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Proceedings of the Great Lakes Symposium on VLSI 2022最新文献

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A Senior-Level Analog IC Design Course built on Open-Source Technologies 基于开源技术的高级模拟IC设计课程
Proceedings of the Great Lakes Symposium on VLSI 2022 Pub Date : 2022-06-06 DOI: 10.1145/3526241.3530334
J. Hasler
{"title":"A Senior-Level Analog IC Design Course built on Open-Source Technologies","authors":"J. Hasler","doi":"10.1145/3526241.3530334","DOIUrl":"https://doi.org/10.1145/3526241.3530334","url":null,"abstract":"We present a project-based alternative to a classical senior-level first Analog IC design course. This hands-on approach is enabled through a systematic approach to on-line lectures and course material, as well as open-source IC design process (Skywater 130nm CMOS) and tools (magic, Xschem) that are capable of fabricating working ICs. This realistic student design experience builds student confidence in designing 10-100 transistor circuits that could be fabricated on this IC process.","PeriodicalId":188228,"journal":{"name":"Proceedings of the Great Lakes Symposium on VLSI 2022","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126334488","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: 0
Radiation Hardening by Design Techniques for the Mutual Exclusion Element 互斥元件的辐射硬化设计技术
Proceedings of the Great Lakes Symposium on VLSI 2022 Pub Date : 2022-06-06 DOI: 10.1145/3526241.3530310
Moisés Herrera, P. Beerel
{"title":"Radiation Hardening by Design Techniques for the Mutual Exclusion Element","authors":"Moisés Herrera, P. Beerel","doi":"10.1145/3526241.3530310","DOIUrl":"https://doi.org/10.1145/3526241.3530310","url":null,"abstract":"Circuits in advanced CMOS technology are increasingly more sensitive to transient pulses caused by radiation particles that strike vulnerable circuit components, specially turned off transistors, often generating multiple voltage upsets. Towards mitigating these issues, this paper presents a novel Radiation Hardened by Design (RHBD) mutual exclusion element (mutex) that incorporates multiple RHBD techniques with reduced area overhead. We compared our proposed circuit to the baseline and the state-of-the-art designs, in terms of resiliency to Single Event Transients (SET) and Single Event Upsets (SEU), request to grant latency, and area overhead. Results shows that the proposed circuit mitigates SET and prevents SEU events incurring in 1.42x performance and 5.1x transistor area overhead compared to the baseline (unhardened) design. On the other hand, the proposed mutex circuit improves SEU resiliency at outputs, achieving 0.58x transistor area and 0.62x latency compared to the state-of-the-art RHBD mutex that uses modular redundancy.","PeriodicalId":188228,"journal":{"name":"Proceedings of the Great Lakes Symposium on VLSI 2022","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117206367","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: 0
Effective and Efficient Detailed Routing with Adaptive Rip-up Scheme and Pin Access Refinement 具有自适应撕扯方案和引脚访问细化的高效详细路由
Proceedings of the Great Lakes Symposium on VLSI 2022 Pub Date : 2022-06-06 DOI: 10.1145/3526241.3530361
Zhongdong Qi, Jingchong Zhang, Gengjie Chen, Hailong You
{"title":"Effective and Efficient Detailed Routing with Adaptive Rip-up Scheme and Pin Access Refinement","authors":"Zhongdong Qi, Jingchong Zhang, Gengjie Chen, Hailong You","doi":"10.1145/3526241.3530361","DOIUrl":"https://doi.org/10.1145/3526241.3530361","url":null,"abstract":"Detailed routing is one of the most complex and time-consuming stages of VLSI design process. Due to the rapidly growing problem scale and increasing number of design rules in advanced technology nodes, a feasible routing result can only be achieved after many rounds of rip-up and reroute (R&R) iterations, which takes a significantly long runtime. In this paper, we propose several effective and efficient techniques to handle the design rule violations in detailed routing. An adaptive rip-up scheme with two strategies of different effort is designed, which can speed up the R&R phase with comparable solution quality. To cope with the pin access challenge with complex design rule constraints, approaches to refine the pin connections are proposed. Besides, some specific design rules are handled in a post-processing manner efficiently. Experiment result shows that the number of design rule violations can be reduced by 69% with 28% lower runtime on average, after integrating these techniques in Dr. CU 2.0.","PeriodicalId":188228,"journal":{"name":"Proceedings of the Great Lakes Symposium on VLSI 2022","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121102838","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: 0
