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Dive into the research topics where Hugh Shen is active.

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Featured researches published by Hugh Shen.


Ibm Journal of Research and Development | 2015

Debugging post-silicon fails in the IBM POWER8 bring-up lab

Manoj Dusanapudi; S. Fields; Michael Stephen Floyd; Guy Lynn Guthrie; Ronald Nick Kalla; Shakti Kapoor; Larry Scott Leitner; C. F. Marino; Joseph McGill; Amir Nahir; Kevin Franklin Reick; Hugh Shen; Kenneth L. Wright

Debugging post-silicon fails continues to be a difficult problem that is becoming even more challenging as chips integrate more functionality and implement increasingly complicated functions. Additionally, the complexity of hardware systems, coupled with the difficulty in observing the state of the system that led to the failure, make the debugging effort a unique challenge. In this paper, we review the techniques and mechanisms used to facilitate effective debugging in the POWER8™ processor post-silicon validation phase. We further describe several functional bugs and describe the debugging process that drove the identification of their root cause.


Archive | 2005

Reducing number of rejected snoop requests by extending time to respond to snoop request

Guy Lynn Guthrie; Hugh Shen; William J. Starke; Derek Edward Williams


Archive | 2008

Method for cache correction using functional tests translated to fuse repair

Walter R. Lockwood; Ryan J. Pennington; Hugh Shen; Kenneth L. Wright


Archive | 2008

Method for priority scheduling and priority dispatching of store conditional operations in a store queue

Guy Lynn Guthrie; Hugh Shen; Derek Edward Williams


Archive | 2004

Method and system for specualtively sending processor-issued store operations to a store queue with full signal asserted

Robert H. Bell; Thomas M. Capasso; Guy Lynn Guthrie; Hugh Shen; Jeffrey A. Stuecheli


Archive | 2007

Processor and data processing system employing a variable store gather window

Robert H. Bell; Hugh Shen; Jeffrey A. Stuecheli; Derek Edward Williams


Archive | 2005

System and method of re-ordering store operations within a processor

Guy Lynn Guthrie; Hugh Shen; William J. Starke; Derek Edward Williams


Archive | 2009

Updating Partial Cache Lines in a Data Processing System

David W. Cummings; Guy Lynn Guthrie; Hugh Shen; William J. Starke; Derek Edward Williams; Phillip G. Williams


Archive | 2006

Data processing system, processor and method of data processing that support memory access according to diverse memory models

Ravi Kumar Arimilli; Thomas M. Capasso; Guy Lynn Guthrie; Hugh Shen; William J. Starke


Archive | 2004

System and method to stall dispatch of gathered store operations in a store queue using a timer

Ravi Kumar Arimilli; Robert Alan Cargnoni; Hugh Shen; Derek Edward Williams

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