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Proceedings of the 38th Design Automation Conference (IEEE Cat. No.01CH37232)最新文献

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Efficient DDD-based symbolic analysis of large linear analog circuits 基于ddd的大型线性模拟电路的高效符号分析
Proceedings of the 38th Design Automation Conference (IEEE Cat. No.01CH37232) Pub Date : 2001-06-22 DOI: 10.1145/378239.378384
Wim Verhaegen, G. Gielen
{"title":"Efficient DDD-based symbolic analysis of large linear analog circuits","authors":"Wim Verhaegen, G. Gielen","doi":"10.1145/378239.378384","DOIUrl":"https://doi.org/10.1145/378239.378384","url":null,"abstract":"A new technique for generating approximate symbolic expressions for network functions in linear(ized) analog circuits is presented. It is based on the compact determinant decision diagram (DDD) representation of the circuit. An implementation of a term generation algorithm is given and its performance is compared to a matroid-based algorithm. Experimental results indicate that our approach is the fastest reported algorithm so far for this application.","PeriodicalId":154316,"journal":{"name":"Proceedings of the 38th Design Automation Conference (IEEE Cat. No.01CH37232)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133722468","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 24
Achieving 550 MHz in an ASIC methodology 在ASIC方法中实现550mhz
Proceedings of the 38th Design Automation Conference (IEEE Cat. No.01CH37232) Pub Date : 2001-06-22 DOI: 10.1145/378239.378542
D. Chinnery, B. Nikolić, K. Keutzer
{"title":"Achieving 550 MHz in an ASIC methodology","authors":"D. Chinnery, B. Nikolić, K. Keutzer","doi":"10.1145/378239.378542","DOIUrl":"https://doi.org/10.1145/378239.378542","url":null,"abstract":"Typically, good automated ASIC designs may be two to five times slower than handcrafted custom designs. At last year's DAC this was examined and causes of the speed gap between custom circuits and ASICs were identified. In particular, faster custom speeds are achieved by a combination of factors: good architecture with well-balanced pipelines; compact logic design; timing overhead minimization; careful floorplanning, partitioning and placement; dynamic logic; post-layout transistor and wire sizing; and speed binning of chips. Closing the speed gap requires improving these same factors in ASICs, as far as possible. In this paper we examine a practical example of how these factors may be improved in ASICs. In particular we show how techniques commonly found in custom design were applied to design a high-speed 550 MHz disk drive read channel in an ASIC design flow.","PeriodicalId":154316,"journal":{"name":"Proceedings of the 38th Design Automation Conference (IEEE Cat. No.01CH37232)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114857337","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 16
Timing driven placement using physical net constraints 使用物理网络约束的定时驱动放置
Proceedings of the 38th Design Automation Conference (IEEE Cat. No.01CH37232) Pub Date : 2001-06-22 DOI: 10.1145/378239.379065
Bill Halpin, C. Y. Chen, Naresh Sehgal
{"title":"Timing driven placement using physical net constraints","authors":"Bill Halpin, C. Y. Chen, Naresh Sehgal","doi":"10.1145/378239.379065","DOIUrl":"https://doi.org/10.1145/378239.379065","url":null,"abstract":"This paper presents a new timing driven placement algorithm that explicitly meets physical net lengths constraints. It is the first recursive bi-section placement (RBP) algorithm that meets precise half perimeter bounding box constraints on critical nets. At each level of the recursive bi-section, we use linear programming to ensure that all net constraints are met. Our method can easily be incorporated with existing RBP methods. We use the net constraint based placer to improve timing results by setting and meeting constraints on timing critical nets. We report significantly better timing results on each of the MCNC benchmarks and achieve an average optimization exploitation of 69% versus previously reported 53%.","PeriodicalId":154316,"journal":{"name":"Proceedings of the 38th Design Automation Conference (IEEE Cat. No.01CH37232)","volume":"182 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115267030","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 63
An algorithm for bi-decomposition of logic functions 逻辑函数双分解算法
Proceedings of the 38th Design Automation Conference (IEEE Cat. No.01CH37232) Pub Date : 2001-06-22 DOI: 10.1145/378239.378353
A. Mishchenko, B. Steinbach, M. Perkowski
