https://www.kdnuggets.com/2017/02/apache-arrow-parquet-columnar-data.html
https://arrow.apache.org/
https://hyper-db.de/index.html#team
CMU-db,https://github.com/cmu-db/terrier
SIMD,https://blog.csdn.net/tercel_zhang/article/details/80694573
single instruction multiple data,
128bit的寄存器,可以同时放4个32bit的float,对4个float同时执行指令,比如add,就实现了SIMD
SSE指令,Streaming SIMD Extensions的缩写
SSE有8个128位寄存器,XMM0 ~XMM7
可以进行,packed或scalar计算