Department of Electrical Engineering & Computer Science

Computer Architecture Laboratory

                         UCF EECS Department Building:
                           Harris Engineering Center-242

Ronald F. DeMara

                                                                   Director:
                                                   Professor Ronald F. DeMara

Ronald F. DeMara


New Items

    Highlighted Media and Products:                    Pavan
    Recent Publications:
  1. 05 August 2019: Our paper "PARC: A novel design methodology for power analysis resilient circuits using spintronics," accepted to IEEE Transactions on Nanotechnology - Letters (ENANO).
  2. 24 July 2019: Our paper "MRAM-Enhanced Low Power Reconfigurable Fabric with Multi-Level Variation Tolerance," accepted to IEEE Transactions on Circuits and Systems I (TCAS-I).
  3. 12 July 2019: Our paper "Virtualized Active Learning for Undergraduate Engineering Disciplines (VALUED): A Pilot in a Large Enrollment STEM Classroom," accepted to IEEE Frontiers in Education conference (FIE-2019).
  4. 12 July 2019: Our "Workshop on Virtualized Active Learning in STEM," approved as a 4-hour Pre-Conference Workshop at IEEE Frontiers in Education conference (FIE-2019).
  5. 10 July 2019: Editorial and issue of IEEE Transactions on Computers "Special Section on Emerging Non-Volatile Memory Technologies: From Devices to Architectures and Systems," published in IEEExplore August 2019 issue of IEEE Transactions on Computers.
  6. 01 June 2019: Our paper "Implementing Student-Created Video in Engineering: An Active Learning Approach for Exam Preparedness," accepted to International Journal of Engineering Pedagogy (iJEP).
  7. 15 May 2019: Our paper "Leveraging Stochasticity for In-Situ Learning in Binarized Deep Neural Networks," is Featured Article on the Front Cover of IEEE Computer magazine.
  8. 10 May 2019: Our paper "A High-Speed Ultra-Low-Power Subthreshold Spintronic Stochastic Spiking Neuron," accepted to IEEE Midwest Symposium on Circuits and Systems (MWSCAS).
  9. 10 May 2019: Our poster “AQuRate: MRAM-based Stochastic Oscillator for Adaptive Quantization Rate Sampling of Spectrally Sparse Signals," received Best Poster Award of the conference at the 28th ACM Great Lakes Symposium on VLSI (GLSVLSI).
  10. 01 May 2019: Our paper with Dr. Yu Bai "S-LIM XNN: A Energy Efficient Spintronic-Logic-in-Memory Based XNOR Neural Network Accelerator," accepted to IEEE Transactions on Emerging Topics in Computing.
  11. 23 April 2019: Our paper "IRC: Cross-layer design exploration of Intermittent Robust Computation units for IoTs," accepted to IEEE Computer Society Annual Symposium on VLSI.
  12. 03 April 2019: Our paper with Dr. Yu Bai "Energy Efficient Mobile Service Computing through Differential Spin-C-element: A Logic-in-Memory Asynchronous Computing Paradigm," accepted to IEEE Access Special Issue on Mobile Service Computing with Internet of Things.
  13. 11 March 2019: Our paper "Leveraging Stochasticity for In-Situ Learning in Binarized Deep Neural Networks," accepted to Computer (a.k.a. IEEE Computer Magazine) selected to Special Issue on Cognitive Computing Systems and Applications.
  14. 07 March 2019: Our paper "Subthreshold Spintronic Stochastic Spiking Neural Networks with Probabilistic Hebbian Plasticity and Homeostasis," accepted to IEEE Journal of Exploratory Solid-State Computational Devices and Circuits (IEEE JxCDC). Selected to its Special Issue on Non-Volatile Memory for Efficient Implementation of Neural/Neuromorphic Computing.
  15. 06 March 2019: Our paper "Adapting Mixed-Mode Instructional Delivery to Thrive within STEM Curricula," accepted to ASEE National Annual Conference & Exposition (ASEE-2019).
  16. 05 March 2019: Our paper "Learner Capstone Panels for Immersing Undergraduates in Mechanisms of Engineering Research," accepted to ASEE National Annual Conference & Exposition (ASEE-2019).
  17. 03 March 2019: Our paper "Methods and Outcomes of the NSF Project on Synthesizing Environments for Digitally-Mediated Team Learning," accepted to ASEE National Annual Conference & Exposition (ASEE-2019).
  18. 18 February 2019: Our paper "Design and Evaluation of DNU-Tolerant Registers for Resilient Architectural State Storage," accepted to 28th IEEE/ACM Great Lakes Symposium on VLSI (GLSVLSI-2019) Conference.
  19. 18 February 2019: Our paper "Clockless Spin-based Look-Up Tables with Wide Read Margin," accepted to 28th IEEE/ACM Great Lakes Symposium on VLSI (GLSVLSI-2019) Conference.
