Function SDL_GetCPUCacheLineSize

pub unsafe extern "C" fn SDL_GetCPUCacheLineSize() -> i32

Available on crate feature dep_sdl3 only.

Determine the L1 cache line size of the CPU.

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 3.2.0.