clang-8:
cdef_filter_4x4_8bpc_c: 436.6
cdef_filter_4x4_8bpc_vsx: 101.1
cdef_filter_4x8_8bpc_c: 827.7
cdef_filter_4x8_8bpc_vsx: 183.5
cdef_filter_8x8_8bpc_c: 1510.2
cdef_filter_8x8_8bpc_vsx: 289.1

gcc-9:
cdef_filter_4x4_8bpc_c: 403.2
cdef_filter_4x4_8bpc_vsx: 105.6
cdef_filter_4x8_8bpc_c: 825.5
cdef_filter_4x8_8bpc_vsx: 192.2
cdef_filter_8x8_8bpc_c: 1586.3
cdef_filter_8x8_8bpc_vsx: 295.0