presto-orc/src/main/java/io/prestosql/orc/stream/LongOutputStreamV2.java/LongOutputStreamV2/unrolledBitPack16
class LongOutputStreamV2:        private void unrolledBitPack16(long[] input, int offset, int len,
                SliceOutput output)
        {
            unrolledBitPackBytes(input, offset, len, output, 2);
        }