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Proceedings of the 8th Great Lakes Symposium on VLSI (Cat. No.98TB100222)最新文献

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Low-power design of finite field multipliers for wireless applications 无线应用有限场乘法器的低功耗设计
Proceedings of the 8th Great Lakes Symposium on VLSI (Cat. No.98TB100222) Pub Date : 1998-02-19 DOI: 10.1109/GLSV.1998.665193
A. Wassal, M. A. Hasan, M. Elmasry
{"title":"Low-power design of finite field multipliers for wireless applications","authors":"A. Wassal, M. A. Hasan, M. Elmasry","doi":"10.1109/GLSV.1998.665193","DOIUrl":"https://doi.org/10.1109/GLSV.1998.665193","url":null,"abstract":"Unlike most research involving finite field multipliers, this work targets a low-power multiplier through the application of various power reduction techniques to different types of multipliers and comparing their power consumption among other factors, rather than comparing complexity measures such as gate count or area. Gate count is used as a starting point to choose potential architectures, namely, polynomial and normal basis architectures. Power reduction techniques employed are mainly concerned with architecture- and logic-level low-power techniques. They include supply voltage reduction, power cost estimations, using low-power logic families and pipelining.","PeriodicalId":225107,"journal":{"name":"Proceedings of the 8th Great Lakes Symposium on VLSI (Cat. No.98TB100222)","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126652904","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: 5
Guidelines for use of registers and multiplexers in low power low voltage DSP systems 低功率低电压DSP系统中寄存器和多路复用器的使用指南
Proceedings of the 8th Great Lakes Symposium on VLSI (Cat. No.98TB100222) Pub Date : 1998-02-19 DOI: 10.1109/GLSV.1998.665194
D. Suvakovic, C. Salama
{"title":"Guidelines for use of registers and multiplexers in low power low voltage DSP systems","authors":"D. Suvakovic, C. Salama","doi":"10.1109/GLSV.1998.665194","DOIUrl":"https://doi.org/10.1109/GLSV.1998.665194","url":null,"abstract":"Registers and datapath multiplexers exist in most DSP datapaths. Although not performing computations, they are necessary for the dataflow control and they consume energy. This paper describes the nature of register and multiplexer energy consumption in modern low power CMOS processes, shows its strong dependence on architectural and layout design and provides practical design guidelines for micropower implementation.","PeriodicalId":225107,"journal":{"name":"Proceedings of the 8th Great Lakes Symposium on VLSI (Cat. No.98TB100222)","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123804630","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: 2
Modeling of shift register-based ATM switch 基于移位寄存器的ATM交换机建模
Proceedings of the 8th Great Lakes Symposium on VLSI (Cat. No.98TB100222) Pub Date : 1998-02-19 DOI: 10.1109/GLSV.1998.665216
Sandeep Agarwal, F. E. Guibaly
{"title":"Modeling of shift register-based ATM switch","authors":"Sandeep Agarwal, F. E. Guibaly","doi":"10.1109/GLSV.1998.665216","DOIUrl":"https://doi.org/10.1109/GLSV.1998.665216","url":null,"abstract":"In this paper, we present the modeling of shift register-based ATM switch to find the cell loss probability, throughput and delay. The results are compared with other switch architectures based on input queueing, input smoothing, output queueing and completely shared buffering. It is observed that although our switch is an input-buffered switch, its performance is better than other switches based on traditional queuing approaches.","PeriodicalId":225107,"journal":{"name":"Proceedings of the 8th Great Lakes Symposium on VLSI (Cat. No.98TB100222)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123853943","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
Low-power driven scheduling and binding 低功耗驱动的调度和绑定
Proceedings of the 8th Great Lakes Symposium on VLSI (Cat. No.98TB100222) Pub Date : 1998-02-19 DOI: 10.1109/GLSV.1998.665335
Jim E. Crenshaw, M. Sarrafzadeh
