(This is the legacy documentation for SDL2, the previous stable version; SDL3 is the current stable version.)

SDL_GetCPUCacheLineSize

Determine the L1 cache line size of the CPU.

Header File

Defined in SDL_cpuinfo.h

Syntax

int SDL_GetCPUCacheLineSize(void);

Return Value

(int) 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 2.0.0.

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CategoryAPI, CategoryAPIFunction, CategoryCPUInfo

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