System/Library/Frameworks/Vision.framework

VNCPUProcessingDevice.h

NSObject
>
VNProcessingDevice

@interface VNCPUProcessingDevice : VNProcessingDevice

- (int)espressoEngine;
- (BOOL)targetsCPU;
- (int)espressoStorageType;
- (id)computeDevice;
- (id)metalDevice;

@end