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content/neuromorphic-computing/student-talks/legendre-snn-on-loihi-2/index.md

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@@ -17,29 +17,10 @@ for Time Series Classification (TSC). Reservoir Computing is a well-established
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processing where a reservoir of statically (and recurrently) connected neurons compute high
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dimensional temporal features, over which a linear readout layer learns the mapping to the output.'
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---
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In his recent work [1], Ram designed the Legendre-SNN (LSNN), a simple - yet high performing SNN model
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(for univariate TSC) where he has used the Legendre Delay Network (LDN) [2] as a non-spiking reservoir
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(in fact, the LDN in LSNN is implemented with just basic matrix-operations). In a subsequent work
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(currently under review), he extended his LSNN to DeepLSNN that accounts for multivariate time-series
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signals too; upon experimenting with it, he found that DeepLSNN models outperform a popular (and
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complex) LSTM-Conv integrated model [3] on more than 30% of 101 TSC datasets. His latest work is on
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the evaluation of Legendre-SNN on the Loihi-2 chip [4] — on which this talk is focused at.
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Legendre-SNN is composed of a non-spiking LDN followed by one spiking hidden layer and an output
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layer. The Loihi-2 chip has got two On-chip computational resources: low-power x86 Lakemont (LMT)
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microprocessors (total 6) and NeuroCores (total 128). The LMT cores support only INT32-bit operations
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and NeuroCores support deployment of spiking networks. With minimal documentation to program the
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LMT cores, the challenge was -- how to deploy the Legendre-SNN in its entirety (and evaluate it) on a
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Loihi-2 chip. In this talk, Ram will present the technical specifics of implementing the non-spiking LDN on
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an LMT core (the spiking network post the LDN is deployed on NeuroCores). His work: “Legendre-SNN
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on Loihi-2” [4] adds to the scarce technical-documentation to program LMT cores and presents a pipeline
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to deploy an SNN model composed of non-spiking & spiking components -- entirely on Loihi-2.
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In his recent work [1], Ram designed the Legendre-SNN (LSNN), a simple - yet high performing SNN model (for univariate TSC) where he has used the Legendre Delay Network (LDN) [2] as a non-spiking reservoir (in fact, the LDN in LSNN is implemented with just basic matrix-operations). In a subsequent work (currently under review), he extended his LSNN to DeepLSNN that accounts for multivariate time-series signals too; upon experimenting with it, he found that DeepLSNN models outperform a popular (and complex) LSTM-Conv integrated model [3] on more than 30% of 101 TSC datasets. His latest work is on the evaluation of Legendre-SNN on the Loihi-2 chip [4] — on which this talk is focused at.
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Legendre-SNN is composed of a non-spiking LDN followed by one spiking hidden layer and an output layer. The Loihi-2 chip has got two On-chip computational resources: low-power x86 Lakemont (LMT) microprocessors (total 6) and NeuroCores (total 128). The LMT cores support only INT32-bit operations and NeuroCores support deployment of spiking networks. With minimal documentation to program the LMT cores, the challenge was -- how to deploy the Legendre-SNN in its entirety (and evaluate it) on a Loihi-2 chip. In this talk, Ram will present the technical specifics of implementing the non-spiking LDN on an LMT core (the spiking network post the LDN is deployed on NeuroCores). His work: “Legendre-SNN on Loihi-2” [4] adds to the scarce technical-documentation to program LMT cores and presents a pipeline to deploy an SNN model composed of non-spiking & spiking components -- entirely on Loihi-2.
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References:
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[1]: Gaurav, Ramashish, Terrence C. Stewart, and Yang Yi. "Reservoir based spiking models for univariate Time Series
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Classification." Frontiers in Computational Neuroscience 17 (2023): 1148284.
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[2]: Voelker, Aaron R., and Chris Eliasmith. "Improving spiking dynamical networks: Accurate delays, higher-order synapses,
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and time cells." Neural computation 30.3 (2018): 569-609.
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[1]: Gaurav, Ramashish, Terrence C. Stewart, and Yang Yi. "Reservoir based spiking models for univariate Time Series Classification." Frontiers in Computational Neuroscience 17 (2023): 1148284.
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[2]: Voelker, Aaron R., and Chris Eliasmith. "Improving spiking dynamical networks: Accurate delays, higher-order synapses, and time cells." Neural computation 30.3 (2018): 569-609.
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[3]: Karim, Fazle, et al. "LSTM fully convolutional networks for time series classification." IEEE access 6 (2017): 1662-1669.
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[4]: Gaurav, Ramashish, Terrence C. Stewart, and Yang Yi. "Legendre-SNN on Loihi-2: Evaluation and Insights." NeurIPS 2024
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Workshop Machine Learning with new Compute Paradigms.
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[4]: Gaurav, Ramashish, Terrence C. Stewart, and Yang Yi. "Legendre-SNN on Loihi-2: Evaluation and Insights." NeurIPS 2024 Workshop Machine Learning with new Compute Paradigms.

layouts/neuromorphic-computing/list.html

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{{ define "main" }}
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{{ partial "components/content-contribute-cta.html" (dict
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"icon" "solid brain"
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"title" "Join the <span class=\"gradient-text\">Conversation</span>"
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"description" "The Open Neuromorphic community thrives on collaboration. Join our Discord, attend an event, or contribute to a project to help push the boundaries of brain-inspired computing."
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"link" "/getting-involved/"
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"link_text" "Find Your Place in Our Community"
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) }}
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{{/* Display the main content of the _index.md page */}}
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"title" "Join the <span class=\"gradient-text\">Conversation</span>"
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"description" "The Open Neuromorphic community thrives on collaboration. Join our Discord, attend an event, or contribute to a project to help push the boundaries of brain-inspired computing."
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"title" "Help Us <span class=\"gradient-text\">Improve this Guide</span>"
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"description" "Our hardware guide is community-maintained. If you know of a chip we should add, see an error, or have updated information, please let us know by opening an issue on our GitHub repository."
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"link" "https://github.com/open-neuromorphic/open-neuromorphic.github.io/issues/new/choose"
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"link_text" "Suggest an Edit on GitHub"
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