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Phone Websites Visitor's Address |
zahra.ebrahimi_mamaghani(at-sign symbol)tu-dresden.de +49 351 463-40819 Helmholtzstrasse 18, BAR-III77 |
Zahra obtained her B.Sc. and M.Sc. degrees from Sharif University of Technology in Iran, where she also worked as a researcher in Data Storage, Networks, & Processing (DSN) LAB. From 2018 to 2024, she worked in Cfaed (as a Wissenschaftliche Mitarbeiterin and a PhD research associate) on the DFG-granted project "ReAp: Run-time Reconfigurable Approximate Architecture" and the ESF-granted project "Re-Learning: Self-Learning and Flexible Electronics Through Inherent Component Reconfiguration". Since 2023, she is also the manager of her own BMBF-granted project in collaboration with HUAWEI "X-DNet: Energy-Efficient Distributed and In-Network Computing via Approximation of Applications and Accelerators". Zahra has joined the chair of Embedded System at Ruhr-Universität Bochum in April 2024 (personal page). Her research interests include approximate computing, reconfigurable accelerator design, embedded systems, SW/HW co-design, and energy-efficiency in edge to cloud continuum.
These subjects are based on our current publications which will be extended for journal submissions in few months (Projects are adaptable depending on the level).
Federated Learning and Distributed Inference are key enablers for real-time processing in 5G/6G era. To enable such compute-intensive workload at the edge, the structure of NNs should be optimized without compromising the final quality of results. In this context, Approximate Computing techniques have shown to provide highly beneficial solutions by exploiting the inherent error resiliency of ML applications. Considering such potentials, the main idea in this project is to apply various approximations, efficiently, to reduce the area/power/energy of NNs and boost their performance.
Required skills
- FPGA development and programming: Verilog or VHDL, C++, and Python
- High-Level-Synthesis: Vivado and Vitis HLS
- ML: Tensorflow and/or PyTorch, able to change the structure of NN models (apply various techniques e.g., quantization)
- High Motivation :)
Approximate CGRA for Bio-Signal Processing (ISCAS 2021)
Approximate SIMD Multiplier-Divider (GLSVLSI 2020)
Power-Efficient Hard Logic Design for FPGAs (TC 2017)
Publications
2024
- 9. Zahra Ebrahimi, Akash Kumar, "GREEN: An Approximate SIMD/MIMD CGRA for Energy-Efficient ProcessiNg at the Edge", In IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, Institute of Electrical and Electronics Engineers (IEEE), pp. 1–1, 2024. [doi] [Bibtex & Downloads]
GREEN: An Approximate SIMD/MIMD CGRA for Energy-Efficient ProcessiNg at the Edge
Reference
Zahra Ebrahimi, Akash Kumar, "GREEN: An Approximate SIMD/MIMD CGRA for Energy-Efficient ProcessiNg at the Edge", In IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, Institute of Electrical and Electronics Engineers (IEEE), pp. 1–1, 2024. [doi]
Bibtex
@article{Ebrahimi_2024, title={GREEN: An Approximate SIMD/MIMD CGRA for Energy-Efficient ProcessiNg at the Edge}, ISSN={1937-4151}, url={http://dx.doi.org/10.1109/TCAD.2024.3383349}, DOI={10.1109/tcad.2024.3383349}, journal={IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems}, publisher={Institute of Electrical and Electronics Engineers (IEEE)}, author={Ebrahimi, Zahra and Kumar, Akash}, year={2024}, pages={1–1} }Downloads
