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Optimization Algorithms for Design Space Exploration of Embedded Systems [chapter]

Enrico Rigoni, Carlos Kavka, Alessandro Turco, Gianluca Palermo, Cristina Silvano, Vittorio Zaccaria, Giovanni Mariani
2011 Multi-objective Design Space Exploration of Multiprocessor SoC Architectures  
The state-of-the art lacks of a Design Space Exploration (DSE) framework to help the designer in the automatic selection of the most suitable system configuration for a certain application given a set  ...  Ideally, a designer would try all possible design choices and choose the most suitable according to the specific system requirements.  ...  Entering Part I on methodologies and tools, Chap. 1 introduces the MULTICUBE design-flow to support the automatic multi-objective Design Space Exploration (DSE) to tune the parameters of System-on-Chip  ... 
doi:10.1007/978-1-4419-8837-9_3 fatcat:jprld4pwfzcgrfrvx7ayu5k5wu

MULTICUBE: Multi-Objective Design Space Exploration of Multi-Core Architectures [chapter]

Cristina Silvano, William Fornaciari, Gianluca Palermo, Vittorio Zaccaria, Fabrizio Castro, Marcos Martinez, Sara Bocchio, Roberto Zafalon, Prabhat Avasare, Geert Vanmeerbeeck, Chantal Ykman-Couvreur, Maryse Wouters (+11 others)
2011 Lecture Notes in Electrical Engineering  
The main goal of the MULTICUBE project consists of the definition of an automatic Design Space Exploration framework to support the design of next generation many-core architectures 1 . 444!222  ...  Technology trends enable the integration of many processor cores in a System-on-Chip (SoC).  ...  THE MULTICUBE DESIGN METHODOLOGY The MULTICUBE design flow (shown in Figure 1 ) consists of two frameworks: Power/Performance Estimation Framework includes the simulation tools for power and performance  ... 
doi:10.1007/978-94-007-1488-5_4 fatcat:omaeyuil65c6vbxnnhpmjshf3a

Platinum Multicubes Prepared by Ni2+-Mediated Shape Evolution Exhibit High Electrocatalytic Activity for Oxygen Reduction

Liang Ma, Chengming Wang, Bao Yu Xia, Keke Mao, Jiawei He, Xiaojun Wu, Yujie Xiong, Xiong Wen David Lou
2015 Angewandte Chemie  
he synthesis is accomplished by aN i 2 + -mediated facet evolution from high-index {311} to {100} facets on the frameworks of multipods.Despite the high {100} facet coverage,the Pt multicubes exhibit  ...  The facet evolution creates as et of samples with tunable ratios of high-index to low-index facets.T he results reveal that the excellent ORR performance of Pt multicubes is ac ombined result of active  ...  RHE) 0.895 0.870 0.939 0.938 [a] The polarization curves were recorded in 0.1 m HClO 4 with contin- uous O 2 gas flow at asweep rate of 20 mVs À1 and arotation speed of 1600 rpm. 015 Wiley-VCH  ... 
doi:10.1002/ange.201500947 fatcat:zu45hcvccrfwtevcap6wru6r2y

Platinum Multicubes Prepared by Ni2+-Mediated Shape Evolution Exhibit High Electrocatalytic Activity for Oxygen Reduction

Liang Ma, Chengming Wang, Bao Yu Xia, Keke Mao, Jiawei He, Xiaojun Wu, Yujie Xiong, Xiong Wen David Lou
2015 Angewandte Chemie International Edition  
he synthesis is accomplished by aN i 2 + -mediated facet evolution from high-index {311} to {100} facets on the frameworks of multipods.Despite the high {100} facet coverage,the Pt multicubes exhibit  ...  The facet evolution creates as et of samples with tunable ratios of high-index to low-index facets.T he results reveal that the excellent ORR performance of Pt multicubes is ac ombined result of active  ...  RHE) 0.895 0.870 0.939 0.938 [a] The polarization curves were recorded in 0.1 m HClO 4 with contin- uous O 2 gas flow at asweep rate of 20 mVs À1 and arotation speed of 1600 rpm. 015 Wiley-VCH  ... 
doi:10.1002/anie.201500947 pmid:25756931 fatcat:qomp4y6mpfdyzly4upqtenktee

Building Three-Dimensional Differentiable Manifolds Numerically [article]

