====== (This is the documentation for SDL3, which is under heavy development and the API is changing! [https://wiki.libsdl.org/SDL2/ SDL2] is the current stable version!) ====== = SDL_GetCPUCacheLineSize = Determine the L1 cache line size of the CPU. == 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]], [[CategoryCPU]]