# Efficient Aggregates in Julia

DevFeed: [Efficient Aggregates in Julia](<https://devfeed.tech/articles/efficient-aggregates-in-julia-46218.md>)

Original publisher: [Read original article](<https://julialang.org/blog/2013/03/efficient-aggregates/index.html>)

Author: Jeff Bezanson

Published: 2013-03-05T00:00:00Z

Content type: article

Language: en

Sources: [JuliaLang - The Julia programming language](<https://devfeed.tech/sources/julialang-the-julia-programming-language.md>)

Topics: [The Julia Language](<https://devfeed.tech/topics/julia.md>), [Code](<https://devfeed.tech/topics/code.md>), [Compiler](<https://devfeed.tech/topics/compiler.md>)

## AI overview

Julia's immutable aggregate types reduce the overhead of user-defined types that represent small values or wrap a small number of objects. The article explains how they enable efficient array storage, avoid memory allocation in an RGB-to-grayscale example, and give the compiler and garbage collector more flexibility in managing data.

## Source excerpt

Efficient Aggregates in Julia | We recently introduced an exciting feature that has been in planning for some...