Category Archives: paperreading

1. Memo 1.1 Goal of this paper It is necessary to reduce cache misses and branch misses for increasing the effect of acceralating database operations using SIMD. The author aims to acceralate database operations which has irregular memory access by using SIMD. Hash join which search big hash table which data size is larger than […]

1. Memo This paper shows experimental results on columnstore performance in some settings. This paper focuses on utilization efficiency of CPU. The authors analyze effects of some techniques related to CPU such as Prediction*, SIMD, Prefetch, Turbo boost and Hyper Threading. This paper shows the effect when performing multi-thread processing is quite smaller than one […]