GitHub release](https://img.shields.io/github/release/nspcc-dev/hrw.svg)](https://github.com/nspcc-dev/hrw)
[Rendezvous or highest random weight](https://en.wikipedia.org/wiki/Rendezvous_hashing) (HRW) hashing is an algorithm that allows clients to achieve distributed agreement on a set of k options out of a possible set of n options. A typical application is when clients need to agree on which sites (or proxies) objects are assigned to. When k is 1, it subsumes the goals of consistent hashing, using an entirely different method. [Rendezvous or highest random weight](https://en.wikipedia.org/wiki/Rendezvous_hashing) (HRW) hashing is an algorithm that allows clients to achieve distributed agreement on a set of k options out of a possible set of n options. A typical application is when clients need to agree on which sites (or proxies) objects are assigned to. When k is 1, it subsumes the goals of consistent hashing, using an entirely different method.
## Install ## Install
`go get github.com/im-kulikov/hrw` `go get github.com/nspcc-dev/hrw`
## Benchmark:
```
BenchmarkSortByWeight_fnv_10-8 3000000 435 ns/op 224 B/op 3 allocs/op
BenchmarkSortByWeight_fnv_100-8 200000 7238 ns/op 1856 B/op 3 allocs/op
BenchmarkSortByWeight_fnv_1000-8 10000 163158 ns/op 16448 B/op 3 allocs/op
BenchmarkSortByIndex_fnv_10-8 2000000 642 ns/op 384 B/op 7 allocs/op
BenchmarkSortByIndex_fnv_100-8 200000 8045 ns/op 2928 B/op 7 allocs/op
BenchmarkSortByIndex_fnv_1000-8 10000 227527 ns/op 25728 B/op 7 allocs/op
BenchmarkSortByValue_fnv_10-8 1000000 1244 ns/op 544 B/op 17 allocs/op
BenchmarkSortByValue_fnv_100-8 100000 12397 ns/op 4528 B/op 107 allocs/op
BenchmarkSortByValue_fnv_1000-8 10000 154278 ns/op 41728 B/op 1007 allocs/op
```
## Example ## Example
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import ( import (
"fmt" "fmt"
"github.com/im-kulikov/hrw" "github.com/nspcc-dev/hrw"
) )
func main() { func main() {

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go.mod
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module github.com/im-kulikov/hrw module github.com/nspcc-dev/hrw
require github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72 require github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72