System and method for managing divergent threads using...

Details System and method for managing divergent threads using... System and method for managing divergent threads using...

2005-07-13

2009-06-02

Chan, Eddie P (Department: 2183)

Electrical computers and digital processing systems: processing

Processing control

Context preserving (e.g., context swapping, checkpointing,...

C712S234000

Reexamination Certificate

active

07543136

ABSTRACT:
One embodiment of a computing system configured to manage divergent threads in a thread group includes a stack configured to store at least one token and a multithreaded processing unit. The multithreaded processing unit is configured to perform the steps of fetching a program instruction, determining that the program instruction is a branch instruction, determining that the program instruction is not a return or break instruction, determining whether the program instruction includes a set-synchronization bit, and updating an active program counter, where the manner in which the active program counter is updated depends on a branch instruction type.

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Eggers, et al. “Simultaneous Multithreading: A Platform for Next-Generation Processors,”IEEE Micro, vol. 17, No. 5, pp. 12-19, Sep./Oct. 1997.

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