2022 27th Asia and South Pacific Design Automation Conference (ASP-DAC)最新文献

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Data Leakage through Self-Terminated Write Schemes in Memristive Caches 记忆缓存中自终止写机制导致的数据泄漏
2022 27th Asia and South Pacific Design Automation Conference (ASP-DAC) Pub Date : 2022-01-17 DOI: 10.1109/asp-dac52403.2022.9712492
Jonas Krautter, M. Mayahinia, Dennis R. E. Gnad, M. Tahoori
{"title":"Data Leakage through Self-Terminated Write Schemes in Memristive Caches","authors":"Jonas Krautter, M. Mayahinia, Dennis R. E. Gnad, M. Tahoori","doi":"10.1109/asp-dac52403.2022.9712492","DOIUrl":"https://doi.org/10.1109/asp-dac52403.2022.9712492","url":null,"abstract":"Memory cells in emerging non-volatile resistive memories often have asymmetric switching properties, where reliable write operations are achieved by setting the write period to a fixed value. To improve their performance and energy efficiency, self-terminating write schemes have been proposed, in which the write signal is stopped after the required state change has been observed. In this work, we show how this data-dependent write latency can be exploited as a side-channel in multiple ways to unveil restricted memory content. Moreover, we discuss and evaluate potential approaches to address the issue.","PeriodicalId":239260,"journal":{"name":"2022 27th Asia and South Pacific Design Automation Conference (ASP-DAC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125970003","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
SC-K9: A Self-synchronizing Framework to Counter Micro-architectural Side Channels SC-K9:一个对抗微架构侧通道的自同步框架
2022 27th Asia and South Pacific Design Automation Conference (ASP-DAC) Pub Date : 2022-01-17 DOI: 10.1109/asp-dac52403.2022.9712572
Hongyu Fang, M. Doroslovački, Guru Venkataramani
{"title":"SC-K9: A Self-synchronizing Framework to Counter Micro-architectural Side Channels","authors":"Hongyu Fang, M. Doroslovački, Guru Venkataramani","doi":"10.1109/asp-dac52403.2022.9712572","DOIUrl":"https://doi.org/10.1109/asp-dac52403.2022.9712572","url":null,"abstract":"Side channels within the processor mi-croarchitecture are notorious for their ability to leak information without leaving any physical traces for forensic examination. Most prior detection frame-works typically choose to continuously sample a select subset of hardware events without attempting to understand the mechanics behind the side channel activity. In this work, we propose SC-K9, a novel framework that synchronizes its sampling frequency with that of the adversary, thereby improving the detection accuracy even when the frequency of attack operations vary with specific implementations. We then deploy a hardware-based deception strategy to trick the adversary and annul its observations from the side channel activities. We illustrate our design and demonstrate its effectiveness in identifying some of the potent side channels exposed by recent speculative execution attacks. Our experimental results show that SC-K9 can effectively spot adversaries at different operational modes, and incurs very low rate of false alarms among the benign workloads.","PeriodicalId":239260,"journal":{"name":"2022 27th Asia and South Pacific Design Automation Conference (ASP-DAC)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128453889","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
HAWIS: Hardware-Aware Automated WIdth Search for Accurate, Energy-Efficient and Robust Binary Neural Network on ReRAM Dot-Product Engine 基于ReRAM点积引擎的精确、高效、鲁棒的二元神经网络的硬件感知自动宽度搜索
2022 27th Asia and South Pacific Design Automation Conference (ASP-DAC) Pub Date : 2022-01-17 DOI: 10.1109/ASP-DAC52403.2022.9712542
Qidong Tang, Zhezhi He, Fangxin Liu, Zongwu Wang, Yiyuan Zhou, Yinghuan Zhang, Li Jiang
{"title":"HAWIS: Hardware-Aware Automated WIdth Search for Accurate, Energy-Efficient and Robust Binary Neural Network on ReRAM Dot-Product Engine","authors":"Qidong Tang, Zhezhi He, Fangxin Liu, Zongwu Wang, Yiyuan Zhou, Yinghuan Zhang, Li Jiang","doi":"10.1109/ASP-DAC52403.2022.9712542","DOIUrl":"https://doi.org/10.1109/ASP-DAC52403.2022.9712542","url":null,"abstract":"Binary Neural Networks (BNNs) have attracted tremendous attention in ReRAM-based Process-In-Memory (PIM) systems, since they significantly simplify the hardware-expensive peripheral circuits and memory footprint. Meanwhile, BNNs are proven to have superior bit error tolerance, which inspires us to make use of this capability in PIM systems whose memory bit-cell suffers from severe device defects. Nevertheless, prior works of BNN do