Home Update Hot Chips 2020 Live Blog: Silicon Photonics for AI (6:00pm…

Hot Chips 2020 Live Blog: Silicon Photonics for AI (6:00pm…

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08:44PM EDT – single absolutely synchronous pipeline scehduler

08:43PM EDT – SRAM for weights and activations

08:43PM EDT – Analog interfaces to Photoics

08:43PM EDT – mm2

08:43PM EDT – Mars SoC 14nm customized ASIC

08:42PM EDT – yield very nicely

08:42PM EDT – 150mm2

08:42PM EDT – 90nm GloFo normal photonics course of

08:42PM EDT – 50mW laser

08:42PM EDT – 1 GHz vector charge – set my knowledge conversions

08:42PM EDT – like fiber optics

08:42PM EDT – optics in several colours and many others

08:41PM EDT – Each factor can take a number of knowledge factors – parallel processing

08:40PM EDT – three orders of magnitudes of order sooner than electronics

08:40PM EDT – Limit is pushing the weights into the array

08:40PM EDT – 64 DAC and 64 ADC = 4096 MACs

08:39PM EDT – energy scales with sqrt(space)

08:39PM EDT – Performance scales with space

08:39PM EDT – High pace knowledge photonics on the edge

08:39PM EDT – limitation is surrounding electronics

08:39PM EDT – 1000s MACs per 100ps

08:38PM EDT – 1000×1000 or bigger

08:38PM EDT – Build giant matrix vector constructions

08:38PM EDT – Array of MZIs

08:38PM EDT – At pace of sunshine, virtually zero energy

08:38PM EDT – 2×2 matrix multiplied by a 1×2 vector

08:37PM EDT – Directional couplers

08:37PM EDT – Optical Vector MAC

08:36PM EDT – Cdyn is tremendous low

08:36PM EDT – droop in air throughout manufacture and etch below it

08:36PM EDT – impact the refractive index

08:36PM EDT – Mars makes use of a mechanical resolution

08:35PM EDT – Run at 100s of MHz vs 10s of kHz

08:35PM EDT – Mars makes use of Nano Optical Electro Mechanical System NOEMS

08:35PM EDT – Many methods to construct part shifters

08:35PM EDT – impartial of course of, voltage

08:34PM EDT – near-zero

08:34PM EDT – No elementary vitality required

08:34PM EDT – Interference creates a multiplier

08:34PM EDT – Mach Zehnder Interferometer

08:34PM EDT – MZI part shift interference detection

08:33PM EDT – 10s of watts to single digit microwatts

08:33PM EDT – Free from RC time constants

08:33PM EDT – 10s watts for knowledge transport – free with optics

08:32PM EDT – Takes about the identical space

08:32PM EDT – Single MAC at microwatt in photonics vs a milliwatt in electronics

08:32PM EDT – 1000x sooner than electronics at 10x pace with 1000x les pwoer for a similar die space

08:32PM EDT – Perform computation within the optical area, even in parallel

08:31PM EDT – Optical transport

08:31PM EDT – Using normal CMOS

08:31PM EDT – a brand new hw method is required

08:31PM EDT – Workloads develop out to datacenter scales

08:29PM EDT – multi-chip resolution

08:29PM EDT – Lightmatter Mars

08:29PM EDT – A brand new sort of pc

08:28PM EDT – Lightmatter builders silicon photonics based mostly AI methods



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