2010 Design, Automation & Test in Europe Conference & Exhibition (DATE 2010)最新文献

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A new approach for adaptive failure diagnostics based on emulation test 一种基于仿真测试的自适应故障诊断方法
2010 Design, Automation & Test in Europe Conference & Exhibition (DATE 2010) Pub Date : 2010-03-08 DOI: 10.1109/DATE.2010.5457183
Steffen Ostendorff, H. Wuttke, Jörg Sachße, S. Köhler
{"title":"A new approach for adaptive failure diagnostics based on emulation test","authors":"Steffen Ostendorff, H. Wuttke, Jörg Sachße, S. Köhler","doi":"10.1109/DATE.2010.5457183","DOIUrl":"https://doi.org/10.1109/DATE.2010.5457183","url":null,"abstract":"The paper describes a new approach of boundary scan emulation based testing for adaptive failure diagnostics using programmable logic. The motivation to speed up boundary scan based testing as well as the approach taken for this new concept and architecture are presented. With this approach the possibilities of boundary scan testing can be extended by using the available on-board resources for a faster and more real-time oriented test. The new options and benefits, as well as the necessary fundamentals of this approach are indicated. An example and first test results are given as well, to indicate the advantage of the proposed system.","PeriodicalId":432902,"journal":{"name":"2010 Design, Automation & Test in Europe Conference & Exhibition (DATE 2010)","volume":"180 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114372486","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: 10
Behavioral level dual-vth design for reduced leakage power with thermal awareness 行为级双v设计,减少泄漏功率与热意识
2010 Design, Automation & Test in Europe Conference & Exhibition (DATE 2010) Pub Date : 2010-03-08 DOI: 10.1109/DATE.2010.5457000
Junbo Yu, Qiang Zhou, G. Qu, Jinian Bian
{"title":"Behavioral level dual-vth design for reduced leakage power with thermal awareness","authors":"Junbo Yu, Qiang Zhou, G. Qu, Jinian Bian","doi":"10.1109/DATE.2010.5457000","DOIUrl":"https://doi.org/10.1109/DATE.2010.5457000","url":null,"abstract":"Dual-Vth design is an effective leakage power reduction technique at behavioral synthesis level. It allows designers to replace modules on non-critical path with the high-Vth implementation. However, the existing constructive algorithms fail to find the optimal solution due to the complexity of the problem and do not consider the on-chip temperature variation. In this paper, we propose a two-stage thermal-dependent leakage power minimization algorithm by using dual-Vth library during behavioral synthesis. In the first stage, we quantitatively evaluate the timing impact on other modules caused by replacing certain modules with high Vth. Based on this analysis and the characteristics of the dual-Vth module library, we generate a small set of candidate solutions for the module replacement. Then in the second stage, we obtain the on-chip thermal information from thermal-aware floorplanning and thermal analysis to select the final solution from the candidate set. Experimental results show an average of 17.8% saving in leakage power consumption and a slightly shorter runtime compared to the best known work. In most cases, our algorithm can actually find the optimal solutions obtained from a complete solution space exploration.","PeriodicalId":432902,"journal":{"name":"2010 Design, Automation & Test in Europe Conference & Exhibition (DATE 2010)","volume":"105 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116329311","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: 6
SigNet: Network-on-chip filtering for coarse vector directories SigNet:用于粗矢量目录的片上网络过滤
2010 Design, Automation & Test in Europe Conference & Exhibition (DATE 2010) Pub Date : 2010-03-08 DOI: 10.1109/DATE.2010.5457028
Natalie D. Enright Jerger
