When Zig outshines Rust - Memory efficient enum arraysEnums (or tagged unions) whose variants vary in size are prone to significant memory fragmentation in Rust. That's because we need to allocate enough data to accommodate the largest variant. Figure 1: Consider the following enum: This presents real pain when collecting a large number of them into a Vec or HashMap. The padding can be dealt with using some form of struct of arrays (SoA) transformati
On custom-width integer types
Measuring the impact of false sharing