GREEN_TCAD3383349_camera-ready [PDF]
Permalink
2023
- 8. Zahra Ebrahimi, Muhammad Zaid, Mark Wijtvliet, Akash Kumar, "RAPID: Approximate Pipelined Soft Multipliers and Dividers for High Throughput and Energy Efficiency", In IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, Institute of Electrical and Electronics Engineers (IEEE), vol. 42, no. 3, pp. 712–725, Mar 2023. [doi] [Bibtex & Downloads]
RAPID: Approximate Pipelined Soft Multipliers and Dividers for High Throughput and Energy Efficiency
Reference
Zahra Ebrahimi, Muhammad Zaid, Mark Wijtvliet, Akash Kumar, "RAPID: Approximate Pipelined Soft Multipliers and Dividers for High Throughput and Energy Efficiency", In IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, Institute of Electrical and Electronics Engineers (IEEE), vol. 42, no. 3, pp. 712–725, Mar 2023. [doi]
Bibtex
@article{Ebrahimi_2023,
doi = {10.1109/tcad.2022.3184928},
url = {https://doi.org/10.1109%2Ftcad.2022.3184928},
year = 2023,
month = {mar},
publisher = {Institute of Electrical and Electronics Engineers ({IEEE})},
volume = {42},
number = {3},
pages = {712--725},
author = {Zahra Ebrahimi and Muhammad Zaid and Mark Wijtvliet and Akash Kumar},
title = {{RAPID}: Approximate Pipelined Soft Multipliers and Dividers for High Throughput and Energy Efficiency},
journal = {{IEEE} Transactions on Computer-Aided Design of Integrated Circuits and Systems}
}Downloads
TCAD_RAPID_long_version [PDF]
Permalink
2022
- 7. Zahra Ebrahimi, Dennis Klar, Mohammad Aasim Ekhtiyar, Akash Kumar, "Plasticine: A Cross-layer Approximation Methodology for Multi-kernel Applications through Minimally Biased, High-throughput, and Energy-efficient SIMD Soft Multiplier-divider" (to appear), In ACM Transactions on Design Automation of Electronic Systems, Association for Computing Machinery (ACM), vol. 27, no. 2, pp. 1–33, Mar 2022. [doi] [Bibtex & Downloads]
Plasticine: A Cross-layer Approximation Methodology for Multi-kernel Applications through Minimally Biased, High-throughput, and Energy-efficient SIMD Soft Multiplier-divider
Reference
Zahra Ebrahimi, Dennis Klar, Mohammad Aasim Ekhtiyar, Akash Kumar, "Plasticine: A Cross-layer Approximation Methodology for Multi-kernel Applications through Minimally Biased, High-throughput, and Energy-efficient SIMD Soft Multiplier-divider" (to appear), In ACM Transactions on Design Automation of Electronic Systems, Association for Computing Machinery (ACM), vol. 27, no. 2, pp. 1–33, Mar 2022. [doi]
Bibtex
@article{Ebrahimi_2022,
doi = {10.1145/3486616},
url = {https://doi.org/10.1145%2F3486616},
year = 2022,
month = {mar},
publisher = {Association for Computing Machinery ({ACM})},
volume = {27},
number = {2},
pages = {1--33},
author = {Zahra Ebrahimi and Dennis Klar and Mohammad Aasim Ekhtiyar and Akash Kumar},
title = {Plasticine: A Cross-layer Approximation Methodology for Multi-kernel Applications through Minimally Biased, High-throughput, and Energy-efficient {SIMD} Soft Multiplier-divider},
journal = {{ACM} Transactions on Design Automation of Electronic Systems}
}Downloads
zahra_plasticine_todaes [PDF]
Related Paths
other
Permalink
2021
- 6. Zahra Ebrahimi, Akash Kumar, "BioCare: An Energy-Efficient CGRA for Bio-Signal Processing at the Edge", In Proceeding: 2021 IEEE International Symposium on Circuits and Systems (ISCAS), IEEE, May 2021. [doi] [Bibtex & Downloads]
