Search Results for author: Georgios Zervakis

Found 16 papers, 7 papers with code

TransAxx: Efficient Transformers with Approximate Computing

no code implementations12 Feb 2024 Dimitrios Danopoulos, Georgios Zervakis, Dimitrios Soudris, Jörg Henkel

Vision Transformer (ViT) models which were recently introduced by the transformer architecture have shown to be very competitive and often become a popular alternative to Convolutional Neural Networks (CNNs).

Embedding Hardware Approximations in Discrete Genetic-based Training for Printed MLPs

1 code implementation5 Feb 2024 Florentia Afentaki, Michael Hefenbrock, Georgios Zervakis, Mehdi B. Tahoori

Due to the discrete nature of hardware approximation, we propose and implement a genetic-based, approximate, hardware-aware training approach specifically designed for printed MLPs.

Bespoke Approximation of Multiplication-Accumulation and Activation Targeting Printed Multilayer Perceptrons

1 code implementation29 Dec 2023 Florentia Afentaki, Gurol Saglam, Argyris Kokkinis, Kostas Siozios, Georgios Zervakis, Mehdi B Tahoori

Printed Electronics (PE) feature distinct and remarkable characteristics that make them a prominent technology for achieving true ubiquitous computing.

Hardware-Aware DNN Compression via Diverse Pruning and Mixed-Precision Quantization

no code implementations23 Dec 2023 Konstantinos Balaskas, Andreas Karatzas, Christos Sad, Kostas Siozios, Iraklis Anagnostopoulos, Georgios Zervakis, Jörg Henkel

We explore, for the first time, per-layer fine- and coarse-grained pruning, in the same DNN architecture, in addition to low bit-width mixed-precision quantization for weights and activations.

Quantization Reinforcement Learning (RL)

On-sensor Printed Machine Learning Classification via Bespoke ADC and Decision Tree Co-Design

1 code implementation2 Dec 2023 Giorgos Armeniakos, Paula L. Duarte, Priyanjana Pal, Georgios Zervakis, Mehdi B. Tahoori, Dimitrios Soudris

Printed electronics (PE) technology provides cost-effective hardware with unmet customization, due to their low non-recurring engineering and fabrication costs.

Model-to-Circuit Cross-Approximation For Printed Machine Learning Classifiers

1 code implementation14 Mar 2023 Giorgos Armeniakos, Georgios Zervakis, Dimitrios Soudris, Mehdi B. Tahoori, Jörg Henkel

Printed electronics (PE) promises on-demand fabrication, low non-recurring engineering costs, and sub-cent fabrication costs.

Co-Design of Approximate Multilayer Perceptron for Ultra-Resource Constrained Printed Circuits

1 code implementation28 Feb 2023 Giorgos Armeniakos, Georgios Zervakis, Dimitrios Soudris, Mehdi B. Tahoori, Jörg Henkel

Printed Electronics (PE) exhibits on-demand, extremely low-cost hardware due to its additive manufacturing process, enabling machine learning (ML) applications for domains that feature ultra-low cost, conformity, and non-toxicity requirements that silicon-based systems cannot deliver.

Approximate Computing and the Efficient Machine Learning Expedition

no code implementations2 Oct 2022 Jörg Henkel, Hai Li, Anand Raghunathan, Mehdi B. Tahoori, Swagath Venkataramani, Xiaoxuan Yang, Georgios Zervakis

In this work, we enlighten the synergistic nature of AxC and ML and elucidate the impact of AxC in designing efficient ML systems.

Descriptive

Energy-efficient DNN Inference on Approximate Accelerators Through Formal Property Exploration

no code implementations25 Jul 2022 Ourania Spantidi, Georgios Zervakis, Iraklis Anagnostopoulos, Jörg Henkel

Deep Neural Networks (DNNs) are being heavily utilized in modern applications and are putting energy-constraint devices to the test.

Hardware Approximate Techniques for Deep Neural Network Accelerators: A Survey

no code implementations16 Mar 2022 Giorgos Armeniakos, Georgios Zervakis, Dimitrios Soudris, Jörg Henkel

To enable efficient execution of DNN inference, more and more research works, therefore, exploit the inherent error resilience of DNNs and employ Approximate Computing (AC) principles to address the elevated energy demands of DNN accelerators.

Approximate Decision Trees For Machine Learning Classification on Tiny Printed Circuits

no code implementations15 Mar 2022 Konstantinos Balaskas, Georgios Zervakis, Kostas Siozios, Mehdi B. Tahoori, Joerg Henkel

Although Printed Electronics (PE) cannot compete with silicon-based systems in conventional evaluation metrics, e. g., integration density, area and performance, PE offers attractive properties such as on-demand ultra-low-cost fabrication, flexibility and non-toxicity.

BIG-bench Machine Learning

Cross-Layer Approximation For Printed Machine Learning Circuits

1 code implementation11 Mar 2022 Giorgos Armeniakos, Georgios Zervakis, Dimitrios Soudris, Mehdi B. Tahoori, Jörg Henkel

In our extensive experimental evaluation we consider 14 MLPs and SVMs and evaluate more than 4300 approximate and exact designs.

BIG-bench Machine Learning

AdaPT: Fast Emulation of Approximate DNN Accelerators in PyTorch

1 code implementation8 Mar 2022 Dimitrios Danopoulos, Georgios Zervakis, Kostas Siozios, Dimitrios Soudris, Jörg Henkel

Current state-of-the-art employs approximate multipliers to address the highly increased power demands of DNN accelerators.

Positive/Negative Approximate Multipliers for DNN Accelerators

no code implementations20 Jul 2021 Ourania Spantidi, Georgios Zervakis, Iraklis Anagnostopoulos, Hussam Amrouch, Jörg Henkel

In addition, we propose a filter-oriented approximation method to map the weights to the appropriate modes of the approximate multiplier.

Control Variate Approximation for DNN Accelerators

no code implementations18 Feb 2021 Georgios Zervakis, Ourania Spantidi, Iraklis Anagnostopoulos, Hussam Amrouch, Jörg Henkel

In this work, we introduce a control variate approximation technique for low error approximate Deep Neural Network (DNN) accelerators.

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