(This is the documentation for SDL3, which is under heavy development and the API is changing! SDL2 is the current stable version!)

SDL_GetCPUCacheLineSize

Determine the L1 cache line size of the CPU.

Header File

Defined in <SDL3/SDL_cpuinfo.h>

Syntax

int SDL_GetCPUCacheLineSize(void);

Return Value

Returns the L1 cache line size of the CPU, in bytes.

Remarks

This is useful for determining multi-threaded structure padding or SIMD prefetch sizes.

Version

This function is available since SDL 3.0.0.

CategoryAPI, CategoryAPIFunction, CategoryCPUInfo