Apache Arrow

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，能够同时放4个32bit的float，对4个float同时执行指令，好比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

能够进行，packed或scalar计算