TY - GEN
T1 - Clock skew scheduling for timing speculation
AU - Ye, Rong
AU - Yuan, Feng
AU - Zhou, Hai
AU - Xu, Qiang
PY - 2012
Y1 - 2012
N2 - By assigning intentional clock arrival times to the sequential elements in a circuit, clock skew scheduling (CSS) techniques can be utilized to improve IC performance. Existing CSS solutions work in a conservative manner that guarantees "always correct" computation, and hence their effectiveness is greatly challenged by the ever-increasing process variation effects. By allowing infrequent timing errors and recovering from them with minor performance impact, timing speculation techniques such as Razor have gained wide interests from both academia and industry. In this work, we formulate the clock skew scheduling problem for circuits equipped with timing speculation capability and propose a novel CSS algorithm based on gradient-descent method. Experimental results on various benchmark circuits demonstrate the effectiveness of our proposed methodology.
AB - By assigning intentional clock arrival times to the sequential elements in a circuit, clock skew scheduling (CSS) techniques can be utilized to improve IC performance. Existing CSS solutions work in a conservative manner that guarantees "always correct" computation, and hence their effectiveness is greatly challenged by the ever-increasing process variation effects. By allowing infrequent timing errors and recovering from them with minor performance impact, timing speculation techniques such as Razor have gained wide interests from both academia and industry. In this work, we formulate the clock skew scheduling problem for circuits equipped with timing speculation capability and propose a novel CSS algorithm based on gradient-descent method. Experimental results on various benchmark circuits demonstrate the effectiveness of our proposed methodology.
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M3 - Conference contribution
AN - SCOPUS:84862069800
SN - 9783981080186
T3 - Proceedings -Design, Automation and Test in Europe, DATE
SP - 929
EP - 934
BT - Proceedings - Design, Automation and Test in Europe Conference and Exhibition, DATE 2012
T2 - 15th Design, Automation and Test in Europe Conference and Exhibition, DATE 2012
Y2 - 12 March 2012 through 16 March 2012
ER -