Fault-Injection Based Chosen-Plaintext Attacks on Multicycle AES Implementations 基于故障注入的多周期AES选择明文攻击
Proceedings of the Great Lakes Symposium on VLSI 2022 Pub Date : 2022-06-06 DOI: 10.1145/3526241.3530826
Yadi Zhong, Ujjwal Guin
{"title":"Fault-Injection Based Chosen-Plaintext Attacks on Multicycle AES Implementations","authors":"Yadi Zhong, Ujjwal Guin","doi":"10.1145/3526241.3530826","DOIUrl":"https://doi.org/10.1145/3526241.3530826","url":null,"abstract":"Hardware implementations of cryptographic algorithms offer significantly higher throughput on both encryption and decryption than their software counterparts. Advanced Encryption Standard (AES) is a widely used symmetric block cipher for data encryption. The most commonly used architecture for AES hardware implementations is the multicycle design, where each round uses the same hardware resource multiple times to increase area efficiency. In this paper, we successfully decouple the interdependency of multiple key bytes from the AES encryption. Thus, we solve each key byte separately with an overall attack complexity in O(28). Moreover, we uniquely determine each key byte through a chosen set of three plaintext-ciphertext pairs. We propose two novel chosen-plaintext attacks on multicycle AES implementations. Both attacks can eliminate the key diffusion from the MixColumns and Key Schedule modules. The first attack takes advantage of vulnerable AES implementations where an adversary can observe the output of each round. The second attack is based on fault injection, where a single fault on the completion-indicator register is sufficient to launch the attack. Because no faults are injected in the internal computations of AES, the current fault detection mechanisms are bypassed as no intermediate result has been altered. Lastly, we explore the theoretical aspect for the inherent property of our attacks.","PeriodicalId":188228,"journal":{"name":"Proceedings of the Great Lakes Symposium on VLSI 2022","volume":"262 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122698503","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
GAN-Dummy Fill: Timing-aware Dummy Fill Method using GAN GAN-Dummy填充:使用GAN的定时感知Dummy填充方法
Proceedings of the Great Lakes Symposium on VLSI 2022 Pub Date : 2022-06-06 DOI: 10.1145/3526241.3530352
Myong Kong, D. Kim, Minhyuk Kweon, Seokhyeong Kang
{"title":"GAN-Dummy Fill: Timing-aware Dummy Fill Method using GAN","authors":"Myong Kong, D. Kim, Minhyuk Kweon, Seokhyeong Kang","doi":"10.1145/3526241.3530352","DOIUrl":"https://doi.org/10.1145/3526241.3530352","url":null,"abstract":"The chemical mechanical polishing (CMP) dummy fill method is commonly used for the planarization of the CMP process, resulting in the development of many automated methods. We propose a dummy fill method using a generative adversarial network (GAN) that improves the existing dummy fill methods in terms of the uniformity of metal density and timing of critical nets. The dummy patterns created were similar to those of existing methods. However, the GAN dummy fill method applies additional optimizations to make the CMP dummy fill pattern efficient. The method learns by adding density and parasitic capacitance to the loss function of the GAN. Compared to dummy patterns generated from commercial tools, dummy patterns generated from GAN-dummy fill reduced the negative timing slack due to parasitic capacitance by up to 45%.","PeriodicalId":188228,"journal":{"name":"Proceedings of the Great Lakes Symposium on VLSI 2022","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123051812","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
