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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao https://doi.org/10.1...arrow_drop_down
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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Optimal bounded-skew steiner trees to minimize maximum k -active dynamic power

Authors: Hamed Fatemi; Andrew B. Kahng; Minsoo Kim; José Pineda de Gyvez;

Optimal bounded-skew steiner trees to minimize maximum k -active dynamic power

Abstract

Static Random-Access Memory (SRAM) is a key component of modern systems-on-chip (SOCs), appearing in on-chip cache memories, FIFOs, and register files. Increasingly, modern SOCs embed more memory hierarchies and various modules which require on-chip memory accesses due to the high cost of off-chip memory accesses, and the lower power density of memory fabrics that helps reduce need for “dark silicon”. For such memory-dominated chips, the product specification and electronic device designers will focus on the maximum power consumption across all power usage scenarios, where a portion of memories are active and others are turned off by clock/power gates. In this work, we introduce and study k-active dynamic power minimization in bounded-skew trees, where we seek to minimize the maximum dynamic power consumption when at most $k$ clock sinks are active. The sizes of SRAM blocks and the SOC die, relative to buffer distances in advanced nodes, effectively linearize clock power and wirelength of clock subtrees. We can therefore apply an extension of a flow-based ILP for bounded-skew Steiner tree construction, introduced at SLIP-2018 [1]. We also introduce and study k-consecutive-active dynamic power minimization in scenarios where only consecutively-indexed clock sinks can be active simultaneously. Further, we demonstrate how non-uniform underlying grids enable the ILP to more flexibly capture locations of terminals of trees. Finally, we study the potential tree cost reduction benefit of flexible clock source locations rather than fixed source locations. Our experimental results give new insight into the tradeoff of maximum k-( consecutive)-active dynamic power and wirelength, and of skew and wirelength.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
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