Thread selection for fetching instructions for pipeline...

Details Thread selection for fetching instructions for pipeline... Thread selection for fetching instructions for pipeline...

2007-09-11

2007-09-11

Sparks, Donald (Department: 2181)

Electrical computers and digital processing systems: processing

Instruction fetching

Reexamination Certificate

active

10754550

ABSTRACT:
A simultaneous multithreading processor determines, for each thread, the processing time occupied by each thread in the processing pipeline of the processor. Based on the determined processing times, a fetch unit in the processing pipeline determines the thread from which to fetch the next instruction.

REFERENCES:
patent: 6073159 (2000-06-01), Emer et al.
patent: 6076157 (2000-06-01), Borkenhagen et al.
patent: 6470443 (2002-10-01), Emer et al.
patent: 6658447 (2003-12-01), Cota-Robles
“Exploiting Choice: Instruction Fetch and Issue on an Implementable Simultaneous Multithreading Processor”; Tullsen et al; 1996.
“Balancing Throughput and Fairness in SMT Processors”; Luo et al; 2001; IEEE.
“Front-End Policies for Improved Issue Efficiency in SMT Processors”; Ali El-Moursy and David Albonesi; 2002; IEEE.
Korean Offfice Action, dated Dec. 7, 2004, with English translation.

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