{"title":"An algorithm for bi-decomposition of logic functions","authors":"A. Mishchenko, B. Steinbach, M. Perkowski","doi":"10.1145/378239.378353","DOIUrl":"https://doi.org/10.1145/378239.378353","url":null,"abstract":"We propose a new BDD-based method for decomposition of multi-output incompletely specified logic functions into netlists of two-input logic gates. The algorithm uses the internal don't-cares during the decomposition to produce compact well-balanced netlists with short delay. The resulting netlists are provably nonredundant and facilitate test pattern generation. Experimental results over MCNC benchmarks show that our approach outperforms SIS and other BDD-based decomposition methods in terms of area and delay of the resulting circuits with comparable CPU time.","PeriodicalId":154316,"journal":{"name":"Proceedings of the 38th Design Automation Conference (IEEE Cat. No.01CH37232)","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123579975","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 116
Factoring and recognition of read-once functions using cographs and normality 利用图形和正态性分解和识别读一次函数
Proceedings of the 38th Design Automation Conference (IEEE Cat. No.01CH37232) Pub Date : 2001-06-22 DOI: 10.1145/378239.378356
M. Golumbic, A. Mintz, Udi Rotics
{"title":"Factoring and recognition of read-once functions using cographs and normality","authors":"M. Golumbic, A. Mintz, Udi Rotics","doi":"10.1145/378239.378356","DOIUrl":"https://doi.org/10.1145/378239.378356","url":null,"abstract":"An approach for factoring general Boolean functions was described [Golumbic, M et al., 1999] which is based on graph partitioning algorithms. In this paper, we present a very fast algorithm for recognizing and factoring read-once functions which is needed as a dedicated factoring subroutine to handle the lower levels of that factoring process. The algorithm is based on algorithms for cograph recognition and on checking normality. Our method has been implemented in the SIS environment, and an empirical evaluation is given.","PeriodicalId":154316,"journal":{"name":"Proceedings of the 38th Design Automation Conference (IEEE Cat. No.01CH37232)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122860746","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 33
Analysis of on-chip inductance effects using a novel performance optimization methodology for distributed RLC interconnects 基于新型性能优化方法的分布式RLC互连片上电感效应分析
Proceedings of the 38th Design Automation Conference (IEEE Cat. No.01CH37232) Pub Date : 2001-06-22 DOI: 10.1145/378239.379069
K. Banerjee, A. Mehrotra
{"title":"Analysis of on-chip inductance effects using a novel performance optimization methodology for distributed RLC interconnects","authors":"K. Banerjee, A. Mehrotra","doi":"10.1145/378239.379069","DOIUrl":"https://doi.org/10.1145/378239.379069","url":null,"abstract":"This work presents a new and computationally efficient performance optimization technique for distributed RLC interconnects based on a rigorous delay computation scheme. The new optimization technique has been employed to analyze the impact of line inductance on the circuit behaviour and to illustrate the implications of technology scaling on wire inductance. It is shown that reduction in the driver capacitance and output resistance with scaling makes deep submicron (DSM) designs increasingly susceptible to inductance effects. Also, the impact of inductance variations on performance has been quantified. Additionally, the impact of the wire inductance on catastrophic logic failures and IC reliability issues have been analyzed.","PeriodicalId":154316,"journal":{"name":"Proceedings of the 38th Design Automation Conference (IEEE Cat. No.01CH37232)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122611599","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 29
Practical application of full-feature alternating phase-shifting technology for a phase-aware standard-cell design flow 全功能交流移相技术在相感标准电池设计流程中的实际应用
Proceedings of the 38th Design Automation Conference (IEEE Cat. No.01CH37232) Pub Date : 2001-06-22 DOI: 10.1145/378239.378346
Michael Sanie, M. Côté, P. Hurat, V. Malhotra
{"title":"Practical application of full-feature alternating phase-shifting technology for a phase-aware standard-cell design flow","authors":"Michael Sanie, M. Côté, P. Hurat, V. Malhotra","doi":"10.1145/378239.378346","DOIUrl":"https://doi.org/10.1145/378239.378346","url":null,"abstract":"As the semiconductor industry enters the subwavelength era where silicon features are much smaller than the wavelength of the light used to create them, a number of \"subwavelength\" technologies such as Optical Proximity Correction (OPC) and Phase-Shifting Masks (PSM) have been introduced to produce integrated circuits (ICs) with acceptable yields. An effective approach to subwavelength IC production includes a combination of these techniques, including OPC and PSM. Nevertheless, as we approach silicon features of 100 nm and below, Alternating PSM (AltPSM) becomes a critical part of the technology portfolio needed to achieve IC requirements. An effective EDA methodology that generates AltPSM ICs must guarantee correct generation of AltPSM layouts, maintain today's design productivity, and leverage existing tools and flows. The implementation of such a methodology becomes more complex as phase shifting is applied to all critical features, including those outside transistor gates. In this paper, we present a methodology targeted for standard-cell or structured-custom design styles. We also present examples of designs that start from standard-cells created in a manner in which all issues regarding generation of AltPSM are effectively considered, and are then used in a typical cell-based (synthesis-automatic place and route) flow to produce design layouts that are ready for cost-effective silicon manufacturing.","PeriodicalId":154316,"journal":{"name":"Proceedings of the 38th Design Automation Conference (IEEE Cat. No.01CH37232)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121092406","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
