NAME¶

SDL_GetCPUCacheLineSize - Determine the L1 cache line size of the CPU.

HEADER FILE¶

Defined in SDL3/SDL_cpuinfo.h

SYNOPSIS¶

#include "SDL3/SDL.h"

int SDL_GetCPUCacheLineSize(void);

DESCRIPTION¶

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

RETURN VALUE¶

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

THREAD SAFETY¶

It is safe to call this function from any thread.

AVAILABILITY¶

This function is available since SDL 3.1.3.