Differences between emulator and chip learning

nengo / nengo-loihi

Run Nengo models on Intel's Loihi chip

https://www.nengo.ai/nengo-loihi/

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Open hunse opened 5 years ago

hunse commented 5 years ago

The emulator and chip still differ on their learning.

[ ] test_pes_comm_channel has differences between emulator and chip, and these differences are not consistent between different numbers of neurons and dimensions. Look more into how differences vary with these parameters.
[ ] test_pes_error_clip has significantly different error rates for the chip versus the emulator. Does this have to do with differences in clipping, specifically, or with more general differences in learning?

hunse commented 5 years ago

Possible reasons for these differences: https://gitter.im/nengo/loihi-167

arvoelke commented 5 years ago

Possible reasons for these differences: https://gitter.im/nengo/loihi-167

FYI, this link gives me a 404, even when signed in and giving authorization. Can you copy/summarize here?