• Martin Storsjö's avatar
    arm64: cdef: Do saturating subtractions to avoid max operations with 0 · 4f5261a0
    Martin Storsjö authored
    Before:                  Cortex A53     A72     A73
    cdef_filter_4x4_8bpc_neon:    677.4   433.9   452.9
    cdef_filter_4x8_8bpc_neon:   1255.0   815.2   841.8
    cdef_filter_8x8_8bpc_neon:   2278.5  1440.0  1505.0
    After:
    cdef_filter_4x4_8bpc_neon:    645.5   401.9   422.5
    cdef_filter_4x8_8bpc_neon:   1193.7   756.6   782.4
    cdef_filter_8x8_8bpc_neon:   2162.4  1361.9  1375.6
    4f5261a0
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