2025

• Hernandez Morales JJ., Hannig F., Teich J.:
  A SIMD MAC RISC-V Extension with Approximate Multipliers for Accelerating CNN Inference in Tiny Embedded Devices
  38th GI/ITG International Conference on Architecture of Computing Systems (Kiel, 22. April 2025 - 24. April 2025)
  In: Sven Tomforde, Christian Krupitzer, Stephane Vialle, Estela Suarez, and Thilo Pionteck (ed.): Architecture of Computing Systems, 38th International Conference, ARCS 2025, Kiel, Germany, April 22–24, 2025, Proceedings 2025
  DOI: 10.1007/978-3-032-03281-2_12
  URL: https://link.springer.com/chapter/10.1007/978-3-032-03281-2_12
  BibTeX: Download

2024

• Brand M.:
  Approximate and Reconfigurable Precision Instruction Set Processors for Tightly Coupled Processor Arrays (Dissertation, 2024)
  DOI: 10.25593/open-fau-601
  URL: https://open.fau.de/handle/openfau/31038
  BibTeX: Download
• Jungnitz N., Keszöcze O.:
  SAS - A Framework for Symmetry-based Approximate Synthesis
  Design Automation Conference (San Francisco, 23. June 2024 - 27. June 2024)
  DOI: 10.1145/3649329.3658495
  BibTeX: Download
• Plagwitz P., Hannig F., Teich J., Keszöcze O.:
  DSL-based SNN Accelerator Design using Chisel
  27th Euromicro Conference Series on Digital System Design (DSD) (Paris, 27. August 2024 - 30. August 2024)
  In: Proceedings of the 27th Euromicro Conference on Digital Systems Design (DSD) 2024
  DOI: 10.1109/DSD64264.2024.00032
  BibTeX: Download
• Plagwitz P., Hannig F., Teich J., Keszöcze O.:
  SNN vs. CNN Implementations on FPGAs: An Empirical Evaluation
  20th International Symposium on Applied Reconfigurable Computing. Architectures, Tools, and Applications (ARC) (Aveiro, 20. March 2024 - 22. March 2024)
  In: Proceedings of the 20th International Symposium on Applied Reconfigurable Computing. Architectures, Tools, and Applications (ARC) 2024
  DOI: 10.1007/978-3-031-55673-9_1
  BibTeX: Download
• Plagwitz P., Hannig F., Teich J., Keszöcze O.:
  Compiler-based Processor Network Generation for Neural Networks on FPGAs
  27th Workshop on Methods and Description Languages for Modelling and Verification of Circuits and Systems (MBMV) (Kaiserslautern, 14. February 2024 - 15. February 2024)
  In: Proceedings of the 27th Workshop on Methods and Description Languages for Modelling and Verification of Circuits and Systems (MBMV) 2024
  BibTeX: Download

2023

• Heil A., Keszöcze O.:
  Fast Approximate AIG-Based Synthesis
  In: Rolf Drechsler, Sebastian Huhn (ed.): Advanced Boolean Techniques, Springer, 2023, p. 17 -- 32
  ISBN: 978-3-031-28915-6
  DOI: 10.1007/978-3-031-28916-3
  BibTeX: Download
• Plagwitz P., Hannig F., Teich J., Keszöcze O.:
  To Spike or Not to Spike? A Quantitative Comparison of SNN and CNN FPGA Implementations
  (2023)
  Open Access: https://arxiv.org/abs/2306.12742
  URL: https://arxiv.org/abs/2306.12742
  BibTeX: Download
  (online publication)
• Pradhan C., Letras M., Teich J.:
  Efficient Table-based Function Approximation on FPGAs using Interval Splitting and BRAM Instantiation
  In: ACM Transactions on Embedded Computing Systems 22 (2023), p. 1-24
  ISSN: 1539-9087
  DOI: 10.1145/3580737
  BibTeX: Download