{"title":"SigNet: Network-on-chip filtering for coarse vector directories","authors":"Natalie D. Enright Jerger","doi":"10.1109/DATE.2010.5457028","DOIUrl":"https://doi.org/10.1109/DATE.2010.5457028","url":null,"abstract":"Scalable cache coherence is imperative as systems move into the many-core era with cores counts numbering in the hundreds. Directory protocols are often favored as more scalable in terms of bandwidth requirements than broadcast protocols; however, directories incur storage overheads that can become prohibitive with large systems. In this paper, we explore the impact that reducing directory overheads has on the network-on-chip and propose SigNet to mitigate these issues. SigNet utilizes signatures within the network fabric to filter out extraneous requests prior to reaching their destination. Overall, we demonstrate average reductions in interconnect activity of 21% and latency improvements of 20% over a coarse vector directory while utilizing as little as 25% of the area of a full-map directory.","PeriodicalId":432902,"journal":{"name":"2010 Design, Automation & Test in Europe Conference & Exhibition (DATE 2010)","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126325106","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: 7
Variability-aware reliability simulation of mixed-signal ICs with quasi-linear complexity 准线性复杂度混合信号集成电路的可变性感知可靠性仿真
2010 Design, Automation & Test in Europe Conference & Exhibition (DATE 2010) Pub Date : 2010-03-08 DOI: 10.1109/DATE.2010.5456972
Elie Maricau, G. Gielen
{"title":"Variability-aware reliability simulation of mixed-signal ICs with quasi-linear complexity","authors":"Elie Maricau, G. Gielen","doi":"10.1109/DATE.2010.5456972","DOIUrl":"https://doi.org/10.1109/DATE.2010.5456972","url":null,"abstract":"This paper demonstrates a deterministic, variability-aware reliability modeling and simulation method. The purpose of the method is to efficiently simulate failure-time dispersion in circuits subjected to die-level stress effects. A Design of Experiments (DoE) with a quasi-linear complexity is used to build a Response Surface Model (RSM) of the time-dependent circuit behavior. This reduces simulation time, when compared to random-sampling techniques, and guarantees good coverage of the circuit factor space. The DoE consists of a linear screening design, to filter out important circuit factors, followed by a resolution 5 fractional factorial regression design to model the circuit behavior. The method is validated over a broad range of both analog and digital circuits and compared to traditional random-sampling reliability simulation techniques. It is shown to outperform existing simulators with a simulation speed improvement of up to several orders of magnitude. Also, it is proven to have a good simulation accuracy, with an average model error varying from 1.5 to 5 % over all test circuits.","PeriodicalId":432902,"journal":{"name":"2010 Design, Automation & Test in Europe Conference & Exhibition (DATE 2010)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131970500","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: 18
Ultra-low power mixed-signal design platform using subthreshold source-coupled circuits 采用亚阈值源耦合电路的超低功耗混合信号设计平台
2010 Design, Automation & Test in Europe Conference & Exhibition (DATE 2010) Pub Date : 2010-03-08 DOI: 10.1109/DATE.2010.5457110
A. Tajalli, Y. Leblebici
{"title":"Ultra-low power mixed-signal design platform using subthreshold source-coupled circuits","authors":"A. Tajalli, Y. Leblebici","doi":"10.1109/DATE.2010.5457110","DOIUrl":"https://doi.org/10.1109/DATE.2010.5457110","url":null,"abstract":"This article discusses system-level techniques to optimize the power-performance trade-off in subthreshold circuits and presents a uniform platform for implementing ultra-low power power-scalable analog and digital integrated circuits. The proposed technique is based on using subthreshold source-coupled or current-mode approach for both analog and digital circuits. In addition to possibility of operating with ultra-low power dissipation, because of similar basis for constructing analog and digital parts, a common power management unit could be used for optimizing the power-performance of the entire mixed-signal system. Some circuit examples have been provided to show the performance of the proposed circuits in practice.","PeriodicalId":432902,"journal":{"name":"2010 Design, Automation & Test in Europe Conference & Exhibition (DATE 2010)","volume":"113 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132520484","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: 11
Layout-aware pseudo-functional testing for critical paths considering power supply noise effects 考虑电源噪声影响的关键路径布局感知伪功能测试
