Net weighting to reduce repeater counts during placement

Brent Goplen; Prashant Saxena; Sachin Sapatnekar

doi:10.1109/dac.2005.193861

Net weighting to reduce repeater counts during placement

Brent Goplen, Prashant Saxena, Sachin Sapatnekar

Electrical and Computer Engineering

Research output: Contribution to journal › Conference article › peer-review

5 Scopus citations

Abstract

We demonstrate how to use placement to ameliorate the predicted repeater explosion problem caused by poor interconnect scaling. We achieve repeater count reduction by dynamically modifying net weights in a context-sensitive manner during global placement and coarse legalization. Our scheme, which models layer assignment as well as valid inter-repeater distance ranges, can decrease the repeater counts significantly with minimal impact on wirelength.

Original language	English (US)
Article number	30.2
Pages (from-to)	503-508
Number of pages	6
Journal	Proceedings - Design Automation Conference
DOIs	https://doi.org/10.1109/dac.2005.193861
State	Published - 2005
Event	42nd Design Automation Conference, DAC 2005 - Anaheim, CA, United States Duration: Jun 13 2005 → Jun 17 2005

Keywords

Buffering
Force-directed placement
Interconnect
Net weighting
Placement
Repeater
Scaling

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abstract = "We demonstrate how to use placement to ameliorate the predicted repeater explosion problem caused by poor interconnect scaling. We achieve repeater count reduction by dynamically modifying net weights in a context-sensitive manner during global placement and coarse legalization. Our scheme, which models layer assignment as well as valid inter-repeater distance ranges, can decrease the repeater counts significantly with minimal impact on wirelength.",

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language = "English (US)",

pages = "503--508",

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T1 - Net weighting to reduce repeater counts during placement

AU - Goplen, Brent

AU - Saxena, Prashant

AU - Sapatnekar, Sachin

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AB - We demonstrate how to use placement to ameliorate the predicted repeater explosion problem caused by poor interconnect scaling. We achieve repeater count reduction by dynamically modifying net weights in a context-sensitive manner during global placement and coarse legalization. Our scheme, which models layer assignment as well as valid inter-repeater distance ranges, can decrease the repeater counts significantly with minimal impact on wirelength.

KW - Buffering

KW - Force-directed placement

KW - Interconnect

KW - Net weighting

KW - Placement

KW - Repeater

KW - Scaling

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DO - 10.1109/dac.2005.193861

M3 - Conference article

AN - SCOPUS:27944437839

SN - 0738-100X

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EP - 508

JO - Proceedings - Design Automation Conference

JF - Proceedings - Design Automation Conference

M1 - 30.2

T2 - 42nd Design Automation Conference, DAC 2005

Y2 - 13 June 2005 through 17 June 2005

ER -

Net weighting to reduce repeater counts during placement

Abstract

Keywords

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