2022

• Brand M., Keszöcze O., Teich J.:
  Precision- and Accuracy-Reconfigurable Processor Architectures—An Overview
  In: IEEE Transactions on Circuits and Systems II: Express Briefs 69 (2022), p. 2661 - 2666
  ISSN: 1057-7130
  DOI: 10.1109/TCSII.2022.3173753
  BibTeX: Download
• Echavarria Gutiérrez JA.:
  On the Approximation of Arithmetic Functions and Logic Snythesis of Approximate Very Large Boolean Networks (Dissertation, 2022)
  URL: https://opus4.kobv.de/opus4-fau/files/20100/DissertationJorgeEchavarria.pdf
  BibTeX: Download
• Echavarria Gutiérrez JA., Keszöcze O., Teich J.:
  Probability-based DSE of Approximated LUT-based FPGA Designs
  15th IEEE Dallas Circuits and Systems Conference (Dallas, 17. June 2022 - 19. June 2022)
  DOI: 10.1109/dcas53974.2022.9845591
  BibTeX: Download
• Echavarria Gutiérrez JA., Wildermann S., Keszöcze O., Khosravi F., Becher A., Teich J.:
  Design and Error Analysis of Accuracy-configurable Sequential Multipliers via Segmented Carry Chains
  In: it - Information Technology (2022)
  ISSN: 1611-2776
  DOI: 10.1515/itit-2021-0040
  BibTeX: Download
• Heil A., Keszöcze O.:
  Fast Approximate AIG-Based Synthesis
  International Workshop on Boolean Problems (Bremen, 22. September 2022 - 23. September 2022)
  BibTeX: Download
• Keszöcze O.:
  BDD-based Error Metric Analysis, Computation and Optimization
  In: IEEE Access 10 (2022), p. 14013 - 14028
  ISSN: 2169-3536
  DOI: 10.1109/ACCESS.2022.3140557
  URL: https://ieeexplore.ieee.org/abstract/document/9669272
  BibTeX: Download
• Sommer J., Özkan MA., Keszöcze O., Teich J.:
  DSP-Packing: Squeezing Low-precision Arithmetic into FPGA DSP Blocks
  International Conference on Field Programmable Logic and Applications (FPL) (Belfast, United Kingdom, 29. August 2022 - 2. September 2022)
  In: IEEE Proceedings of the 32nd International Conference on Field Programmable Logic and Applications 2022
  DOI: 10.1109/FPL57034.2022.00035
  BibTeX: Download
• Sommer J., Özkan MA., Keszöcze O., Teich J.:
  Efficient Hardware Acceleration of Sparsely Active Convolutional Spiking Neural Networks
  International Conference on Hardware/Software Codesign and System Synthesis (CODES+ISSS) (Shanghai, 7. October 2022 - 14. October 2022)
  DOI: 10.1109/tcad.2022.3197512
  BibTeX: Download
• Sommer J., Özkan MA., Keszöcze O., Teich J.:
  Efficient Hardware Acceleration of Sparsely Active Convolutional Spiking Neural Networks
  In: IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems 41 (2022), p. 3767 - 3778
  ISSN: 0278-0070
  DOI: 10.1109/TCAD.2022.3197512
  BibTeX: Download

