Tom's Hardware on MSN

John Carmack muses using a long fiber line as as an L2 cache for streaming AI data — programmer imagines fiber as alternative to DRAM

John Carmack considers fiber as an L2 cache for streaming AI data.

'Consider a system with no DRAM' replaced by a 'recycling fiber loop': John Carmack envisages bold future to avoid AI-driven RAM crisis

A giant loop of fiber — some 200km — that'd mean no need for RAM ...

John Carmack proposes fiber-optic loops as high-speed AI cache

The thought experiment began with a number. Single-mode fiber optics can now transmit data at 256 terabits per second over 200 kilometers. Based on that capacity, ...
Guru3D

John Carmack floats fiber delay-line cache to stream AI weights

John Carmack has a habit of tossing out ideas that sit right on the edge between practical engineering and pure provocation. His latest musing lands squarely in that zone: what if a long loop of ...