公开(公告)号：US09953056B2

公开(公告)日：2018-04-24

申请号：US14840067

申请日：2015-08-31

Applicant: SAP SE

Inventor： Shuhao Zhang ,  Hoang Tam Vo ,  Daniel Hermann Richard Dahlmeier ,  Bingsheng He

IPC: G06F17/30

CPC classification number: G06F17/30463

Abstract: Jumbo query plans are generated by applying at least one sharing technique and combining at least two of the pattern queries. Costs of the jumbo query plans may then be estimated and used to search for an optimal query plan. The optimal query plan may then be executed on an input data stream to generate an output data stream.

公开(公告)号：US10521432B2

公开(公告)日：2019-12-31

申请号：US15348932

申请日：2016-11-10

Applicant: SAP SE

Inventor： Shuhao Zhang ,  Bingsheng He ,  Daniel Hermann Richard Dahlmeier

IPC: G06F16/2455 ,  G06F16/901

Abstract: Described is a system, a method, and a computer-implemented apparatus for increasing computational efficiency and capacity of data stream processing systems. In one embodiment, executor grouping reduces cross-socket communication in a Non-Uniform Memory Access (NUMA) system. In another embodiment, input batching reduces thread context switches which improves instruction cache performance.