Lee Lindblom, Oliver Rinne, Nicholas W. Taylor
2022 arXiv   pre-print
A method is developed here for building differentiable three-dimensional manifolds on multicube structures.  ...  It uses solutions to the two- and three-dimensional biharmonic equations in a sequence of steps that increase the differentiability of the reference metrics across the interfaces between cubic regions.  ...  Acknowledgments This research was supported in part by NSF grant 2012857 to the University of California at San Diego.  ... 
arXiv:2107.04945v2 fatcat:k65bd6xa3bh3rdu4oycksevmyi

VALIDATION OF COMPASS FOR PRE-TREATMENT PATIENT-SPECIFIC QUALITY ASSURANCE

Dayanand Sharma Seema Sharma, Suman Bhaskar Vellaiyan Subramani, Sanjay Thulkar Pratik Kumar
2022 Zenodo  
Materials & methods: Purpose is to test the MLC modelling in COMPASS software, using Elekta Express QA package contains eight QA fields as follows (i) 10x10 (ii) 20x20 (iii) 3ABUT (iv) DMLC1 (v) HIMRT  ...  The flow diagram of COMPASS work flow is shown in Figure-1. Figure1: - - Figure1:-Showing the flow diagram of COMPASS work flow.  ...  To check the MLC modelling in COMPASS all the Express QA beams were calculated in Multicube-lite phantom (IBA, Schwarzenbruck, Germany, Multicube phantom with I'matriXX at 11.0cm depth) using Monaco 5.11  ... 
doi:10.5281/zenodo.6580175 fatcat:zpxytq42lvgnpmne6drxn5odtq

Effective Platform-Level Exploration for Heterogeneous Multicores Exploiting Simulation-Induced Slacks

Efstathios Sotiriou-Xanthopoulos, Sotirios Xydis, Kostas Siozios, George Economakos, Dimitrios Soudris
2014 Proceedings of Workshop on Parallel Programming and Run-Time Management Techniques for Many-core Architectures and Design Tools and Architectures for Multicore Embedded Computing Platforms - PARMA-DITAM '14  
For high-quality DSE, the accurate solution evaluation is a strong requirement. To this direction, High-Level Synthesis (HLS) can be used for the characterization of the design solutions.  ...  tool-flow which takes into account multiple HW/SW partitioning schemes and intelligently schedules system evaluations.  ...  DSE core flow (Figure 2b) : The proposed DSE tool-flow (Figure 2b ) is based on Multicube [2] [12] and uses the NSGAII genetic optimizer [6] .  ... 
doi:10.1145/2556863.2556864 dblp:conf/hipeac/Sotiriou-Xanthopoulos14 fatcat:pljw7z42h5c6jd45dfamhde7sq

Linking run-time resource management of embedded multi-core platforms with automated design-time exploration

C. Ykman-Couvreur, P. Avasare, G. Mariani, G. Palermo, C. Silvano, V. Zaccaria
2011 IET Computers & Digital Techniques  
This study presents a flow linking a design-time design space explorer, coupled with platform simulators at two abstraction levels, with a fast and lightweight priority-based heuristic integrated in the  ...  To illustrate its feasibility and the very low complexity of the run-time selection, the proposed flow is used to manage the processors and clock frequencies of a multiplestream MPEG4 encoder chip dedicated  ...  The design space explorers used in our flow can be either the commercially available modeFRONTIER [40] or the open-source Multicube Explorer [41] .  ... 
doi:10.1049/iet-cdt.2010.0030 fatcat:z2o63o53r5g7xfu2v67iepdrqi

Time‐lapse seismic reservoir monitoring

David E. Lumley
2001 Geophysics  
properties of faults (sealing versus leaking), which can be extremely useful for optimal design of production facilities and well paths in complex reservoir flow systems.  ...  The major opportunity provided by 4-D seismic data is its ability to image fluid flow in the volumetric region not sampled by wells.  ...  The multicube interpretation is qualitative at this stage in the sense that anomalies are often inferred to be changes in oil, water, or gas saturation (Anderson et al., 1997; Sonneland et al., 1997;  ... 
doi:10.1190/1.1444921 fatcat:ujd6gvjj7nh75lfovfndcufubi

Parallel paradigms and run-time management techniques for many-core architectures

C. Silvano, E. Speziale, D. Melpignano, J. M. Zins, D. Siorpaes, H. Hübert, B. Stabernack, J. Brandenburg, M. Palkovic, P. Raghavan, C. Ykman-Couvreur, W. Fornaciari (+15 others)
2012 Proceedings of the 2012 Interconnection Network Architecture on On-Chip, Multi-Chip Workshop - INA-OCMC '12  
based on portable bytecode, run-time resource management policies and mechanisms as well as design space exploration methodologies for Many-core Computing Fabrics.  ...  The 2PARMA project aims at overcoming the lack of parallel programming models and run-time resource management techniques to exploit the features of many-core processor architectures.  ...  In the component-oriented design, a special focus is set to efficiently coordinate the data and control flow at runtime.  ... 
doi:10.1145/2107763.2107774 fatcat:urg4kvavkbbbdpaobdjrhty32m

