Proceedings of the 9th International Symposium on Networks-on-Chip最新文献

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Wear-Aware Adaptive Routing for Networks-on-Chips 片上网络的磨损感知自适应路由
Proceedings of the 9th International Symposium on Networks-on-Chip Pub Date : 2015-09-28 DOI: 10.1145/2786572.2786573
A. Vitkovski, V. Soteriou, Paul V. Gratz
{"title":"Wear-Aware Adaptive Routing for Networks-on-Chips","authors":"A. Vitkovski, V. Soteriou, Paul V. Gratz","doi":"10.1145/2786572.2786573","DOIUrl":"https://doi.org/10.1145/2786572.2786573","url":null,"abstract":"Chip-multiprocessors are facing worsening reliability due to prolonged operational stresses, with their tile-interconnecting Network-on-Chip (NoC) being especially vulnerable to wearout-induced failure. To tackle this ominous threat we present a novel wear-aware routing algorithm that continuously considers the stresses the NoC experiences at runtime, along with temperature and fabrication process variation metrics, steering traffic away from locations that are most prone to Electromigration (EM)- and Hot-Carrier Injection (HCI)-induced wear. Under realistic applications our wear-aware algorithm yields 66% and 8% average increases in mean-time-to-failure for EM and HCI, respectively.","PeriodicalId":228605,"journal":{"name":"Proceedings of the 9th International Symposium on Networks-on-Chip","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114138942","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-Chip Millimeter Wave Antennas and Transceivers 片上毫米波天线和收发器
Proceedings of the 9th International Symposium on Networks-on-Chip Pub Date : 2015-09-28 DOI: 10.1145/2786572.2789983
Ofer Markish, O. Katz, B. Sheinman, D. Corcos, D. Elad
{"title":"On-Chip Millimeter Wave Antennas and Transceivers","authors":"Ofer Markish, O. Katz, B. Sheinman, D. Corcos, D. Elad","doi":"10.1145/2786572.2789983","DOIUrl":"https://doi.org/10.1145/2786572.2789983","url":null,"abstract":"The main mechanisms responsible for performance degradation of millimeter wave (mmWave) and terahertz (THz) on-chip antennas are reviewed. Several techniques to improve the performance of the antennas and several high efficiency antenna types are presented. In order to illustrate the effects of the chip topology on the antenna, simulations and measurements of mmWave and THz on-chip antennas are shown. Finally, different transceiver architectures are explored with emphasis on the challenges faced in a wireless multi-core environment.","PeriodicalId":228605,"journal":{"name":"Proceedings of the 9th International Symposium on Networks-on-Chip","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114740419","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: 23
Multi-Layer Test and Diagnosis for Dependable NoCs 可靠NoCs的多层检测与诊断
Proceedings of the 9th International Symposium on Networks-on-Chip Pub Date : 2015-09-28 DOI: 10.1145/2786572.2788708
H. Wunderlich, M. Radetzki
{"title":"Multi-Layer Test and Diagnosis for Dependable NoCs","authors":"H. Wunderlich, M. Radetzki","doi":"10.1145/2786572.2788708","DOIUrl":"https://doi.org/10.1145/2786572.2788708","url":null,"abstract":"Networks-on-chip are inherently fault tolerant or at least gracefully degradable as both, connectivity and amount of resources, provide some useful redundancy. These properties can only be exploited extensively if test and diagnosis techniques support fault detection and error containment in an optimized way. On the one hand, all faulty components have to be isolated, and on the other hand, remaining fault-free functionalities have to be kept operational. In this contribution, behavioral end-to-end error detection is considered together with functional test methods for switches and gate level diagnosis to locate and to isolate faults in the network in an efficient way with low time overhead.","PeriodicalId":228605,"journal":{"name":"Proceedings of the 9th International Symposium on Networks-on-Chip","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131304266","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
A Framework for Combining Concurrent Checking and On-Line Embedded Test for Low-Latency Fault Detection in NoC Routers NoC路由器低延迟故障检测并发检测与在线嵌入式测试相结合的框架
Proceedings of the 9th International Symposium on Networks-on-Chip Pub Date : 2015-09-28 DOI: 10.1145/2786572.2788713
Pietro Saltarelli, Behrad Niazmand, J. Raik, V. Govind, T. Hollstein, G. Jervan, R. Hariharan
{"title":"A Framework for Combining Concurrent Checking and On-Line Embedded Test for Low-Latency Fault Detection in NoC Routers","authors":"Pietro Saltarelli, Behrad Niazmand, J. Raik, V. Govind, T. Hollstein, G. Jervan, R. Hariharan","doi":"10.1145/2786572.2788713","DOIUrl":"https://doi.org/10.1145/2786572.2788713","url":null,"abstract":"The focus of the paper is detection of faults in NoC routers by combining concurrent checkers with embedded on-line test to enable cost-effective trade-offs between area-overhead and test coverage. First, we propose a framework of tools for formally evaluating the quality of the checkers and for optimizing the overhead area with given fault coverage constraints. The stress is in particular on the minimization of the error detection latency, which is a crucial aspect in order to eliminate (or limit) error propagation. Second, the concurrent checkers will be complemented by embedded on-line test packets which are to be applied as a periodic routine during the idle periods in router operation. The framework together with the corresponding methodology has been successfully applied to a realistic case-study of a fault tolerant NoC router design. The case study shows that combining concurrent routers with embedded test allows reducing the area overhead of the checkers from 31--35% down to 1.5--10% without sacrificing the fault coverage.","PeriodicalId":228605,"journal":{"name":"Proceedings of the 9th International Symposium on Networks-on-Chip","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125356496","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