Inductance 101: analysis and design issues 电感101:分析与设计问题
Proceedings of the 38th Design Automation Conference (IEEE Cat. No.01CH37232) Pub Date : 2001-06-22 DOI: 10.1145/378239.378501
Kaushik Gala, D. Blaauw, Junfeng Wang, V. Zolotov, Min Zhao
{"title":"Inductance 101: analysis and design issues","authors":"Kaushik Gala, D. Blaauw, Junfeng Wang, V. Zolotov, Min Zhao","doi":"10.1145/378239.378501","DOIUrl":"https://doi.org/10.1145/378239.378501","url":null,"abstract":"With operating frequencies approaching the gigahertz range, inductance is becoming an increasingly important consideration in the design and analysis of on-chip interconnect. In this paper we give a tutorial overview of the analysis and design issues related to on-chip inductance effects. We explain the complexity of the current flow in VLSI circuits. We discuss the applicability of the PEEC approach in a derailed circuit model of the signal and power grid interconnect, switching devices, power pads and the package. Further we explain techniques that can be used to speed-up simulation of the large PEEC model. We then discuss a simplified model that uses the so-called loop inductance approach, and compare it with the detailed model. We present experimental results, obtained from simulations of industrial circuits, for both the PEEC and loop models. We also cover design techniques that can help tackle the on-chip inductance issues.","PeriodicalId":154316,"journal":{"name":"Proceedings of the 38th Design Automation Conference (IEEE Cat. No.01CH37232)","volume":"110 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116324104","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 49
Analysis of non-uniform temperature-dependent interconnect performance in high performance ICs 高性能集成电路中非均匀温度相关互连性能分析
Proceedings of the 38th Design Automation Conference (IEEE Cat. No.01CH37232) Pub Date : 2001-06-22 DOI: 10.1145/378239.379025
A. Ajami, K. Banerjee, Massoud Pedram, L. V. Ginneken
{"title":"Analysis of non-uniform temperature-dependent interconnect performance in high performance ICs","authors":"A. Ajami, K. Banerjee, Massoud Pedram, L. V. Ginneken","doi":"10.1145/378239.379025","DOIUrl":"https://doi.org/10.1145/378239.379025","url":null,"abstract":"Non-uniform temperature profiles along global interconnect lines in high-performance ICs can significantly impact the performance of these lines. This paper presents a detailed analysis and modeling of the interconnect performance degradation due to non-uniform temperature profiles that exist along their lengths, which in turn arise due to the thermal gradients in the underlying substrate. A non-uniform temperature-dependent distributed RC interconnect delay model is proposed for the first time. The model has been applied to a wide variety of interconnect layouts and temperature distributions to quantify the impact on signal integrity issues including clock skew fluctuations.","PeriodicalId":154316,"journal":{"name":"Proceedings of the 38th Design Automation Conference (IEEE Cat. No.01CH37232)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124428143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 60
A semi-custom design flow in high-performance microprocessor design 高性能微处理器设计中的半定制设计流程
Proceedings of the 38th Design Automation Conference (IEEE Cat. No.01CH37232) Pub Date : 2001-06-22 DOI: 10.1145/378239.378546
G. Northrop, P. Lu
{"title":"A semi-custom design flow in high-performance microprocessor design","authors":"G. Northrop, P. Lu","doi":"10.1145/378239.378546","DOIUrl":"https://doi.org/10.1145/378239.378546","url":null,"abstract":"In this paper we present techniques shown to significantly enhance the custom circuit design process typical of high-performance microprocessors. This methodology combines flexible custom circuit design with automated tuning and physical design tools to provide new opportunities to optimized design throughout the development cycle.","PeriodicalId":154316,"journal":{"name":"Proceedings of the 38th Design Automation Conference (IEEE Cat. No.01CH37232)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130622783","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 42
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