An industrial design space exploration framework for supporting run-time resource management on multi-core systems

G Mariani, P Avasare, G Vanmeerbeeck, C Ykman-Couvreur, G Palermo, C Silvano, V Zaccaria
2010 2010 Design, Automation & Test in Europe Conference & Exhibition (DATE 2010)  
Current multi-core design methodologies are facing increasing unpredictability in terms of quality due to the actual diversity of the workloads that characterize the deployment scenario.  ...  From one side, the framework operates at design time to identify a set of promising operating points which represent the optimal trade-off in terms of the target power consumption and performance.  ...  Performance of the algorithm. To perform the heuristic design space exploration we used the NSGA-II plug-in of the Multicube Explorer open-source design space exploration tool 2 .  ... 
doi:10.1109/date.2010.5457211 dblp:conf/date/MarianiAVYPSZ10 fatcat:ukh5le3ucbeujkox7yulghluwy

Multi-objective optimization and multi-criteria decision aid applied to the design of 3D-stacked integrated circuits

Nguyen Anh Vu Doan
2016 4OR  
Acknowledgements This thesis would not have been possible without the mentoring of my supervisors Yves De Smet, Dragomir Milojevic and Frédéric Robert. Thank you for your support and advices.  ...  Multicube Explorer Multicube Explorer Multicube-SCoPE Multicube-SCoPE [37] is an evolution of the SCoPE tool [38] oriented to design space exploration.  ...  Among the developed prototyping tools, Multicube explorer and Multicube-SCoPE can be cited. [36] is a design space exploration framework for supporting platform-based design.  ... 
doi:10.1007/s10288-016-0313-3 fatcat:rfxt6ikedjdf3cfj62wcsh67ty

Using multi-objective design space exploration to enable run-time resource management for reconfigurable architectures

G. Mariani, V. Sima, G. Palermo, V. Zaccaria, C. Silvano, K. Bertels
2012 2012 Design, Automation & Test in Europe Conference & Exhibition (DATE)  
The entry point of the design flow is the application source code; our flow is able to heuristically determine a set of candidate hardware/software configurations of the application (i.e., operating points  ...  This paper introduces a fully automated design flow that exploits multi-objective design space exploration to enable runtime resource management for the Molen reconfigurable architecture.  ...  Design flow analysis. We have run the proposed fully automated design flow for both WFS and INCAR and we measured the time required to perform each design.  ... 
doi:10.1109/date.2012.6176578 dblp:conf/date/MarianiSPZSB12 fatcat:mlfmnehmjjb6topto3ujvjpduy

MPSoCs run-time monitoring through Networks-on-Chip

L. Fiorin, G. Palermo, C. Silvano
2009 2009 Design, Automation & Test in Europe Conference & Exhibition  
We detail the design of the basic blocks and analyse the overhead associated with the ASIC implementation of the monitoring system, as well as discussing implications in terms of the additional traffic  ...  Networks-on-Chip (NoCs) have appeared as design strategy to overcome the limitations, in terms of scalability, efficiency, and power consumption of current buses.  ...  The length of the time window can be set by the RTM at runtime or by the designer at design time. The time window is implemented by using a programmable counter.  ... 
doi:10.1109/date.2009.5090726 dblp:conf/date/FiorinPS09 fatcat:yczssoxunfbrfap5f67ld7rxmq

2PARMA: Parallel Paradigms and Run-Time Management Techniques for Many-Core Architectures

C. Silvano, W. Fornaciari, S. Crespi Reghizzi, G. Agosta, G. Palermo, V. Zaccaria, P. Bellasi, F. Castro, S. Corbetta, A. Di Biagio, E. Speziale, M. Tartara (+17 others)
2010 2010 IEEE Computer Society Annual Symposium on VLSI  
on portable byte-code, run-time resource management policies and mechanisms as well as design space exploration methodologies for manycore computing architectures.  ...  The 2PARMA project focuses on the development of parallel programming models and run-time resource management techniques to exploit the features of many-core processor architectures.  ...  The rest of this Section provides more detail on the techniques employed in the design flow. A.  ... 
doi:10.1109/isvlsi.2010.93 dblp:conf/isvlsi/SilvanoFCAPZBCCBSTSHSBPRYBXSKALMAMV10 fatcat:6slhzv6pnnclzlgfydqiafrzxm
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