2021

• Bosio A., O'Connor I., Traiola M., Echavarria Gutiérrez JA., Teich J., Abdullah Hanif M., Shafique M., Hamdioui S., Deveautour B., Girard P., Virazel A., Bertels K.:
  Emerging Computing Devices: Challenges and Opportunities for Test and Reliability*
  IEEE European Test Symposium (ETS) (Virtual Conference, 24. May 2021 - 28. May 2021)
  In: Proceedings of the 26th IEEE European Test Symposium (ETS) 2021
  DOI: 10.1109/ETS50041.2021.9465409
  BibTeX: Download
• Echavarria Gutiérrez JA., Wildermann S., Keszöcze O., Khosravi F., Becher A., Teich J.:
  On the Approximation of Accuracy-configurable Sequential Multipliers via Segmented Carry Chains
  (2021)
  URL: http://arxiv.org/abs/2105.05588
  BibTeX: Download
  (online publication)
• Echavarria Gutiérrez JA., Wildermann S., Teich J.:
  Approximate Logic Synthesis of Very Large Boolean Networks
  Design, Automation and Test in Europe, DATE 2021, February 1-5, 2021 (Alpexpo, Grenoble, 1. February 2021 - 5. February 2021)
  In: Design, Automation and Test in Europe, DATE 2021 2021
  DOI: 10.23919/date51398.2021.9473952
  BibTeX: Download
• Keszöcze O., Brand M., Witterauf M., Heidorn C., Teich J.:
  Aarith: An Arbitrary Precision Number Library
  ACM/SIGAPP Symposium On Applied Computing (virtual conference, 22. March 2021 - 26. March 2021)
  DOI: 10.1145/3412841.3442085
  BibTeX: Download
• Keszöcze O., Kießling M.:
  Approximate Computing Extensions for the Clash HDL Compiler
  Workshop Methoden und Beschreibungssprachen zur Modellierung und Verifikation von Schaltungen und Systemen (virtuelle Konferenz, 18. March 2021 - 19. March 2021)
  BibTeX: Download
• Schuster A., Heidorn C., Brand M., Keszöcze O., Teich J.:
  Design Space Exploration of Time, Energy, and Error Rate Trade-offs for CNNs using Accuracy-Programmable Instruction Set Processors
  2nd International Workshop on IoT, Edge, and Mobile for Embedded Machine Learning (ITEM) (Virtual Event, 13. September 2021 - 17. September 2021)
  In: Springer, Cham (ed.): Joint European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases (ECML PKDD 2021), Switzerland: 2021
  DOI: 10.1007/978-3-030-93736-2_29
  BibTeX: Download
• Traiola M., Echavarria Gutiérrez JA., Bosio A., Teich J., O'Connor I.:
  Design Space Exploration of Approximation-Based Quadruple Modular Redundancy Circuits
  International Conference On Computer Aided Design (Virtual conference, 1. November 2021 - 4. November 2021)
  In: Proceedings of the International Conference on Computer-Aided Design, ICCAD 2021
  DOI: 10.1109/iccad51958.2021.9643561
  BibTeX: Download

2020

• Brand M., Witterauf M., Bosio A., Teich J.:
  Anytime Floating-Point Addition and Multiplication – Concepts and Implementations
  Conference on Application-specific Systems, Architectures and Processors (ASAP 2020) (Manchester, U.K., 6. July 2020 - 8. July 2020)
  In: Proceedings of the 31st IEEE International Conference on Application-specific Systems, Architectures and Processors 2020
  DOI: 10.1109/ASAP49362.2020.00034
  BibTeX: Download
• Echavarria Gutiérrez JA., Wildermann S., Keszöcze O., Teich J.:
  Probabilistic Error Propagation through Approximated Boolean Networks
  57th Annual Design Automation Conference (DAC) (San Francisco, CA, 19. July 2020 - 23. July 2020)
  In: Proceedings of the 57th Annual Design Automation Conference 2020
  DOI: 10.1109/dac18072.2020.9218536
  BibTeX: Download
• Echavarria Gutiérrez JA., Wildermann S., Khosravi F., Teich J.:
  An Approximate Sequential Multiplier with Segmented Carry Chain and Variable Accuracy
  AxC20: 5th Workshop on Approximate Computing (San Francisco, CA, 19. July 2020 - 24. July 2020)
  BibTeX: Download
• Keszöcze O., König M., Brand M., Teich J.:
  Error Analysis for Loop Programs using Anytime Instructions in Approximate Computing
  Methoden und Beschreibungssprachen zur Modellierung und Verifikation von Schaltungen und Systemen (Stuttgart, 19. March 2020 - 20. March 2020)
  BibTeX: Download
• Traiola M., Echavarria Gutiérrez JA., Bosio A., Teich J., O'Connor I.:
  Design Space Exploration of an Approximation-Based Fully Reliable TMR Alternative
  8th Prague Embedded Systems Workshop (Horoměřice, 6. November 2020 - 7. November 2020)
  Open Access: https://www12.cs.fau.de/downloads/echavarria/pub/Design_Space_Exploration_of_an_Approximation-Based_Fully_Reliable_TMR_Alternative.pdf
  BibTeX: Download
• Wendler A., Keszöcze O.:
  A fast BDD Minimization Framework for Approximate Computing
  Design, Automation and Test in Europe (ALPEXPO, Grenoble, France, 9. March 2020 - 13. March 2020)
  BibTeX: Download

