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Non-binary DDR5 memory could be a game-changer for businesses everywhere

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Re: Non-binary DDR5 memory could be a game-changer for businesses everywhere

#4

Post by timerol »

This is a short article about allowing RAM sizes that aren't powers of 2, like 24 GB or 48 GB instead of just the steps 8 GB, 16 GB, 32 GB. I initially thought this was going to be about using multiple states on the data pins to encode more bits per clock.

Re: Non-binary DDR5 memory could be a game-changer for businesses everywhere

#7

Post by formerly_proven »

timerol wrote: post #4

This is a short article about allowing RAM sizes that aren't powers of 2, like 24 GB or 48 GB instead of just the steps 8 GB, 16 GB, 32 GB. I initially thought this was going to be about using multiple states on the data pins to encode more bits per clock.

GDDR6X uses PAM-4 - I think it's the first memory technology to do so.

Re: Non-binary DDR5 memory could be a game-changer for businesses everywhere

#9

Post by nine_k »

moloch-hai wrote: post #6

Here I was, hoping for ternary RAM: 1/0/-1. Didn't Burroughs field a ternary machine, once?

Ternary is fun but hard to integrate with existing systems.

The headline made me think about storing two bits per cell, like MLC flash does, with 4 levels of charge instead if 2.

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