Sextuple Cross-Coupled-DICE Based Double-Node-Upset Recoverable and Low-Delay Flip-Flop for Aerospace Applications 航天用六重交叉耦合dice双节点扰动可恢复低延迟触发器
Proceedings of the Great Lakes Symposium on VLSI 2022 Pub Date : 2022-06-06 DOI: 10.1145/3526241.3530355
Aibin Yan, Yu Chen, Shukai Song, Zijie Zhai, Jie Cui, Zhengfeng Huang, P. Girard, X. Wen
{"title":"Sextuple Cross-Coupled-DICE Based Double-Node-Upset Recoverable and Low-Delay Flip-Flop for Aerospace Applications","authors":"Aibin Yan, Yu Chen, Shukai Song, Zijie Zhai, Jie Cui, Zhengfeng Huang, P. Girard, X. Wen","doi":"10.1145/3526241.3530355","DOIUrl":"https://doi.org/10.1145/3526241.3530355","url":null,"abstract":"This paper proposes a novel sextuple cross-coupled dual-interlocked-storage-cell (DICE) based double-node-upset (DNU) recoverable and low-delay flip-flop (FF), namely SCDRL-FF, for aerospace applications. The SCDRL-FF mainly consists of sextuple cross-coupled DICEs controlled by clock-gating. The use of clock-gating based DICEs significantly reduces the CLK-Q transmission delay of the SCDRL-FF. Through the redundant and interlocked clock-gating based DICEs, the SCDRL-FF can provide complete DNU recoverability. Simulation results demonstrate the DNU recoverability of the SCDRL-FF and a 65% delay reduction on average compared with the state-of-the-art hardened FFs. The low delay overhead makes the proposed SCDRL-FF effectively applicable to high-performance applications and the DNU recoverability makes the proposed SCDRL-FF also suitable for aerospace applications.","PeriodicalId":188228,"journal":{"name":"Proceedings of the Great Lakes Symposium on VLSI 2022","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132471847","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: 0
Graph Neural Network based Netlist Operator Detection under Circuit Rewriting 电路改写下基于图神经网络的网表算子检测
Proceedings of the Great Lakes Symposium on VLSI 2022 Pub Date : 2022-06-06 DOI: 10.1145/3526241.3530330
Guangwei Zhao, Kaveh Shamsi
{"title":"Graph Neural Network based Netlist Operator Detection under Circuit Rewriting","authors":"Guangwei Zhao, Kaveh Shamsi","doi":"10.1145/3526241.3530330","DOIUrl":"https://doi.org/10.1145/3526241.3530330","url":null,"abstract":"Recently graph neural networks (GNN) have shown promise in detecting operators (multiplication, addition, comparison, etc.) and their boundaries in gate-level digital circuit netlists. Unlike formal approaches such as NPN Boolean matching, GNN-based methods are structural and statistical. This means that making structural changes to the circuit while maintaining its functionality may negatively impact their accuracy. In this paper, we explore this question. We show that indeed the prediction accuracy of GNN-based operator detection does fall following simple circuit rewriting. This means that custom rewrites may be a way to hamper operator detection in applications such as logic obfuscation where such undetectability is a security goal. We then present ways to improve the accuracy of prediction under such transforms by combining functional/semi-canonical information into the training and evaluation of the ML model.","PeriodicalId":188228,"journal":{"name":"Proceedings of the Great Lakes Symposium on VLSI 2022","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130994838","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
PrGEMM: A Parallel Reduction SpGEMM Accelerator 平行还原SpGEMM加速器
Proceedings of the Great Lakes Symposium on VLSI 2022 Pub Date : 2022-06-06 DOI: 10.1145/3526241.3530387
Chien-Fu Chen, Mikko H. Lipasti
