Title:
METHOD FOR OFFLOADING DISK SCAN OPERATION TO GPU IN WRITE-OPTIMIZED DATABASE
Document Type and Number:
WIPO Patent Application WO/2022/065577
Kind Code:
A2
Abstract:
The present embodiments provide a method and apparatus for a scan operation in a database, which: use a GPU to read a file in an LSM-tree and parallelize a filter condition comparison operation; pipeline query processing and a disk scan; and use direct memory access (DMA) to load, into a GPU memory, the file within the LSM-tree, and to access the file by a GPU thread so as to perform a filter operation and return the result thereof, thereby improving scan performance.
Inventors:
PARK SANG HYUN (KR)
CHOI WON GI (KR)
CHOI WON GI (KR)
Application Number:
PCT/KR2020/015304
Publication Date:
March 31, 2022
Filing Date:
November 04, 2020
Export Citation:
Assignee:
UIF UNIV INDUSTRY FOUNDATION YONSEI UNIV (KR)
International Classes:
G06F9/38
Attorney, Agent or Firm:
WOOIN PATENT & LAW FIRM (KR)
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