  20. 18 February 2019: Our paper "AQuRate: MRAM-based Stochastic Oscillator for Adaptive Quantization Rate Sampling of Spectrally Sparse Signals," accepted to 28th IEEE/ACM Great Lakes Symposium on VLSI (GLSVLSI-2019) Conference.
  21. 15 February 2019: Our paper "Observable, Traceable, Autograded Computer-Mediated Collaborative Learning: A Pilot of Scalable Team Design in the Engineering Classroom," accepted to Journal of Interactive Learning Research.
  22. 15 February 2019: Our paper “Leveraging Flipped Pedagogies and Wi-Fi Enabled Technologies to Scale Up Collaborative Learning in Large Enrollment STEM Courses: An Exploration of Student Perceptions,” accepted to Journal of Interactive Learning Research.
  23. 12 Febuary 2019: Our paper "Scalable Delivery and Remediation of Engineering Assessments using Computer-Based Assessment" accepted to IEEE Integrated STEM Education Conference.
  24. 7 Febuary 2019: Our paper “Noise Sensitivity Analysis of Deep Belief Networks: A Monte Carlo Simulation for Memristive Crossbars,” IEEE SoutheastCon 2019 (SECon-2019).
  25. 6 Febuary 2019: Our paper “A Parity-Preserving Reversible QCA Gate with Self-Checking Cascadable Resiliency,” selected as featured paper of IEEE Transactions on Emerging Topics in Computing, including free download featured on IEEE Transactions webpage. It was also selected to the Special Section on "Defect and Fault Tolerance in VLSI and Nanotechnology" as anchor paper of the Special Issue.
  26. 4 Febuary 2019: Our abstract “Virtualized Active Learning for Undergraduate Engineering Disciplines (VALUED): A Pilot in Large Enrollment Classroom,” IEEE Frontiers in Education (FIE-2019) conference.
  27. 4 Febuary 2019: Our pre-conference workshop “Workshop on Virtualized Active Learning in STEM,” accepted to IEEE Frontiers in Education (FIE-2019) conference.
  28. 31 January 2019: Our paper “Training Optimization of Restricted Boltzmann Machines using a Contrastive Divergence Algorithm,” accepted to IEEE SoutheastCon 2019 (SECon-2019).
  29. 07 January 2019: Our paper "Composable Probabilistic Inference Networks Using MRAM-based Stochastic Neurons" accepted to ACM Journal on Emerging Technologies in Computing Systems (JETC) in its Special Issue on Hardware and Algorithms for Energy-Constrained On-chip Machine Learning
  30. 3 December 2018: Our paper “Processing-In-Memory Acceleration of Convolutional Neural Networks for Energy-Efficiency, and Power-Intermittency Resilience,” accepted to The 20th International Symposium on Quality Electronic Design (ISQED 2019).
  31. 15 November 2018: Our abstract “HSC-FPGA: A Hybrid Spin/Charge FPGA Leveraging the Cooperating Strengths of CMOS and MTJ Devices,” accepted to 27th ACM/SIGDA International Symposium on Field-Programmable Gate Arrays.
  32. 08 November 2018: Our abstract “Adapting Mixed-Mode Instructional Delivery to Thrive within STEM Curricula,” accepted to ASEE National Annual Conference & Exposition (ASEE-2019).
  33. 07 November 2018: Our paper “Non-Volatile Spintronic Flip-Flop Design for Energy-Efficient SEU and DNU Resilience,” accepted to IEEE Transactions on Magnetics.
  34. 03 November 2018: Our abstract “Hierarchical Approach to Integrating Research into Undergraduate Core Courses: Graduate Assistant Focus Topics in Learner Capstone Paper Panels,” accepted to ASEE National Annual Conference & Exposition (ASEE-2019).
  35. 01 November 2018: Our abstract “Outcomes of the NSF Project on Synthesizing Environments for Digitally-Mediated Team Learning,” accepted to ASEE National Annual Conference & Exposition (ASEE-2019).
  36. 02 October 2018: Our paper with Dr. Nader “Quantitative Impact on Learning Achievement of High Integrity Testing during Online Delivery,” accepted to American Society for Engineering Education Southeastern Conference (ASEE-SE-18).
  37. 01 October 2018: Our paper with Drs. Tian and Gao “Efficacy and Perceptions of Assessment Digitization within a Large-Enrollment Mechanical and Aerospace Engineering Course,” accepted to Wiley publisher's Computer Applications in Engineering Education.
  38. 28 September 2018: Our paper “SLIM-ADC: Spin-based Logic-In-Memory Analog to Digital Converter Leveraging SHE-enabled Domain Wall Motion Devices,” accepted to Microelectronics Journal special issue on "Spintronic integrated circuits and new architectures for low power electronics".