Modeling and Design of High-Radix On-Chip Crossbar Switches 高基数片上交叉开关的建模与设计
Proceedings of the 9th International Symposium on Networks-on-Chip Pub Date : 2015-09-28 DOI: 10.1145/2786572.2786579
Cagla Cakir, R. Ho, J. Lexau, K. Mai
{"title":"Modeling and Design of High-Radix On-Chip Crossbar Switches","authors":"Cagla Cakir, R. Ho, J. Lexau, K. Mai","doi":"10.1145/2786572.2786579","DOIUrl":"https://doi.org/10.1145/2786572.2786579","url":null,"abstract":"The crossbar is a popular topology for on-chip networks that offers non-blocking connectivity and uniform latency. However, as the number of nodes increases, crossbars typically scale poorly in area, power, and latency/throughput. To better understand the design space, we have developed an on-chip crossbar modeling tool based on analytical models calibrated using circuit-level simulation results in 40nm CMOS. We present a design space exploration showing how crossbar area, power, and performance vary across input/output node number, data width, wire parameters, and circuit implementation. Using the modeling results, we identify a design point that demonstrates 2X higher throughput, 1.4X lower power and 1.2X lower area compared to previous published designs.","PeriodicalId":228605,"journal":{"name":"Proceedings of the 9th International Symposium on Networks-on-Chip","volume":"96 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124230585","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
Networking Challenges and Prospective Impact of Broadcast-Oriented Wireless Networks-on-Chip 面向广播的无线片上网络的网络挑战和未来影响
Proceedings of the 9th International Symposium on Networks-on-Chip Pub Date : 2015-09-28 DOI: 10.1145/2786572.2788710
S. Abadal, M. Nemirovsky, E. Alarcón, A. Cabellos-Aparicio
{"title":"Networking Challenges and Prospective Impact of Broadcast-Oriented Wireless Networks-on-Chip","authors":"S. Abadal, M. Nemirovsky, E. Alarcón, A. Cabellos-Aparicio","doi":"10.1145/2786572.2788710","DOIUrl":"https://doi.org/10.1145/2786572.2788710","url":null,"abstract":"The cost of broadcast has been constraining the design of manycore processors and of the algorithms that run upon them. However, as on-chip RF technologies allow the design of small-footprint and high-bandwidth antennas and transceivers, native low-latency (a few clock cycles) and low-power (a few pJ/bit) broadcast support through wireless communication can be envisaged. In this paper, we analyze the main networking design aspects and challenges of Broadcast-oriented Wireless Network-on-Chip (BoWNoC), which are basically reduced to the development of Medium Access Control (MAC) protocols able to handle hundreds of cores. We evaluate the broadcast performance and scalability of different MAC designs, to then discuss the impact that the proposed paradigm could exert on the performance, scalability and programmability of future manycore architectures, programming models and parallel algorithms.","PeriodicalId":228605,"journal":{"name":"Proceedings of the 9th International Symposium on Networks-on-Chip","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134216379","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
Improving DVFS in NoCs with Coherence Prediction 相干预测改善NoCs的DVFS
Proceedings of the 9th International Symposium on Networks-on-Chip Pub Date : 2015-09-28 DOI: 10.1145/2786572.2786595
R. Hesse, Natalie D. Enright Jerger
{"title":"Improving DVFS in NoCs with Coherence Prediction","authors":"R. Hesse, Natalie D. Enright Jerger","doi":"10.1145/2786572.2786595","DOIUrl":"https://doi.org/10.1145/2786572.2786595","url":null,"abstract":"As Networks-on-Chip (NoCs) continue to consume a large fraction of the total chip power budget, dynamic voltage and frequency scaling (DVFS) has evolved into an integral part of NoC designs. Efficient DVFS relies on accurate predictions of future network state. Most previous approaches are reactive and based on network-centric metrics, such as buffer occupation and channel utilization. However, we find that there is little correlation between those metrics and subsequent NoC traffic, which leads to suboptimal DVFS decisions. In this work, we propose to utilize highly predictable properties of cache-coherence communication to derive more specific and reliable NoC traffic predictions. A DVFS mechanism based on our traffic predictions, reduces power by 41% compared to a baseline without DVFS and by 21% on average when compared to a state-of-the-art DVFS implementation, while only degrading performance by 3%.","PeriodicalId":228605,"journal":{"name":"Proceedings of the 9th International Symposium on Networks-on-Chip","volume":"537 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120979947","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: 39
User Cooperation Network Coding Approach for NoC Performance Improvement 面向NoC性能改进的用户协作网络编码方法
Proceedings of the 9th International Symposium on Networks-on-Chip Pub Date : 2015-09-28 DOI: 10.1145/2786572.2786575
Yuankun Xue, P. Bogdan