{"title":"Low-power driven scheduling and binding","authors":"Jim E. Crenshaw, M. Sarrafzadeh","doi":"10.1109/GLSV.1998.665335","DOIUrl":"https://doi.org/10.1109/GLSV.1998.665335","url":null,"abstract":"We investigate the problem of exploiting signal correlation between operations to find a schedule and binding which minimizes switching. We propose several heuristics to solve the problem. Experimentally, we give an algorithm for scheduling communications on a bus, which reduces bus switching up to 60%, without increasing the number of cycles required for the schedule. Low-power scheduling efforts in the literature have focused on decreasing the number of cycles in the schedule so that the voltage required to run the resulting circuit can be lowered. However, the number of voltages supplied to a chip is likely to be limited, so among the processes to be implemented, typically only a few will determine the minimum voltages, and the rest will have slack in their schedules. Therefore it is interesting to inquire about the impact of scheduling which does not reduce the number of time steps in order to decrease switching. In this paper, we show that power-aware scheduling can lead to significant decreases in switching, often without an increase in the number of time steps required. The technique is general, and can be used to schedule operations on any kind of resources.","PeriodicalId":225107,"journal":{"name":"Proceedings of the 8th Great Lakes Symposium on VLSI (Cat. No.98TB100222)","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121366683","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
A VLSI high-performance encoder with priority lookahead 具有优先级前瞻性的VLSI高性能编码器
Proceedings of the 8th Great Lakes Symposium on VLSI (Cat. No.98TB100222) Pub Date : 1998-02-19 DOI: 10.1109/GLSV.1998.665200
J. Delgado-Frías, J. Nyathi
{"title":"A VLSI high-performance encoder with priority lookahead","authors":"J. Delgado-Frías, J. Nyathi","doi":"10.1109/GLSV.1998.665200","DOIUrl":"https://doi.org/10.1109/GLSV.1998.665200","url":null,"abstract":"In this paper we introduce a VLSI priority encoder that uses a novel priority lookahead scheme to reduce the delay for the worst case operation of the circuit, while maintaining a very low transistor count. The encoder's topmost input request has the highest priority; this priority descends linearly. Two design approaches for the priority encoder are presented, one without a priority lookahead scheme and one with a priority lookahead scheme. For an N-bit encoder, the circuit with the priority lookahead scheme requires only 1.094 times the number of transistors of the circuit without the priority lookahead scheme. Having a 32-bit encoder as an example, the circuit with the priority lookahead scheme is 2.59 times faster than the circuit without the priority lookahead. The worst case operation delay is 4.4 ns for this lookahead encoder, using a 1-/spl mu/m scalable CMOS technology. The proposed lookahead scheme can be extended to larger encoders.","PeriodicalId":225107,"journal":{"name":"Proceedings of the 8th Great Lakes Symposium on VLSI (Cat. No.98TB100222)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132369909","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
Issues in the design of domino logic circuits 多米诺逻辑电路设计中的若干问题
Proceedings of the 8th Great Lakes Symposium on VLSI (Cat. No.98TB100222) Pub Date : 1998-02-19 DOI: 10.1109/GLSV.1998.665208
Pranjal Srivastava, Andrew Pua, Larry Welch
{"title":"Issues in the design of domino logic circuits","authors":"Pranjal Srivastava, Andrew Pua, Larry Welch","doi":"10.1109/GLSV.1998.665208","DOIUrl":"https://doi.org/10.1109/GLSV.1998.665208","url":null,"abstract":"Domino logic circuits have become extremely popular in the design of today's high performance processors because they offer fast switching speeds and reduced areas. However, the use of domino logic introduces many design risks because it is very sensitive to noise, circuit and layout topologies. This paper identifies issues that might cause domino logic circuits to fail, and discusses some possible solutions to alleviate these problems.","PeriodicalId":225107,"journal":{"name":"Proceedings of the 8th Great Lakes Symposium on VLSI (Cat. No.98TB100222)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122523167","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: 65
Top-down design using cycle based simulation: an MPEG A/V decoder example 自上而下的设计使用周期为基础的仿真:一个MPEG A/V解码器的例子
Proceedings of the 8th Great Lakes Symposium on VLSI (Cat. No.98TB100222) Pub Date : 1998-02-19 DOI: 10.1109/GLSV.1998.665333
D. Hocevar, C. Hung, Daniel C. Pickens, S. Sriram
{"title":"Top-down design using cycle based simulation: an MPEG A/V decoder example","authors":"D. Hocevar, C. Hung, Daniel C. Pickens, S. Sriram","doi":"10.1109/GLSV.1998.665333","DOIUrl":"https://doi.org/10.1109/GLSV.1998.665333","url":null,"abstract":"This paper presents a discussion of a top-down VLSI design approach which involves system level performance modeling, block level cycle based simulation, RTL/VHDL simulation and gate level emulation. An MPEG-2 audio/video decoder design example illustrates the use of this top-down approach. Most of the discussion concentrates on the concept of block level cycle based (BLCB) simulation. HW/SW co-design also played an important role in this work and our approach towards such co-design is discussed as well.","PeriodicalId":225107,"journal":{"name":"Proceedings of the 8th Great Lakes Symposium on VLSI (Cat. No.98TB100222)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131741973","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: 4