BioCare: An Energy-Efficient CGRA for Bio-Signal Processing at the Edge
Reference
Zahra Ebrahimi, Akash Kumar, "BioCare: An Energy-Efficient CGRA for Bio-Signal Processing at the Edge", In Proceeding: 2021 IEEE International Symposium on Circuits and Systems (ISCAS), IEEE, May 2021. [doi]
Bibtex
@inproceedings{Ebrahimi_2021,
doi = {10.1109/iscas51556.2021.9401461},
url = {https://doi.org/10.1109%2Fiscas51556.2021.9401461},
year = 2021,
month = {may},
publisher = ,
author = {Zahra Ebrahimi and Akash Kumar},
title = {{BioCare}: An Energy-Efficient {CGRA} for Bio-Signal Processing at the Edge},
booktitle = {2021 {IEEE} International Symposium on Circuits and Systems ({ISCAS})}
}Downloads
ISCAS_BioCare_2021 [PDF]
Permalink
2020
- 5. Zahra Ebrahimi, Salim Ullah, Akash Kumar, "SIMDive: Approximate SIMD Soft Multiplier-Divider for FPGAs with Tunable Accuracy", Proceedings of the 2020 on Great Lakes Symposium on VLSI, ACM, Sep 2020. [doi] [Bibtex & Downloads]
SIMDive: Approximate SIMD Soft Multiplier-Divider for FPGAs with Tunable Accuracy
Reference
Zahra Ebrahimi, Salim Ullah, Akash Kumar, "SIMDive: Approximate SIMD Soft Multiplier-Divider for FPGAs with Tunable Accuracy", Proceedings of the 2020 on Great Lakes Symposium on VLSI, ACM, Sep 2020. [doi]
Bibtex
@inproceedings{Ebrahimi_2020,
doi = {10.1145/3386263.3406907},
url = {https://doi.org/10.1145%2F3386263.3406907},
year = 2020,
month = {sep},
publisher = ,
author = {Zahra Ebrahimi and Salim Ullah and Akash Kumar},
title = {{SIMDive}: Approximate {SIMD} Soft Multiplier-Divider for {FPGAs} with Tunable Accuracy},
booktitle = {Proceedings of the 2020 on Great Lakes Symposium on {VLSI}}
}Downloads
SIMDive_GLSVLSI_2020 [PDF]
Related Paths
Permalink
- 4. Zahra Ebrahimi, Salim Ullah, Akash Kumar, "LeAp: Leading-one Detection-based Softcore Approximate Multipliers with Tunable Accuracy", In Proceeding: 2020 25th Asia and South Pacific Design Automation Conference (ASP-DAC), IEEE, Jan 2020. [doi] [Bibtex & Downloads]
LeAp: Leading-one Detection-based Softcore Approximate Multipliers with Tunable Accuracy
Reference
Zahra Ebrahimi, Salim Ullah, Akash Kumar, "LeAp: Leading-one Detection-based Softcore Approximate Multipliers with Tunable Accuracy", In Proceeding: 2020 25th Asia and South Pacific Design Automation Conference (ASP-DAC), IEEE, Jan 2020. [doi]
Bibtex
@inproceedings{Ebrahimi_2020,
doi = {10.1109/asp-dac47756.2020.9045171},
url = {https://doi.org/10.1109%2Fasp-dac47756.2020.9045171},
year = 2020,
month = {jan},
publisher = ,
author = {Zahra Ebrahimi and Salim Ullah and Akash Kumar},
title = {{LeAp}: Leading-one Detection-based Softcore Approximate Multipliers with Tunable Accuracy},
booktitle = {2020 25th Asia and South Pacific Design Automation Conference ({ASP}-{DAC})}
}Downloads
LeAp- [PDF]
Permalink
2018
- 3. Sajjad Tamimi, Zahra Ebrahimi, Behnam Khaleghi, Hossein Asadi, "An Efficient SRAM-Based Reconfigurable Architecture for Embedded Processors", In IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, vol. 38, no. 3, pp. 466–479, Sep 2018. [doi] [Bibtex & Downloads]
An Efficient SRAM-Based Reconfigurable Architecture for Embedded Processors
Reference