{"title":"User Cooperation Network Coding Approach for NoC Performance Improvement","authors":"Yuankun Xue, P. Bogdan","doi":"10.1145/2786572.2786575","DOIUrl":"https://doi.org/10.1145/2786572.2786575","url":null,"abstract":"The astonishing rate of sensing modalities and data generation poses a tremendous impact on computing platforms for providing real-time mining and prediction capabilities. We are capable of monitoring thousands of genes and their interactions, but we lack efficient computing platforms for large-scale (exa-scale) data processing. Towards this end, we propose a novel hierarchical Network-on-Chip (NoC) architecture that exploits user-cooperated network coding (NC) concepts for improving system throughput. Our proposed architecture relies on a light-weighted subnet of cooperation unit routers (CUR) for multicast traffic. Coding network interface (CNI) performs encoding/decoding of NC symbols and shares the data flows among cooperation units(CUs). We endow our proposed NC-based NoC architecture with: (i) a corridor routing algorithm (CRA) for maximizing network throughput and (ii) an adaptive flit dropping (AFD) scheme to mitigate congestion, branch-blocking and deadlock at run-time. The experimental results demonstrate that our proposed platform offers up to 127X multicast throughput improvement over multiple-unicast and XY tree-based multicast under synthetic collective traffic scenario. We have evaluated the proposed platform with different realworld benchmarks under network sizes of 4x4 to 32x32. Simulation results show 21%--91% latency improvement and up to 25X runtime reduction over conventional mesh NoC performing genetic-algorithm based protein folding analysis. FPGA implementation results show minimal overhead.","PeriodicalId":228605,"journal":{"name":"Proceedings of the 9th International Symposium on Networks-on-Chip","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121774687","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: 50
Highway in TDM NoCs TDM NoCs中的高速公路
Proceedings of the 9th International Symposium on Networks-on-Chip Pub Date : 2015-09-28 DOI: 10.1145/2786572.2786577
Shaoteng Liu, Zhonghai Lu, A. Jantsch
{"title":"Highway in TDM NoCs","authors":"Shaoteng Liu, Zhonghai Lu, A. Jantsch","doi":"10.1145/2786572.2786577","DOIUrl":"https://doi.org/10.1145/2786572.2786577","url":null,"abstract":"TDM (Time Division Multiplexing) is a well-known technique to provide QoS guarantees in NoCs. However, unused time slots commonly exist in TDM NoCs. In the paper, we propose a TDM highway technique which can enhance the slot utilization of TDM NoCs. A TDM highway is an express TDM connection composed of special buffer queues, called highway channels (HWCs). It can enhance the throughput and reduce data transfer delay of the connection, while keeping the quality of service (QoS) guarantee on minimum bandwidth and in-order packet delivery. We have developed a dynamic and repetitive highway setup policy which has no dependency on particular TDM NoC techniques and no overhead on traffic flows. As a result, highways can be efficiently established and utilized in various TDM NoCs. According to our experiments, compared to a traditional TDM NoC, adding one HWC with two buffers to every input port of routers in an 8×8 mesh can reduce data delay by up to 80% and increase the maximum throughput by up to 310%. More improvements can be achieved by adding more HWCs per input per router, or more buffers per HWC. We also use a set of MPSoC application benchmarks to evaluate our highway technique. The experiment results suggest that with highway, we can reduce application run time up to 51%.","PeriodicalId":228605,"journal":{"name":"Proceedings of the 9th International Symposium on Networks-on-Chip","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126933396","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: 9
Dark Silicon: From Computation to Communication 暗硅:从计算到通信
Proceedings of the 9th International Symposium on Networks-on-Chip Pub Date : 2015-09-28 DOI: 10.1145/2786572.2788707
J. Henkel, H. Bokhari, S. Garg, M. U. Khan, Heba Khdr, F. Kriebel, Ümit Y. Ogras, S. Parameswaran, M. Shafique
{"title":"Dark Silicon: From Computation to Communication","authors":"J. Henkel, H. Bokhari, S. Garg, M. U. Khan, Heba Khdr, F. Kriebel, Ümit Y. Ogras, S. Parameswaran, M. Shafique","doi":"10.1145/2786572.2788707","DOIUrl":"https://doi.org/10.1145/2786572.2788707","url":null,"abstract":"In the emerging Dark Silicon era, not all parts of an on-chip system (i.e., cores, Network-on-Chip, and memory resources) can be simultaneously powered-on at the full speed. This paper aims at exposing dark silicon challenges to the NOCS community with an overview of some of the early research efforts that are attempting to shape the design and run-time management of future generation heterogeneous dark silicon processors. The goal is to cover both the computation and communication perspectives. In particular, we exploit computation and communication heterogeneity at multiple levels of system abstractions to design and manage dark silicon processors. The available dark silicon is leveraged to improve power/energy, performance, and reliability efficiency.","PeriodicalId":228605,"journal":{"name":"Proceedings of the 9th International Symposium on Networks-on-Chip","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127938821","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
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