not simultaneously meet the criterion that 1) achieving similar accuracy w.r.t its full-precision counterpart; 2) fully binarized without full-precision operation; and 3) rapid BNN construction, which hampers its real-world deployment. This work proposes the first framework called HAWIS, whose generated BNN can satisfy all the above criteria. The proposed framework utilizes the super-net pre-training technique and reinforcement-learning based width search for BNN generation. Our experimental results show that the BNN generated by HAWIS achieves 69.3% top-1 accuracy on ImageNet with ResNet-18. In terms of robustness, our method maximally increases the inference accuracy by 66.9% and 20% compared to 8-bit and baseline 1-bit counterparts under ReRAM non-ideal effects. Our-code is available at: https://github.com/DamonAtSjtu/HAWIS.","PeriodicalId":239260,"journal":{"name":"2022 27th Asia and South Pacific Design Automation Conference (ASP-DAC)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125667058","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
Large Forests and Where to “Partially” Fit Them 大森林和哪里“部分”适合他们
2022 27th Asia and South Pacific Design Automation Conference (ASP-DAC) Pub Date : 2022-01-17 DOI: 10.1109/ASP-DAC52403.2022.9712534
Andrea Damiani, Emanuele Del Sozzo, M. Santambrogio
{"title":"Large Forests and Where to “Partially” Fit Them","authors":"Andrea Damiani, Emanuele Del Sozzo, M. Santambrogio","doi":"10.1109/ASP-DAC52403.2022.9712534","DOIUrl":"https://doi.org/10.1109/ASP-DAC52403.2022.9712534","url":null,"abstract":"The Artificial Intelligence of Things (AIoT) calls for on-site Machine Learning inference to overcome the instability in latency and availability of networks. Thus, hardware acceleration is paramount for reaching the Cloud's modeling performance within an embedded device's resources. In this paper, we propose Entree, the first automatic design flow for deploying the inference of Decision Tree (DT) ensembles over Field-Programmable Gate Arrays (FPGAs) at the network's edge. It exploits dynamic partial reconfiguration on modern FPGA-enabled Systems-on-a-Chip (SoCs) to accelerate arbitrarily large DT ensembles at a latency a hundred times stabler than software alternatives. Plus, given Entree's suitability for both hardware designers and non-hardware-savvy developers, we believe it has the potential of helping data scientists to develop a non-Cloud-centric AIoT.","PeriodicalId":239260,"journal":{"name":"2022 27th Asia and South Pacific Design Automation Conference (ASP-DAC)","volume":"101 3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114011586","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: 3
Improving the Robustness of Microfluidic Networks 提高微流体网络的鲁棒性
2022 27th Asia and South Pacific Design Automation Conference (ASP-DAC) Pub Date : 2022-01-17 DOI: 10.1109/asp-dac52403.2022.9712527
G. Fink, Philipp Ebner, Sudip Poddar, R. Wille, J. Kepler
{"title":"Improving the Robustness of Microfluidic Networks","authors":"G. Fink, Philipp Ebner, Sudip Poddar, R. Wille, J. Kepler","doi":"10.1109/asp-dac52403.2022.9712527","DOIUrl":"https://doi.org/10.1109/asp-dac52403.2022.9712527","url":null,"abstract":"Microfluidic devices, often in the form of Lab-on-a-Chip (LoCs), are successfully utilized in many domains such as medicine, chemistry, biology, etc. However, neither the fabrication process nor the respectively used materials are perfect and, thus, defects are frequently induced into the actual physical realization of the device. This is especially critical for sensitive devices such as droplet-based microfluidic networks that are able to route droplets inside channels along different paths by only exploiting passive hydrodynamic effects. However, these passive hydrodynamic effects are very sensitive and already slight changes of parameters (e.g., in the channel width) can alter the behavior, even in such a way that the intended functionality of the network breaks. Hence, it is important that microfluidic networks become robust against such defects in order to prevent erroneous behavior. But considering such defects during the design process is a non-trivial task and, therefore, designers mostly neglected such considerations thus far. To overcome this problem, we propose a robustness improvement process that allows to optimize an initial design in such a way that it becomes more robust against defects (while still retaining the original behavior of the initial design). To this end, we first utilize a metric to compare the robustness of different designs and, afterwards, discuss methods that aim to improve the robustness. The metric and methods are demonstrated by an example and also tested on several networks to show the validity of the robustness improvement process.","PeriodicalId":239260,"journal":{"name":"2022 27th Asia and South Pacific Design Automation Conference (ASP-DAC)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129879657","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
