System and method for managing divergent threads in a SIMD...

Details System and method for managing divergent threads in a SIMD... System and method for managing divergent threads in a SIMD...

2008-04-01

2008-04-01

Chan, Eddie (Department: 2183)

Electrical computers and digital processing systems: processing

Processing control

Branching

C712S220000

Reexamination Certificate

active

07353369

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 not a branch instruction, determining whether the program instruction includes a pop-synchronization bit, and updating an active program counter, where the fashion in which the active program counter is updated relates to whether the program instruction includes a pop-synchronization bit.

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patent: 2006/0101256 (2006-05-01), Dwyer et al.
patent: 1267258 (2002-12-01), None

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