John Carmack muses using a long fiber line as as an L2 cache (opens in new tab)

(tomshardware.com)

8 pointssmallhands1mo ago2 comments

2 comments

The article mentions delay line memory[1] and how the mercury used in them wasn't pleasant. But that's just one kind, there are many different kinds, the referenced Wikipedia article lists many types, including using long metal wires, ultrasonics and indeed optical.

[1]: https://en.wikipedia.org/wiki/Delay-line_memory

smallhandsOP1mo ago

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

j / k navigate · click thread line to collapse

2 comments

magicalhippo1mo ago

[1]: https://en.wikipedia.org/wiki/Delay-line_memory

smallhandsOP1mo ago

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

j / k navigate · click thread line to collapse