On the Viability of Decision Trees for Learning Models of Systems 系统学习模型决策树的可行性研究
2022 27th Asia and South Pacific Design Automation Conference (ASP-DAC) Pub Date : 2022-01-17 DOI: 10.1109/asp-dac52403.2022.9712579
Swantje Plambeck, Lutz Schammer, Görschwin Fey
{"title":"On the Viability of Decision Trees for Learning Models of Systems","authors":"Swantje Plambeck, Lutz Schammer, Görschwin Fey","doi":"10.1109/asp-dac52403.2022.9712579","DOIUrl":"https://doi.org/10.1109/asp-dac52403.2022.9712579","url":null,"abstract":"Abstract models of embedded systems are useful for various tasks, ranging from diagnosis, through testing to monitoring at run-time. However, deriving a model for an unknown system is difficult. Generic learners like decision trees can identify specific properties of systems and have been applied successfully, e.g., for anomaly detection and test case identification. We consider Decision Tree Learning (DTL) to derive a new type of model from given observations with bounded history for systems that have a Mealy machine representation. We prove theoretical limitations and evaluate the practical characteristics in an experimental validation.","PeriodicalId":239260,"journal":{"name":"2022 27th Asia and South Pacific Design Automation Conference (ASP-DAC)","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133277334","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
An Accuracy Reconfigurable Vector Accelerator Based on Approximate Logarithmic Multipliers 基于近似对数乘法器的精度可重构矢量加速器
2022 27th Asia and South Pacific Design Automation Conference (ASP-DAC) Pub Date : 2022-01-17 DOI: 10.1109/ASP-DAC52403.2022.9712504
Lingxia Hou, Yutaka Masuda, T. Ishihara
{"title":"An Accuracy Reconfigurable Vector Accelerator Based on Approximate Logarithmic Multipliers","authors":"Lingxia Hou, Yutaka Masuda, T. Ishihara","doi":"10.1109/ASP-DAC52403.2022.9712504","DOIUrl":"https://doi.org/10.1109/ASP-DAC52403.2022.9712504","url":null,"abstract":"The logarithmic approximate multiplier proposed by Mitchell provides an efficient alternative to accurate multipliers in terms of area and power consumption. However, its maximum error of 11.1% makes it difficult to deploy in applications requiring high accuracy. To widely reduce the error of the Mitchell multiplier, this paper proposes a novel operand decomposition method which decomposes one operand into multiple operands and calculates them using multiple Mitchell multipliers. Based on this operand decomposition, this paper also proposes an accuracy reconfigurable vector accelerator which can provide a required computational accuracy with a high parallelism. The proposed vector accelerator dramatically reduces the area by more than half from the accurate multiplier array while satisfying the required accuracy for various applications. The experimental results show that our proposed vector accelerator behaves well in image processing and robot localization.","PeriodicalId":239260,"journal":{"name":"2022 27th Asia and South Pacific Design Automation Conference (ASP-DAC)","volume":"1115 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134210029","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
Transient Adjoint DAE Sensitivities: a Complete, Rigorous, and Numerically Accurate Formulation 瞬态伴随DAE灵敏度:一个完整的,严格的,数值精确的公式
2022 27th Asia and South Pacific Design Automation Conference (ASP-DAC) Pub Date : 2022-01-17 DOI: 10.1109/asp-dac52403.2022.9712537
Naomi Sagan, J. Roychowdhury
{"title":"Transient Adjoint DAE Sensitivities: a Complete, Rigorous, and Numerically Accurate Formulation","authors":"Naomi Sagan, J. Roychowdhury","doi":"10.1109/asp-dac52403.2022.9712537","DOIUrl":"https://doi.org/10.1109/asp-dac52403.2022.9712537","url":null,"abstract":"Almost all practical systems rely heavily on physical parameters. As a result, parameter sensitivity, or the extent to which perturbations in parameter values affect the state of a system, is intrinsically connected to system design and optimization. We present TADsens, a method for computing the parameter sensitivities of an output of a differential algebraic equation (DAE) system. Specifically, we provide rigorous, insightful