###### (This is the legacy documentation for SDL2, the previous stable version; [SDL3](https://wiki.libsdl.org/SDL3/) is the current stable version.) # SDL_GetCPUCount Get the number of CPU cores available. ## Header File Defined in [SDL_cpuinfo.h](https://github.com/libsdl-org/SDL/blob/SDL2/include/SDL_cpuinfo.h) ## Syntax ```c int SDL_GetCPUCount(void); ``` ## Return Value (int) Returns the total number of logical CPU cores. On CPUs that include technologies such as hyperthreading, the number of logical cores may be more than the number of physical cores. ## Version This function is available since SDL 2.0.0. ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryCPUInfo](CategoryCPUInfo)