2010 Design, Automation & Test in Europe Conference & Exhibition (DATE 2010) Pub Date : 2010-03-08 DOI: 10.1109/DATE.2010.5457037
Xiao Liu, Yubin Zhang, F. Yuan, Q. Xu
{"title":"Layout-aware pseudo-functional testing for critical paths considering power supply noise effects","authors":"Xiao Liu, Yubin Zhang, F. Yuan, Q. Xu","doi":"10.1109/DATE.2010.5457037","DOIUrl":"https://doi.org/10.1109/DATE.2010.5457037","url":null,"abstract":"When testing delay faults on critical paths, conventional structural test patterns may be applied in functionally-unreachable states, leading to over-testing or under-testing of the circuits. In this paper, we propose novel layout-aware pseudo-functional testing techniques to tackle the above problem. Firstly, by taking the circuit layout information into account, functional constraints related to delay faults on critical paths are extracted. Then, we generate functionally-reachable test cubes for every true critical path in the circuit. Finally, we fill the don't-care bits in the test cubes to maximize power supply noises on critical paths under the consideration of functional constraints. The effectiveness of the proposed methodology is verified with large ISCAS'89 benchmark circuits.","PeriodicalId":432902,"journal":{"name":"2010 Design, Automation & Test in Europe Conference & Exhibition (DATE 2010)","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131470676","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: 13
Memory testing with a RISC microcontroller 用RISC微控制器进行内存测试
2010 Design, Automation & Test in Europe Conference & Exhibition (DATE 2010) Pub Date : 2010-03-08 DOI: 10.1109/DATE.2010.5457210
A. V. Goor, G. Gaydadjiev, S. Hamdioui
{"title":"Memory testing with a RISC microcontroller","authors":"A. V. Goor, G. Gaydadjiev, S. Hamdioui","doi":"10.1109/DATE.2010.5457210","DOIUrl":"https://doi.org/10.1109/DATE.2010.5457210","url":null,"abstract":"Many systems are based on embedded microcontrollers. Applications demand for production and Power-On testing, including memory testing. Because low-end microcontrollers may not have memory BIST, the CPU will be the only resource to perform at least the Power-On tests. This paper shows the problems, solutions and limitations of CPU-based at-speed memory testing, illustrated with examples from the ATMEL RISC microcontroller.","PeriodicalId":432902,"journal":{"name":"2010 Design, Automation & Test in Europe Conference & Exhibition (DATE 2010)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132984182","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: 31
Cool MPSoC programming 酷酷的MPSoC编程
2010 Design, Automation & Test in Europe Conference & Exhibition (DATE 2010) Pub Date : 2010-03-08 DOI: 10.1109/DATE.2010.5457047
R. Leupers, L. Thiele, Xiaoning Nie, B. Kienhuis, Matthias Weiss, T. Isshiki
{"title":"Cool MPSoC programming","authors":"R. Leupers, L. Thiele, Xiaoning Nie, B. Kienhuis, Matthias Weiss, T. Isshiki","doi":"10.1109/DATE.2010.5457047","DOIUrl":"https://doi.org/10.1109/DATE.2010.5457047","url":null,"abstract":"This paper summarizes a special session on multi-core/multi-processor system-on-chip (MPSoC) programming challenges. Wireless multimedia terminals are among the key drivers for MPSoC platform evolution. Heterogeneous multi-processor architectures achieve high performance and can lead to a significant reduction in energy consumption for this class of applications. However, just designing energy efficient hardware is not enough. Programming models and tools for efficient MPSoC programming are equally important to ensure optimum platform utilization. Unfortunately, this discipline is still in its infancy, which endangers the return on investment for MPSoC architecture designs. On one hand there is a need for maintaining and gradually porting a large amount of legacy code to MPSoCs. On the other hand, special C language extensions for parallel programming as well as adapted process network programming models provide a great opportunity to completely rethink the traditional sequential programming paradigm for sake of higher efficiency and productivity. MPSoC programming is more than just code parallelisation, though. Besides energy efficiency, limited and specialized processing resources, and real-time constraints also growing software complexity and mapping of simultaneous applications need to be taken into account. We analyze the programming methodology requirements for heterogeneous MPSoC platforms and outline new approaches.","PeriodicalId":432902,"journal":{"name":"2010 Design, Automation & Test in Europe Conference & Exhibition (DATE 2010)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132811457","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: 10
