Patent · US Active

Hardware-based atomic operations for supporting inter-task communication

US10055342B2 · kind B2 · utility

0Cited by

4References

22Claims

0Family size

Assignee

QUALCOMM Incorporated · US

Inventors

Alexei V. Bourd · San Diego, US
Swapnil P. Sakharshete · San Diego, US
Fei Xu · 安丰镇, CN

Key dates

Filing date	Mar 19, 2014
Grant date	Aug 21, 2018
Priority date	—
Expiry date	Sep 12, 2034

Classification

Technology area (CPC G)Physics
CPC primaryG06F9/546
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

This disclosure describes techniques for supporting inter-task communication in a parallel computing system. The techniques for supporting inter-task communication may use hardware-based atomic operations to maintain the state of a pipe. A pipe may refer to a First-In, First-Out (FIFO)-organized buffer that allows various tasks to interact with the buffer as data producers or data consumers. Various pipe implementations may use multiple state parameters to define the state of a pipe. The hardware-based atomic operations described in this disclosure may modify multiple pipe state parameters in an atomic fashion. Modifying multiple pipe state parameters in an atomic fashion may avoid race conditions that would otherwise occur when multiple producers and/or multiple consumers attempt to modify the state of a pipe at the same time. In this way, pipe-based inter-task communication may be supported in a parallel computing system.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.