hashmap vs go-evmap

hashmap

A Golang lock-free thread-safe HashMap optimized for fastest read access. (by cornelk)

go-evmap

A Go implementation of Rust's evmap which optimizes for high-read, low-write workloads and uses eventual consistency to ensure that readers and writers never block each other. (by clarkmcc)

#Concurrency #Golang #Rust #Hashmap

Source Code

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hashmap		go-evmap
	Project
8	Mentions	1
1,624	Stars	8
-	Growth	-
5.3	Activity	0.0
about 1 month ago	Latest Commit	about 1 year ago
Go	Language	Go
Apache License 2.0	License	-

The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

hashmap

Posts with mentions or reviews of hashmap. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-02-01.

Go 1.20 Released
13 projects | news.ycombinator.com | 1 Feb 2023

Glad to see this make it into the core.
I've been using this library for ages now...
https://github.com/cornelk/hashmap
Always entertains me to see developers write all the lock/unlock code when they could just use that.
Ask HN: Was it worth it for Go to add generics
4 projects | news.ycombinator.com | 7 Oct 2022
Gojq: Pure Go Implementation of Jq
8 projects | news.ycombinator.com | 21 Aug 2022
HaxMap, a concurrent hashmap faster and more memory-efficient than golang's sync.Map
9 projects | /r/golang | 7 Aug 2022

Assuming it is issue 54 and its age, I am now unsure about the usability.

9 projects | /r/golang | 7 Aug 2022

Pre-allocating would not fix https://github.com/cornelk/hashmap/issues/47 as the bug is in the linked list. This is not grow related but an issue with concurrent Add/Delete on the list.
A Go implementation of the concurrency control algorithm in paper <Left-Right -A Concurrency Control Technique with Wait-Free Population Oblivious Reads>
2 projects | /r/golang | 18 Aug 2021

Would be interesting to compare with https://github.com/cornelk/hashmap

go-evmap

Posts with mentions or reviews of go-evmap. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-12-18.

go-evmap - A generic hash map for lock-free reads (Feedback requested)
2 projects | /r/golang | 18 Dec 2021

What are some alternatives?

When comparing hashmap and go-evmap you can also consider the following projects:

go-left-right - A faster RWLock primitive in Go, 2-3 times faster than RWMutex. A Go implementation of concurrency control algorithm in paper <Left-Right - A Concurrency Control Technique with Wait-Free Population Oblivious Reads>

RxGo - Reactive Extensions for the Go language.

sonic - A blazingly fast JSON serializing & deserializing library

haxmap - Fastest and most memory efficient golang concurrent hashmap

pq - Like jq, but with Python

go - The Go programming language

immutable-js - Immutable persistent data collections for Javascript which increase efficiency and simplicity.

xxHash - Pure Go implementation of xxHash (32 and 64 bits versions)

golang-set - A simple, battle-tested and generic set type for the Go language. Trusted by Docker, 1Password, Ethereum and Hashicorp.

jqr

query-json - Faster, simpler and more portable implementation of `jq` in Reason

hashmap vs go-left-right

go-evmap vs RxGo