no code implementations • 27 Mar 2024 • Yizhang Xia, Shihao Song, Zhanglu Hou, Junwen Xu, Juan Zou, YuAn Liu, Shengxiang Yang
To automatically adapt to various datasets, the ENAS framework is designed to automatically search a MHGR network with appropriate fusion positions and ratios.
no code implementations • 10 Mar 2022 • Shihao Song, Adarsha Balaji, Anup Das, Nagarajan Kandasamy
First, on the technology front, we propose an optimization scheme where the NVM resistance state that takes the longest time to sense is set on current paths having the least delay, and vice versa, reducing the average PE latency, which improves the QoS.
no code implementations • 27 Jan 2022 • Ankita Paul, Shihao Song, Twisha Titirsha, Anup Das
Our analysis show both a strong dependency on model characteristics such as synaptic activation and criticality, and on the voltage used to read resistance states during inference.
no code implementations • 15 Oct 2021 • Ankita Paul, Shihao Song, Anup Das
We present a design-technology tradeoff analysis in implementing machine-learning inference on the processing cores of a Non-Volatile Memory (NVM)-based many-core neuromorphic hardware.
no code implementations • 27 Aug 2021 • Shihao Song, M. Lakshmi Varshika, Anup Das, Nagarajan Kandasamy
We propose an SDFG-based design flow for mapping spiking neural networks (SNNs) to many-core neuromorphic hardware with the objective of exploring the tradeoff between throughput and buffer size.
no code implementations • 4 Aug 2021 • Shihao Song, Harry Chong, Adarsha Balaji, Anup Das, James Shackleford, Nagarajan Kandasamy
We propose DFSynthesizer, an end-to-end framework for synthesizing SNN-based machine learning programs to neuromorphic hardware.
no code implementations • 16 Jun 2021 • Shihao Song, Twisha Titirsha, Anup Das
We propose an architectural solution to extend the read endurance of RRAM-based neuromorphic systems.
no code implementations • 5 May 2021 • Shihao Song, Jui Hanamshet, Adarsha Balaji, Anup Das, Jeffrey L. Krichmar, Nikil D. Dutt, Nagarajan Kandasamy, Francky Catthoor
We propose a new architectural technique to mitigate the aging-related reliability problems in neuromorphic systems, by designing an intelligent run-time manager (NCRTM), which dynamically destresses neuron and synapse circuits in response to the short-term aging in their CMOS transistors during the execution of machine learning workloads, with the objective of meeting a reliability target.
no code implementations • 4 May 2021 • Adarsha Balaji, Shihao Song, Twisha Titirsha, Anup Das, Jeffrey Krichmar, Nikil Dutt, James Shackleford, Nagarajan Kandasamy, Francky Catthoor
Recently, both industry and academia have proposed many different neuromorphic architectures to execute applications that are designed with Spiking Neural Network (SNN).
no code implementations • 22 Mar 2021 • Twisha Titirsha, Shihao Song, Adarsha Balaji, Anup Das
Based on such formulation, we first evaluate the role of a system software in managing the energy consumption of neuromorphic systems.
no code implementations • 9 Mar 2021 • Twisha Titirsha, Shihao Song, Anup Das, Jeffrey Krichmar, Nikil Dutt, Nagarajan Kandasamy, Francky Catthoor
We propose eSpine, a novel technique to improve lifetime by incorporating the endurance variation within each crossbar in mapping machine learning workloads, ensuring that synapses with higher activation are always implemented on memristors with higher endurance, and vice versa.
no code implementations • 19 Sep 2020 • Adarsha Balaji, Shihao Song, Anup Das, Jeffrey Krichmar, Nikil Dutt, James Shackleford, Nagarajan Kandasamy, Francky Catthoor
With growing model complexity, mapping Spiking Neural Network (SNN)-based applications to tile-based neuromorphic hardware is becoming increasingly challenging.
no code implementations • 4 Jul 2020 • Shihao Song, Anup Das
Neuromorphic computing with non-volatile memory (NVM) can significantly improve performance and lower energy consumption of machine learning tasks implemented using spike-based computations and bio-inspired learning algorithms.
no code implementations • 10 Jun 2020 • Shihao Song, Anup Das, Nagarajan Kandasamy
We evaluate RENEU using different machine learning applications on a state-of-the-art neuromorphic hardware with NVM synapses.
1 code implementation • 7 Apr 2020 • Shihao Song, Adarsha Balaji, Anup Das, Nagarajan Kandasamy, James Shackleford
First, we propose a greedy technique to partition an SNN into clusters of neurons and synapses such that each cluster can fit on to the resources of a crossbar.
no code implementations • 1 Nov 2019 • Adarsha Balaji, Shihao Song, Anup Das, Nikil Dutt, Jeff Krichmar, Nagarajan Kandasamy, Francky Catthoor
Our framework first extracts the precise times at which a charge pump in the hardware is activated to support neural computations within a workload.