{"title":"PrGEMM: A Parallel Reduction SpGEMM Accelerator","authors":"Chien-Fu Chen, Mikko H. Lipasti","doi":"10.1145/3526241.3530387","DOIUrl":"https://doi.org/10.1145/3526241.3530387","url":null,"abstract":"Due to increasing data sparsity in scientific data sets and pruned neural networks, it becomes more challenging to compute with these kinds of sparse data sets efficiently. Several works discuss efficient sparse matrix-vector multiplication (SpMV). However, because of index irregularity in compact stored matrices, sparse matrix-vector multiplication (SpGEMM) still suffers from the trade-off between space and efficiency of computation. In this work, we propose PrGEMM, a multiple reduction scheme which (1) computes SpGEMM under compact storage format without expansion of the operands, (2) by using index lookahead, computes and compares multiple index-data pairs at the same time with no order violation of indices. We evaluate our work with the matrices with different sizes in the SuiteSparse data set. Our work can achieve 3.3x of execution cycle improvement compared to the state-of-the-art SpGEMM scheme.","PeriodicalId":188228,"journal":{"name":"Proceedings of the Great Lakes Symposium on VLSI 2022","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128471584","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: 0
An Energy-efficient and High-precision Approximate MAC with Distributed Arithmetic Circuits 基于分布式算术电路的节能高精度近似MAC
Proceedings of the Great Lakes Symposium on VLSI 2022 Pub Date : 2022-06-06 DOI: 10.1145/3526241.3530383
Ziying Cui, Ke Chen, Bi Wu, C. Yan, Weiqiang Liu
{"title":"An Energy-efficient and High-precision Approximate MAC with Distributed Arithmetic Circuits","authors":"Ziying Cui, Ke Chen, Bi Wu, C. Yan, Weiqiang Liu","doi":"10.1145/3526241.3530383","DOIUrl":"https://doi.org/10.1145/3526241.3530383","url":null,"abstract":"In this paper, an approximate distributed arithmetic (DA) based parallel MAC is proposed. First, by adopting three kinds of approximation methods, the novel structure significantly reduces hardware complexity. Then, the result is compensated according to the analysis of the probability to enhance the precision. The hardware and error metric evaluation demonstrates that the proposed MAC achieves 25% power-delay product reduction while maintaining better precision. Finally, the Gaussian Blur application is employed to verify the proposed DA-based MAC with 6dB average PSNR improvement compared with recent state-of-the-art work.","PeriodicalId":188228,"journal":{"name":"Proceedings of the Great Lakes Symposium on VLSI 2022","volume":"110 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122059567","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: 0
A Semi-formal Information Flow Validation for Analyzing Secret Asset Propagation in COTS IC Integrated Systems 用于分析COTS集成系统中秘密资产传播的半形式化信息流验证
Proceedings of the Great Lakes Symposium on VLSI 2022 Pub Date : 2022-06-06 DOI: 10.1145/3526241.3530328
Xingyu Meng, Mahmudul Hasan, K. Basu, Tamzidul Hoque
{"title":"A Semi-formal Information Flow Validation for Analyzing Secret Asset Propagation in COTS IC Integrated Systems","authors":"Xingyu Meng, Mahmudul Hasan, K. Basu, Tamzidul Hoque","doi":"10.1145/3526241.3530328","DOIUrl":"https://doi.org/10.1145/3526241.3530328","url":null,"abstract":"Integration of off-the-shelf components from commercial sources during system design provides a drastic reduction of product cost and development time. It also allows faster adoption of new technologies without the risks associated with research and development. Therefore, commercial off-the-shelf (COTS) components can be found in a wide range of applications, including military, aerospace, etc. However, any untrusted vendors could include hidden malicious hardware to compromise the functionality of the system or leak secret information through COTS integrated circuits (ICs). Existing trust-verification solutions are generally inapplicable for COTS hardware due to the absence of golden models for analysis. In this paper, we propose a semi-formal validation technique to protect the secret assets in a system that integrates COTS IC. Our framework identifies the paths that could propagate secret assets to surrounding COTS ICs in the system by analyzing the IC design. Our experimental results on a significantly large microprocessor core demonstrate that the proposed approach is effective in determining information flow violations within a short time and provides greater coverage and accurate identification.","PeriodicalId":188228,"journal":{"name":"Proceedings of the Great Lakes Symposium on VLSI 2022","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117293511","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: 0
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