Ultra-high throughput string matching for Deep Packet Inspection 用于深度包检测的超高吞吐量字符串匹配
2010 Design, Automation & Test in Europe Conference & Exhibition (DATE 2010) Pub Date : 2010-03-08 DOI: 10.1109/DATE.2010.5457172
A. Kennedy, Xiaojun Wang, Z. Liu, B. Liu
{"title":"Ultra-high throughput string matching for Deep Packet Inspection","authors":"A. Kennedy, Xiaojun Wang, Z. Liu, B. Liu","doi":"10.1109/DATE.2010.5457172","DOIUrl":"https://doi.org/10.1109/DATE.2010.5457172","url":null,"abstract":"Deep Packet Inspection (DPI) involves searching a packet's header and payload against thousands of rules to detect possible attacks. The increase in Internet usage and growing number of attacks which must be searched for has meant hardware acceleration has become essential in the prevention of DPI becoming a bottleneck to a network if used on an edge or core router. In this paper we present a new multi-pattern matching algorithm which can search for the fixed strings contained within these rules at a guaranteed rate of one character per cycle independent of the number of strings or their length. Our algorithm is based on the Aho-Corasick string matching algorithm with our modifications resulting in a memory reduction of over 98% on the strings tested from the Snort ruleset. This allows the search structures needed for matching thousands of strings to be small enough to fit in the on-chip memory of an FPGA. Combined with a simple architecture for hardware, this leads to high throughput and low power consumption. Our hardware implementation uses multiple string matching engines working in parallel to search through packets. It can achieve a throughput of over 40 Gbps (OC-768) when implemented on a Stratix 3 FPGA and over 10 Gbps (OC-192) when implemented on the lower power Cyclone 3 FPGA.","PeriodicalId":432902,"journal":{"name":"2010 Design, Automation & Test in Europe Conference & Exhibition (DATE 2010)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117320501","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: 12
Intent-leveraged optimization of analog circuits via homotopy 基于同伦的模拟电路意图杠杆优化
2010 Design, Automation & Test in Europe Conference & Exhibition (DATE 2010) Pub Date : 2010-03-08 DOI: 10.1109/DATE.2010.5457068
M. Jeeradit, Jaeha Kim, M. Horowitz
{"title":"Intent-leveraged optimization of analog circuits via homotopy","authors":"M. Jeeradit, Jaeha Kim, M. Horowitz","doi":"10.1109/DATE.2010.5457068","DOIUrl":"https://doi.org/10.1109/DATE.2010.5457068","url":null,"abstract":"This paper proposes a circuit optimization approach that can ease the computational burden on the simulation-based circuit optimizers by leveraging simple design equations that reflect the designer's intent. The technique is inspired by continuation methods (a.k.a. homotopy) in numerical analysis where a hard problem is solved by constructing an easier problem first and gradually refining its solution to that of the hard problem. In a circuit optimization context, the designer's simplified equations for the circuit serve as the easier problem. These simplified design equations are easy to write as they need not be completely accurate and have intuitive, well-understood solutions. Nonetheless, in several circuit examples, it was found that the designer's equations serve as better guidance than the conventional, fixed-point equations. As a result, the proposed approach demonstrates the better convergence to the desired solution with less computational efforts.","PeriodicalId":432902,"journal":{"name":"2010 Design, Automation & Test in Europe Conference & Exhibition (DATE 2010)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130789393","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: 1
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