公开(公告)号：US20200073665A1

公开(公告)日：2020-03-05

申请号：US16677816

申请日：2019-11-08

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jun Yao ,  Yasuhiko Nakashima ,  Tao Wang ,  Wei Zhang ,  Zuqi Liu ,  Shuzhan Bi

IPC: G06F9/38 ,  G06F9/30 ,  G06F9/48 ,  G06F9/54 ,  G06F13/16 ,  G06F12/0862

Abstract: A method for accessing a memory of a multi-core system, a related apparatus, a system, and a storage medium involve obtaining data from a system memory according to a prefetch instruction, sending a message to a core that carries the to-be-accessed data. Each segment of data is stored in an intra-core cache based on the prefetch instruction.

公开(公告)号：US11294675B2

公开(公告)日：2022-04-05

申请号：US16677816

申请日：2019-11-08

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jun Yao ,  Yasuhiko Nakashima ,  Tao Wang ,  Wei Zhang ,  Zuqi Liu ,  Shuzhan Bi

IPC: G06F9/312 ,  G06F9/30 ,  G06F12/0862 ,  G06F13/16

Abstract: A method for accessing a memory of a multi-core system, a related apparatus, a system, and a storage medium involve obtaining data from a system memory according to a prefetch instruction, and sending a message to a core that carries the to-be-accessed data. Each segment of data is stored in an intra-core cache based on the prefetch instruction.