--- Log opened Sat Jul 20 00:00:15 2019
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06:11 < nsh> .title http://news.mit.edu/2019/ai-chip-light-computing-faster-0605
06:11 < yoleaux> Chip design drastically reduces energy needed to compute with light | MIT News
06:11 < nsh> -> https://journals.aps.org/prx/abstract/10.1103/PhysRevX.9.021032
06:11 < nsh> --
06:11 < nsh> . This paper presents a new type of photonic accelerator based on coherent detection that is scalable to large (N≳106) networks and can be operated at high (gigahertz) speeds and very low (subattojoule) energies per multiply and accumulate (MAC), using the massive spatial multiplexing enabled by standard free-space optical components. In contrast to previous approaches, both weights and inputs are optically encoded so that the network can b
06:11 < nsh> e reprogrammed and trained on the fly.
06:11 < nsh> Simulations of the network using models for digit and image classification reveal a “standard quantum limit” for optical neural networks, set by photodetector shot noise. This bound, which can be as low as 50  zJ/MAC, suggests that performance below the thermodynamic (Landauer) limit for digital irreversible computation is theoretically possible in this device. The proposed accelerator can implement both fully connected and convolutional ne
06:11 < nsh> tworks. We also present a scheme for backpropagation and training that can be performed in the same hardware. This architecture will enable a new class of ultralow-energy processors for deep learning.
06:11 < nsh> --
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06:41 < kanzure> yeah i have not been keeping up with the optical computer stuff lately.
06:41 < kanzure> apparently that's what the andregg brothers are doing after halcyon molecular implosion
06:44 < kanzure> .title https://www.youtube.com/watch?v=NadhhH_eQBQ
06:44 < yoleaux> 'Comments and Observations about Timelocks and VDFs' by Ron Rivest of MIT. VDF Day '19 - YouTube
07:22 < gnusha> https://secure.diyhpl.us/cgit/diyhpluswiki/commit/?id=f70a8dec Bryan Bishop: transcript: verifiable delay functions >> http://diyhpl.us/diyhpluswiki/transcripts/verifiable-delay-functions/vdf-day-2019/dan-boneh/
07:28 < gnusha> https://secure.diyhpl.us/cgit/diyhpluswiki/commit/?id=4756e652 Bryan Bishop: more text >> http://diyhpl.us/diyhpluswiki/transcripts/verifiable-delay-functions/vdf-day-2019/dan-boneh/
07:31 < superkuh> I don't know about optical but I've been on a passive planar RF logic elements kick as of late.
07:32 < superkuh> Totally infeasible for anything productive, but it's fun.
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10:26 < kanzure> one of the andregg brothers started following me on twitter. right after i invoked their name today?
10:29 < kanzure> "A survey of two verifiable delay functions" https://eprint.iacr.org/2018/712
10:29 < kanzure> "Brief note: Asynchronous verifiable secret sharing with optimal resilience and linear amortized overhead" https://arxiv.org/abs/1902.06095
11:40 < nsh> is it possible/feasible to DIY culture your own spray-on skin?
11:40 < nsh> hmm, maybe it's not that great after all
11:46 < kanzure> you can inject PEI and whatever else with some genetic modifications... all the cool kids are doing it..
11:53 < nsh> .title https://phys.org/news/2019-07-breakthrough-material-cheaper-widespread-solar.html
11:53 < yoleaux> nsh: Sorry, that doesn't appear to be an HTML page.
11:54 < nsh> -> https://phys.org/news/2019-07-breakthrough-material-cheaper-widespread-solar.html
11:54 < nsh> argh: https://pubs.acs.org/doi/10.1021/jacs.9b05893
11:54 < nsh> i should use a windowing manager that doesn't routinely fail to copypaste due to lag
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12:43 < heath> not seeing the Neuralink Launch Event linked here, so here it is: Neuralink Launch Event
12:43 < heath> https://www.youtube.com/watch?v=r-vbh3t7WVI
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16:55 < kanzure> https://twitter.com/apollo_50th
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17:56 < fenn> https://www.economist.com/briefing/2019/07/18/attacking-satellites-is-increasingly-attractive-and-dangerous
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18:38 < kanzure> what's the one that eats other satellites and then lands
18:47 < fenn> X-37B, though that is my speculation
18:47 < fenn> russia says it's a "weapons delivery platform" but i don't see how that makes any sense
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20:47 < jrayhawk> the space shuttle specifications seemed pretty nonsensical unless it was to eat satellites
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--- Log closed Sun Jul 21 00:00:16 2019