Vectorized Execution Explained

向量化是随着列存数据库一起成熟的新查询执行模型,诸如Hive,Vertica,Vectorwise,Clickhouse等都使用了该技术。向量化也是 TiDB 正在进行的优化之一。本次分享将从为何进行向量化,块执行,SIMD和晚期物化等多个方面阐述向量化引擎的设计和实现。

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