2018

• Echavarria Gutiérrez JA., Schütz K., Becher A., Wildermann S., Teich J.:
  Evaluation of Approximate Computing Techniques for Power Reduction on FPGAs
  AxC18: 3rd Workshop on Approximate Computing (Swissôtel Bremen, 31. May 2018 - 1. June 2018)
  Open Access: https://www12.cs.fau.de/downloads/echavarria/pub/Evaluation_of_Approximate_Computing_Techniques_for_Power_Reduction_on_FPGAs.pdf
  BibTeX: Download
• Echavarria Gutiérrez JA., Schütz K., Becher A., Wildermann S., Teich J.:
  Can Approximate Computing Reduce Power Consumption on FPGAs?
  25th IEEE International Conference on Electronics Circuits and Systems (Bordeaux, 9. December 2018 - 12. December 2018)
  In: Proceedings of IEEE International Conference on Electronics Circuits and Systems 2018
  DOI: 10.1109/icecs.2018.8618062
  BibTeX: Download
• Echavarria Gutiérrez JA., Wildermann S., Teich J.:
  AConFPGA: A Multiple-Output Boolean Function Approximation DSE Technique Targeting FPGAs
  International Conference on Field Programmable Technology (FPT 2018) (Naha, Okinawa, 10. December 2018 - 14. December 2018)
  In: Proceedings of 2018 International Conference on Field Programmable Technology 2018
  DOI: 10.1109/fpt.2018.00065
  BibTeX: Download
• Echavarria Gutiérrez JA., Wildermann S., Teich J.:
  Design Space Exploration of Multi-output Logic Function Approximations
  International Conference On Computer Aided Design (ICCAD 2018) (San Diego, CA, 5. November 2018 - 8. November 2018)
  In: Proceedings of the International Conference On Computer Aided Design 2018
  DOI: 10.1145/3240765.3240795
  BibTeX: Download

2017

• Echavarria Gutiérrez JA., Wildermann S., Potwigin E., Teich J.:
  Efficient Arithmetic Error Rate Calculus for Visibility Reduced Approximate Adders
  In: IEEE Embedded Systems Letters (2017), Article No.: 99
  ISSN: 1943-0663
  DOI: 10.1109/LES.2017.2760922
  BibTeX: Download

2016

• Becher A., Echavarria Gutiérrez JA., Ziener D., Wildermann S., Teich J.:
  A LUT-Based Approximate Adder
  24th Annual IEEE International Symposium on Field-Programmable Custom Computing Machines (FCCM 2016). (Washington DC, 1. May 2016 - 3. May 2016)
  In: Proceedings of the 24th Annual IEEE International Symposium on Field-Programmable Custom Computing Machines 2016
  DOI: 10.1109/FCCM.2016.16
  BibTeX: Download
• Echavarria Gutiérrez JA., Wildermann S., Becher A., Teich J., Ziener D.:
  FAU: Fast and Error-Optimized Approximate Adder Units on LUT-Based FPGAs
  International Conference on Field Programmable Technology (FPT 2016) (Xi'an, 7. December 2016 - 9. December 2016)
  In: Proceedings of 2016 International Conference on Field Programmable Technology 2016
  DOI: 10.1109/FPT.2016.7929536
  BibTeX: Download

2015

• Becher A., Echavarria Gutiérrez JA., Ziener D., Teich J.:
  Approximate Adder Structures on FPGAs
  AxC15: 1st Workshop on Approximate Computing (Paderborn, Germany)
  Open Access: https://www12.cs.fau.de/downloads/echavarria/pub/Approximate_Adder_Structures_on_FPGAs.pdf
  BibTeX: Download