  39. 07 September 2018: Our paper “Engineering Assessment Strata: A Layered Approach to Evaluation Spanning Bloom's Taxonomy of Learning,” accepted to Springer Publishing's journal Education and Information Technologies..
  40. 06 August 2018: Our paper “BGIM: Bit-Grained Instant-on Memory Cell for Sleep Power Critical Mobile Applications,” accepted to IEEE International Conference on Computer Design (ICCD-2018).
  41. 03 August 2018: Our paper “SNRA: A Spintronic Neuromorphic Reconfigurable Array for In-Circuit Training and Evaluation of Deep Belief Networks,” accepted to IEEE International Conference on Rebooting Computing (ICRC-2018).
  42. 02 July 2018: Our paper with Dr. Tian “Lockdown Computerized Testing Interwoven with Rapid Remediation: A Crossover Study within a Mechanical Engineering Core Course,” accepted to IEEE Frontiers in Education (FIE-2018) conference.
  43. 26 June 2018: Our paper “Energy-Aware Adaptive Rate and Resolution Sampling of Spectrally Sparse Signals Leveraging VCMA-MTJ Devices,” accepted to IEEE Journal on Emerging and Selected Topics in Circuits and Systems' Special Issue on Energy-Quality Scalable Circuits and Systems.
  44. 24 May 2018: Our paper “Low-Energy Deep Belief Networks using Intrinsic Sigmoidal Spintronic-based Probabilistic Neurons,” received certificate as Best Paper Award nominee and was ranked 2nd of 161 technical submissions at 28th ACM Great Lakes Symposium on VLSI (GLSVLSI).
  45. 06 May 2018: Our paper with Dr. Fan and Dr. Han “Majority-Based Spin-CMOS Primitives for Approximate Computing,” accepted to IEEE Transactions on Nanotechnology (TNANO).
  46. 01 May 2018: Our paper “Non-Volatile Memory Trends: Toward Improving Density and Energy Profiles Across the System Stack,” appeared in monthly issue of IEEE Computer magazine.
    • Advancement and Congratulations:
    • 07 May 2019: Congratulations to Adedoyin Adepegba on receiving the AT&T Wireless Endowed Scholarship.
    • 07 May 2019: Congratulations to Adedoyin Adepegba on receiving the Kris and Bill Sammons Engineering Scholarship.
    • 07 May 2019: Congratulations to Soheil Salehi on receiving the Frank Hubbard Engineering Endowed Scholarship.
    • 05 May 2019: Congratulations to Soheil Salehi on receiving a Ph.D. Forum travel grant to attend the ACM Design Automation Conference (DAC).
    • 12 April 2019: New Ph.D. graduate Ramtin Zand to become Assistant Professor of Computer Engineering at the University of South Carolina commencing August 2019.
    • 06 April 2019: New Ph.D. graduate Faris Alghareb to become Assistant Professor of ECE at Ninevah University commencing August 2019.
    • 05 April 2019: Congratulations to Adedoyin Adepegba for receiving the 2019 UCF Showcase of Undergraduate Research Excellence (SURE) Judges' Choice Award.
    • 26 March 2019: Professor DeMara serving Associate Editor of IEEE Transactions of Emerging Topics in Computing (IEEE TETC).
    • 25 March 2019: Congratulations to Shadi Sheikhfaal on being selected as a Richard Newton Young Fellow by ACM Design Automation Conference (DAC).
    • 23 March 2019: Professor DeMara to serve on the Technical Program Committee of the 8th IEEE Non-Volatile Memory Systems and Applications Symposium (NVMSA 2019).
    • 19 March 2019: Congratulations to Ramtin Zand for passing Ph.D. dissertation defense.
    • 18 March 2019: Congratulations to Arman Roohi for passing Ph.D. dissertation defense.
    • 20 February 2019: Congratulations to Steven Pyle for passing Ph.D. dissertation defense.
    • 11 February 2019: Congratulations to Faris Alghareb for passing Ph.D. dissertation defense.
    • 7 December 2018: Professor DeMara to serve on the Technical Program Committee of the IEEE Computer Society Annual Symposium on VLSI. The track is VLSI for Applied and Future Computing (AFC): Neuromorphic and brain-inspired computing, quantum computing, circuits and architectures for machine learning and artificial intelligence, methodologies for on-chip learning, Internet of Things, and others.
    • 3 December 2018: Professor DeMara to serve as a session chair at the 20th International Symposium on Quality Electronic Design (ISQED 2019).
    • 28 October 2018: Professor DeMara to serve as co-chair of the conference track and special session of "In-Memory Processing for Future Electronics" during the 29th ACM Great Lakes Symposium on VLSI (GLSVLSI-2019).
    • 11 October 2018: Congratulations to Adedoyin Adepegba for selection as a Research And Mentoring Program (RAMP) Scholar.
