#define INLINE_U       INLINE
#define INLINE_UP      INLINE
#define INLINE_STREAM  INLINE [1]
#define INLINE_DIST    INLINE [1]
#define INLINE_PA      INLINE
#define INLINE_BACKEND INLINE [2]
#define INLINE_INNER   INLINE [0]

#define PHASE_PA
#define PHASE_BACKEND   [2]
#define PHASE_DIST      [1]
#define PHASE_STREAM    [1]
#define PHASE_INNER     [0]

#define UNTIL_PHASE_BACKEND [~2]