Sajjad Tamimi, Zahra Ebrahimi, Behnam Khaleghi, Hossein Asadi, "An Efficient SRAM-Based Reconfigurable Architecture for Embedded Processors", In IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, vol. 38, no. 3, pp. 466–479, Sep 2018. [doi]
Bibtex
@article{TCAD_2018,
doi = {10.1109/tcad.2018.2812118},
url = {https://doi.org/10.1109%2Ftcad.2018.2812118},
year = 2018,
month = {sep},
volume = {38},
number = {3},
pages = {466--479},
author = {Sajjad Tamimi and Zahra Ebrahimi and Behnam Khaleghi and Hossein Asadi},
title = {An Efficient {SRAM}-Based Reconfigurable Architecture for Embedded Processors},
journal = {{IEEE} Transactions on Computer-Aided Design of Integrated Circuits and Systems}
}Downloads
No Downloads available for this publication
Permalink
2017
- 2. Zahra Ebrahimi, Behnam Khaleghi, Hossein Asadi, "PEAF: A Power-Efficient Architecture for SRAM-Based FPGAs Using Reconfigurable Hard Logic Design in Dark Silicon Era", In Proceeding: IEEE Transactions on Computers (TC), IEEE, Dec 2017. [doi] [Bibtex & Downloads]
PEAF: A Power-Efficient Architecture for SRAM-Based FPGAs Using Reconfigurable Hard Logic Design in Dark Silicon Era
Reference
Zahra Ebrahimi, Behnam Khaleghi, Hossein Asadi, "PEAF: A Power-Efficient Architecture for SRAM-Based FPGAs Using Reconfigurable Hard Logic Design in Dark Silicon Era", In Proceeding: IEEE Transactions on Computers (TC), IEEE, Dec 2017. [doi]
Bibtex
@inproceedings{TC_2017,
doi = {10.1109/TC.2016.2636141},
url = {https://ieeexplore.ieee.org/abstract/document/7775010},
year = 2017,
month = {dec},
publisher = ,
author = {Zahra Ebrahimi and Behnam Khaleghi and Hossein Asadi},
title = {PEAF: A Power-Efficient Architecture for SRAM-Based FPGAs Using Reconfigurable Hard Logic Design in Dark Silicon Era},
booktitle = {IEEE Transactions on Computers ({TC})}
}Downloads
No Downloads available for this publication
Permalink
2014
- 1. Ali Ahari, Behnam Khaleghi, Zahra Ebrahimi, Hossein Asadi, Mehdi B. Tahoori, "Towards dark silicon era in FPGAs using complementary hard logic design", In Proceeding: 2014 24th International Conference on Field Programmable Logic and Applications (FPL), IEEE, Sep 2014. [doi] [Bibtex & Downloads]
Towards dark silicon era in FPGAs using complementary hard logic design
Reference
Ali Ahari, Behnam Khaleghi, Zahra Ebrahimi, Hossein Asadi, Mehdi B. Tahoori, "Towards dark silicon era in FPGAs using complementary hard logic design", In Proceeding: 2014 24th International Conference on Field Programmable Logic and Applications (FPL), IEEE, Sep 2014. [doi]
Bibtex
@inproceedings{Ahari_2014,
doi = {10.1109/fpl.2014.6927504},
url = {https://doi.org/10.1109%2Ffpl.2014.6927504},
year = 2014,
month = {sep},
publisher = ,
author = {Ali Ahari and Behnam Khaleghi and Zahra Ebrahimi and Hossein Asadi and Mehdi B. Tahoori},
title = {Towards dark silicon era in {FPGAs} using complementary hard logic design},
booktitle = {2014 24th International Conference on Field Programmable Logic and Applications ({FPL})}
}Downloads
No Downloads available for this publication
Permalink
PATENT
Hossein Asadi, Zahra Ebrahimi, and Behnam Khaleghi, ”Programmable Logic Design”, US Provisional Patent, US10312918B2, 2017 (Renewed 2019).
BOOK
Zeinab Seifoori, Zahra Ebrahimi, Behnam Khaleghi, and Hossein Asadi. Introduction to emerging SRAM-based FPGA Architectures in Dark Silicon Era. In Advances in Computers, vol. 110, Elsevier, 2018.