theory for adjoint sensitivity computation of DAEs, along with an efficient and numerically well-posed algorithm implemented in Berkeley MAPP. Our theory and implementation advances resolve longstanding issues that have impeded adoption of adjoint transient sensitivities in circuit simulators for over 5 decades. We present results and comparisons on two nonlinear analog circuits. TADsens is numerically well posed and accurate, and faster by a factor of 300 over direct sensitivity computation on a circuit with over 150 unknowns and 600 parameters.","PeriodicalId":239260,"journal":{"name":"2022 27th Asia and South Pacific Design Automation Conference (ASP-DAC)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134117592","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
Computation-in-Memory Accelerators for Secure Graph Database: Opportunities and Challenges 面向安全图形数据库的内存计算加速器:机遇与挑战
2022 27th Asia and South Pacific Design Automation Conference (ASP-DAC) Pub Date : 2022-01-17 DOI: 10.1109/ASP-DAC52403.2022.9712502
Md Tanvir Arafin
{"title":"Computation-in-Memory Accelerators for Secure Graph Database: Opportunities and Challenges","authors":"Md Tanvir Arafin","doi":"10.1109/ASP-DAC52403.2022.9712502","DOIUrl":"https://doi.org/10.1109/ASP-DAC52403.2022.9712502","url":null,"abstract":"This work presents the challenges and opportunities for developing computing-in-memory (CIM) accelerators to support secure graph databases (GDB). First, we examine the database backend of common GDBs to understand the feasibility of CIM-based hardware architectures to speed up database queries. Then, we explore standard accelerator designs for graph computation. Next, we present the security issues of graph databases and survey how advanced cryptographic techniques such as homomorphic encryption and zero-knowledge protocols can execute privacy-preserving queries in a secure graph database. After that, we illustrate possible CIM architectures for integrating secure computation with GDB acceleration. Finally, we discuss the design overheads, useability, and potential challenges for building CIM-based accelerators for supporting data-centric calculations. Overall, we find that computing-in-memory primitives have the potential to play a crucial role in realizing the next generation of fast and secure graph databases.","PeriodicalId":239260,"journal":{"name":"2022 27th Asia and South Pacific Design Automation Conference (ASP-DAC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130022478","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
SYNTHNET: A High-throughput yet Energy-efficient Combinational Logic Neural Network SYNTHNET:一种高通量、高能效的组合逻辑神经网络
2022 27th Asia and South Pacific Design Automation Conference (ASP-DAC) Pub Date : 2022-01-17 DOI: 10.1109/asp-dac52403.2022.9712554
Tianen Chen, Taylor Kemp, Younghyun Kim
{"title":"SYNTHNET: A High-throughput yet Energy-efficient Combinational Logic Neural Network","authors":"Tianen Chen, Taylor Kemp, Younghyun Kim","doi":"10.1109/asp-dac52403.2022.9712554","DOIUrl":"https://doi.org/10.1109/asp-dac52403.2022.9712554","url":null,"abstract":"In combinational logic neural networks (CLNNs), neurons are realized as combinational logic circuits or look-up tables (LUTs). They make make extremely low-latency inference possible by performing the computation with pure hardware without loading weights from the memory. The high throughput, however, is powered by massively parallel logic circuits or LUTs and hence comes with high area occupancy and high energy consumption. We present SYNTHNET, a novel CLNN design method that effectively identifies and keeps only the sublogics that play a critical role in the accuracy and remove those which do not contribute to improving the accuracy. It captures the abundant redundancy in NNs that can be exploited only in CLNNs, and thereby dramatically reduces the energy consumption of CLNNs with minimal accuracy degradation. We prove the efficacy of SYNTHNET on the CIFAR-10 dataset, maintaining a competitive accuracy while successfully replacing layers of a VGG-style network which traditionally uses memory-based floating point operations with combinational logic. Experimental results suggest our design can reduce energy-consumption of CLNNs more than 90% compared to the state-of-the-art design.","PeriodicalId":239260,"journal":{"name":"2022 27th Asia and South Pacific Design Automation Conference (ASP-DAC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130780403","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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