Memory Layout Visualizer

See how structs are laid out in RAM in low-level languages (C, Go, Rust). Live test the rules of "Padding" (wasted memory) created to increase processor read speeds.

Total Allocated 0 Bytes

Wasted (Padding) 0 Bytes

Add Variable to Struct

1 Byte (8-bit)

2 Bytes (16-bit)

4 Bytes (32-bit)

8 Bytes (64-bit)

[ Memory Map - Each row is 8 Bytes ]

Data

Padding

> Tip: Add `int8` (1 byte) first, then add `pointer` (8 bytes). You will see how the compiler creates a 7-byte gap (padding) in between to align the pointer properly in memory (on 64-bit systems). Proper struct design reduces memory waste to zero.