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When to use a memory pool?

A [memory pool][mp-wiki] is a data structure for allocating fixed-size memory blocks. This definition has stayed same since I learned it around 2010. Although you can find more general definitions via Google, those are the minority.

The APIs of memory pool implementations vary, but they generally look like:

Other posts

What is an "arena" in memory allocation?

I first leanred about "arena" when I was trying to understand the internal of [glibc malloc][glibc-alloc] around 2010, but I [later realized][trend] the concept is narrowly defined [in][arena1] [other][arena2] [context][arena3]. This blog post explains the difference in definition and the limitations in the so-called "arena allocators" we use today.

Background: why is malloc needed?

@raysan5
raysan5 / custom_game_engines_small_study.md
Last active April 8, 2025 08:52
A small state-of-the-art study on custom engines

CUSTOM GAME ENGINES: A Small Study

a_plague_tale

A couple of weeks ago I played (and finished) A Plague Tale, a game by Asobo Studio. I was really captivated by the game, not only by the beautiful graphics but also by the story and the locations in the game. I decided to investigate a bit about the game tech and I was surprised to see it was developed with a custom engine by a relatively small studio. I know there are some companies using custom engines but it's very difficult to find a detailed market study with that kind of information curated and updated. So this article.

Nowadays lots of companies choose engines like Unreal or Unity for their games (or that's what lot of people think) because d

@bkaradzic
bkaradzic / orthodoxc++.md
Last active April 10, 2025 21:18
Orthodox C++

Orthodox C++

What is Orthodox C++?

Orthodox C++ (sometimes referred as C+) is minimal subset of C++ that improves C, but avoids all unnecessary things from so called Modern C++. It's exactly opposite of what Modern C++ suppose to be.

Why not Modern C++?

@paniq
paniq / ecs.md
Last active March 28, 2025 05:25
Entity Component Systems