    • 21 September 2018: Congratulations to Professor DeMara for receiving the Online Learning Consortium (OLC) "Effective Practice Award" along with collaborators Drs. Chen and Hartshorne of UCF. OLC recognizes international-scale professional leadership dedicated to integrating online techniques into the mainstream of higher education. The OLC Effective Practice Award recognizes the innovation, development, and leadership of the Evaluation and Proficiency Center (EPC) as a scalable and transportable methodology brought into practice of 7 Engineering degree programs and also the Physics degree program. At UCF, the EPC serves 31 courses and over 10,000 enrollments annually with interwoven tutoring, asynchronous testing, and post-test remediation.
    • 13 September 2018: Congratulations to Soheil Salehi for receiving IEEE ICCD Student Merit travel grant.
    • 04 August 2018: Professor DeMara to serve as Technical Program Committee of the IEEE Symposium Series On Computational Intelligence (SSCI-2018).
    • 25 July 2018: Professor DeMara appointed as the IEEE Computer Society chair of the IPSJ/IEEE Computer Society Young Computer Researcher Award Committee.
    • 18 May 2018: Professor DeMara designated as the inaugural "Faculty Fellow of Digital Learning" for university-wide appointment at the University of Central Florida to facilitate Technology-Enhanced Learning in STEM programs across campus.
    • 03 April 2018: Congratulations to Ramtin Zand for receiving the Daniel D. Hammond Engineering Endowed Scholarship.
    • 03 April 2018: Congratulations to Ramtin Zand for receiving the Alireza Seyedi Doctoral Research Innovation Endowed Scholarship.
    • 03 April 2018: Congratulations to Soheil Salehi for receiving the David T. & Jane M. Donaldson Memorial Scholarship.
    • 03 April 2018: Congratulations to Arman Roohi for receiving the Frank Hubbard Engineering Endowed Scholarship.
    • 03 April 2018: Congratulations to Adedoyin Adepegba for receiving the Daniel D. Hammond Engineering Endowed Scholarship.
    • 06 February 2018: Professor DeMara to serve as as Member-at-Large of the IEEE Computer Society Awards Committee.
    • Press Release:
    • 8 December 2018:  Professor DeMara's initiative "Evaluation and Proficiency Center Learning Upgrades" funded for $319,426 in facilities and equipment by the UCF Technology Fee Program.
    • 24 August 2018:  NSF CCSS Division awarded grant #1810256 titled  "Cross-layer Adaptive Rate/Resolution Design for Energy-Aware Acquisition of Spectrally Sparse Signals Leveraging Spin-based Devices" with Dr. Nazanin Rahnavard. Professor DeMara will lead the self-adapting spin-based ADC designs, conducting the circuit simulations of VCMA MTJs, and developing energy-aware Processing-In-Memory architectures.
    • 19 July 2018:  NSF DRL Division awarded grant #1825007 titled  "Synthesis and Design Workshop: Digitally-Mediated Team Learning" in conjunction with Co-Investigators at UCF, WPI, and Colorado School of Mines. Professor DeMara will lead the white paper development to identify 1-, 3-, and 5+ year research spanning instructional technologies for learner design teams, learning analytics to personalize and adapt peer learning, and collaborative learning technologies to broaden participation. A number of travel stipends are also available for researchers to participate.
    • 12 September 2017: Semiconductor Research Corporation (SRC) Center established for Probabilistic Spin Logic in conjunction with Investigators at Purdue University, Berkeley, and UMN totaling $1.2M across three institutions. The UCF Computer Architecture Lab will conduct "Theme 4: Architectures and Systems from Probabilistic Spin Circuits to Benchmarking."
    • 12 September 2017: NSF CCF Division awarded grant# 1739635 titled "E2CDA: Type I: Probabilistic Spin Logic for Low-Energy Boolean and Non-Boolean Computing," in conjunction with Investigators at Purdue University, Berkeley, and UMN, as an NSF research project spanning October 2017 through September 2020 totaling $2.5M across three institutions. The UCF Computer Architecture Lab will conduct the Architectural and System Performance research elements on novel approaches for post-CMOS energy-efficient computing.
    • 24 April 2017: Drs. Chen, Hartshorne, and DeMara received $10K QEP funding for a 2-year project titled "Incorporating Career-Readiness Learning in Foundational STEM Curricula via Integrative Assessments".
University of Central Florida