Merged arithmetic for computing wavelet transforms 计算小波变换的合并算法
Proceedings of the 8th Great Lakes Symposium on VLSI (Cat. No.98TB100222) Pub Date : 1998-02-19 DOI: 10.1109/GLSV.1998.665225
Gwangwoo Choe, E. Swartzlander
{"title":"Merged arithmetic for computing wavelet transforms","authors":"Gwangwoo Choe, E. Swartzlander","doi":"10.1109/GLSV.1998.665225","DOIUrl":"https://doi.org/10.1109/GLSV.1998.665225","url":null,"abstract":"A variation of merged arithmetic is applied to the implementation of the wavelet transform. This approach offers a simple design trade-off between the computational accuracy and the complexity. Our analysis shows that the trade-off is a function of the input data resolution, the number of filter taps, the arithmetic precision, and the level of the wavelet transform. The design parameter can be also fixed for a given number of taps and used to determine the minimum word size for the wavelet coefficients of the transform. The key element of this approach is to introduce a \"truncation\" within the merged arithmetic reduction process which provides equivalent throughput with substantially less complexity. An experiment has been conducted to verify the analysis, which suggests that 24-bit merged arithmetic is required for the EZW algorithm to handle up to a level 6-wavelet transform.","PeriodicalId":225107,"journal":{"name":"Proceedings of the 8th Great Lakes Symposium on VLSI (Cat. No.98TB100222)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133280999","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
Mutually disjoint signals and probability calculation in digital circuits 数字电路中的互不相交信号及其概率计算
Proceedings of the 8th Great Lakes Symposium on VLSI (Cat. No.98TB100222) Pub Date : 1998-02-19 DOI: 10.1109/GLSV.1998.665282
V. Agrawal, S. Seth
{"title":"Mutually disjoint signals and probability calculation in digital circuits","authors":"V. Agrawal, S. Seth","doi":"10.1109/GLSV.1998.665282","DOIUrl":"https://doi.org/10.1109/GLSV.1998.665282","url":null,"abstract":"Signal probability calculation in circuits where signals are not independent is generally expensive. We show that some correlated signals may be mutually disjoint. In such cases, the probability calculation can be as simple as it is for independent signals. For example, two signals that cannot be simultaneously true are defined as OR-disjoint. If these signals feed an OR gate, the probability of the output being true is simply the sum of the probabilities of inputs being true. We give an implication-based algorithm for identifying disjoint signals. Examples of large adders illustrate how the identification of disjoint signals simplifies the probability calculation.","PeriodicalId":225107,"journal":{"name":"Proceedings of the 8th Great Lakes Symposium on VLSI (Cat. No.98TB100222)","volume":"60 8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133801432","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
Linear transformations and exact minimization of BDDs 线性变换和精确最小化bdd
Proceedings of the 8th Great Lakes Symposium on VLSI (Cat. No.98TB100222) Pub Date : 1998-02-19 DOI: 10.1109/GLSV.1998.665287
Wolfgang Günther, R. Drechsler
{"title":"Linear transformations and exact minimization of BDDs","authors":"Wolfgang Günther, R. Drechsler","doi":"10.1109/GLSV.1998.665287","DOIUrl":"https://doi.org/10.1109/GLSV.1998.665287","url":null,"abstract":"We present an exact algorithm to find an optimal linear transformation for the variables of a Boolean function to minimize its corresponding ordered Binary Decision Diagram (BDD). To prune the huge search space, techniques known from algorithms for finding the optimal variable ordering are used. This BDD minimization finds direct application in FPGA design. We give experimental results for a large variety of circuits to show the efficiency of our approach.","PeriodicalId":225107,"journal":{"name":"Proceedings of the 8th Great Lakes Symposium on VLSI (Cat. No.98TB100222)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134080528","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: 25
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