GS Collections vs Agrona

GS Collections

GS Collections has been migrated to the Eclipse Foundation, re-branded as Eclipse Collections. https://www.eclipse.org/collections/ (by goldmansachs)

High Performance

Source Code

eclipse.org

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Agrona

High Performance data structures and utility methods for Java (by real-logic)

High Performance Java Performance

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GS Collections		Agrona
	Project
1	Mentions	5
1,817	Stars	2,740
0.0%	Growth	0.5%
0.0	Activity	8.4
about 1 year ago	Latest Commit	3 days ago
Java	Language	Java
Apache License 2.0	License	Apache License 2.0

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.

GS Collections

Posts with mentions or reviews of GS Collections. We have used some of these posts to build our list of alternatives and similar projects.

Make arrays as powerful as Stream API
1 project | /r/java | 28 Mar 2021

You might be interested in eclipse collections: https://www.eclipse.org/collections/

Agrona

Posts with mentions or reviews of Agrona. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-05-27.

Any library you would like to recommend to others as it helps you a lot? For me, mapstruct is one of them. Hopefully I would hear some other nice libraries I never try.
21 projects | /r/java | 27 May 2023

Aeron for low latency apps and Agrona is you're using Aeron for data structures
Need help navigating the Java ecosystem (coming from C++)
2 projects | /r/ExperiencedDevs | 7 Jan 2023

Martin Thompson is one of the leaders in that space: his blog is a really great place to start. His Agrona library is a bunch of high-performance data structures, which you can use directly, but which can also serve as examples of writing such code.
WritableImage and real-time ray-tracing. I need help!
2 projects | /r/JavaFX | 28 Mar 2022

ByteBuffer methods have quite a bit of overhead. You could further try to (1) writing to a byte[] first and then using the put(byte[]) method, or (2) use sun.misc.Unsafe::putByte (maybe try with Agrona's DirectBuffer and copy the necessary lines if need be).
Are you interested in learning about low latency zero allocation programming?
4 projects | /r/java | 6 Feb 2021

What are some alternatives?

When comparing GS Collections and Agrona you can also consider the following projects:

fastutil - fastutil extends the Java™ Collections Framework by providing type-specific maps, sets, lists and queues.

Disruptor - High Performance Inter-Thread Messaging Library

Eclipse Collections - Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.

Trove

Chronicle Queue - Micro second messaging that stores everything to disk

Koloboke - Java Collections till the last breadcrumb of memory and performance

JCTools

Javolution