公开(公告)号：US11822973B2

公开(公告)日：2023-11-21

申请号：US16571220

申请日：2019-09-16

Applicant: MELLANOX TECHNOLOGIES, LTD.

Inventor： Ariel Shahar ,  Ahmad Omary

IPC: G06F9/46 ,  G06F9/52

CPC classification number: G06F9/522

Abstract: A method including an executing entity, including fencing dependency circuitry, communicating with physical memory including a work queue (WQ) including a first controlling work request (WR), and a first dependent WR, the first dependent WR including a fencing indication indicating that the first dependent WR should not be executed until the first controlling WR has completed, the fencing dependency circuitry determining that the first dependent WR is ready for execution and checking, based on the fencing indication in the first dependent WR, whether the first controlling WR has completed, and the executing entity executing the first dependent WR only when the first controlling WR has completed. Related apparatus and methods are also provided.

公开(公告)号：US20210081207A1

公开(公告)日：2021-03-18

申请号：US16571220

申请日：2019-09-16

Applicant: MELLANOX TECHNOLOGIES, LTD.

Inventor： Ariel Shahar ,  Ahmad Omary

IPC: G06F9/38 ,  G06F9/30

Abstract: A method including an executing entity, including fencing dependency circuitry, communicating with physical memory including a work queue (WQ) including a first controlling work request (WR), and a first dependent WR, the first dependent WR including a fencing indication indicating that the first dependent WR should not be executed until the first controlling WR has completed, the fencing dependency circuitry determining that the first dependent WR is ready for execution and checking, based on the fencing indication in the first dependent WR, whether the first controlling WR has completed, and the executing entity executing the first dependent WR only when the first controlling WR has completed. Related apparatus and methods are also provided.