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CapoCaccia 2015 May 8 th Memristive nanodevices synapses: lets build an intelligent memory! Workgroup Members: Christopher Bennett, Damir Vodenicarevic, Sergio Solinas, Qian Liu, Fabien Alibart Workgroup Leader: Selina La Barbera CapoCaccia WorkShop 2015 MEM WorkGroup CapoCaccia WorkShop 2015 MEM WorkGroup

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Real-time forming of dendritic filaments From Experimetal results Noisy Inputs Spikes Patterns Output Spikes Patterns & Modeling results validation STP LTP STP LTP transition CapoCaccia 2015 May 8 th To Spike-base memristive dynamic systems for Features ExtractionCC2015 MEM Workgroup B) architecture approachA) architecture approach EPSP response by a train of presynaptic APs 1.Convoluted signature 2.Simple signature Reservoir Computing Random recurrent network 1.MNIST Digits 2.Audio Sensors data musical notes by Silicon Cochlea 3.Visual Sensors data by DVS Objectives CapoCaccia WorkShop 2015 MEM WorkGroup CapoCaccia WorkShop 2015 MEM WorkGroup

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CapoCaccia 2015 May 8 th MEM Workgroup RESULTS MNIST digits ~ 60% MEM Workgroup RESULTS MNIST digits ~ 60% MLP 1 hidden layer A) Random Reservoir ApproachB) Xbar Reservoir Approach Simple signature Convoluted signature Training step Testing step [ex. 1] [ex. 2] [ex. 3] Set weights Result Vector 1: 97% 2:2% 9:8% 0:15% Conditioning DEMO

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