CapoCaccia 2015 May 8 th Memristive nanodevices synapses: let’s 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
Transcript
Slide 1
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
Slide 2
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
Slide 3
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