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Memory has grown to nearly two-thirds of AI chip component costs

epoch.ai

171–180 of 524 posts

Re: Memory has grown to nearly two-thirds of AI chip component costs

#171
post #100

An interesting implication of this is that AI inference and training has a path to a ~3x hardware cost reduction (and maybe ~2x total cost reduction) without any technical innovation whatsoever, we just need to wait for dram supply to meet demand (either by manufacturing scaling or just waiting for the current rate of manufacturing to fill the demand spike).

It sure looks like Sam Altman's masterful gambit to corner the memory market has had unforeseen consequences.

Re: Memory has grown to nearly two-thirds of AI chip component costs

#172

Earlier quoted context omitted.

Supply will not meet demand. What incentive do the handful of dram manufacturers have to end the party? This is what happens when legal monopolies finally win control. Dont't worry. The patents will expire in a few decades. Our grandkids will see DDR5 get cheap again. The system functions as intended.

I have fairly simplistic view of the economics involved here. Could you explain why the ability to sell more chips wouldn't be sufficient enough incentive to increase supply?

Not the person you’re replying to, but RAM has historically been a boom-or-bust business, and companies that invest to meet demand during a boom cycle usually have that new capacity come online just in time for the bust.

If it was just variable costs and new capacity was available today they’d do it. But there are substantial fixed costs and delays to increasing capacity, and that uncertainty makes it risky.

Re: Memory has grown to nearly two-thirds of AI chip component costs

#173
post #41

Everything I read seems to suggest that RAM capacity is going to grow at 20-25% a year, which just doesn't seem good enough. Even in consumer use cases, phones and laptops would benefit greatly by double the amount of RAM. And then obviously, the AI need is gigantic. I don't see it going away. I mean, it may not grow as fast as now, but I don't see it growing away either. I get why the memory makers do not want to ba…

The openai deal would be absorbed by two years of that. And it would be inefficient for the RAM makers in a competitive market to leave buyers unsold-to.

I don't actually know what the rate of growth before October was, I'm sure someone round here will though.

Re: Memory has grown to nearly two-thirds of AI chip component costs

#174

Earlier quoted context omitted.

Supply will not meet demand. What incentive do the handful of dram manufacturers have to end the party? This is what happens when legal monopolies finally win control. Dont't worry. The patents will expire in a few decades. Our grandkids will see DDR5 get cheap again. The system functions as intended.

I have fairly simplistic view of the economics involved here. Could you explain why the ability to sell more chips wouldn't be sufficient enough incentive to increase supply?

Bringing on new fabs takes many years and billions of dollars. You're exposing yourself to a lot of risk if you build now and find that the gold rush is over by the time your new capacity is online.

Re: Memory has grown to nearly two-thirds of AI chip component costs

#175
post #100

An interesting implication of this is that AI inference and training has a path to a ~3x hardware cost reduction (and maybe ~2x total cost reduction) without any technical innovation whatsoever, we just need to wait for dram supply to meet demand (either by manufacturing scaling or just waiting for the current rate of manufacturing to fill the demand spike).

> a path to a ~3x hardware cost reduction Really? How long do we have to wait until that ... cost reduction hits us?

For supply to meet demand. Depends very much on how aggressively producers scale and on how demand grows or shrinks.

Safe to say at least a year or two. It'd be shocking if it took a decade.

Re: Memory has grown to nearly two-thirds of AI chip component costs

#176
post #100

An interesting implication of this is that AI inference and training has a path to a ~3x hardware cost reduction (and maybe ~2x total cost reduction) without any technical innovation whatsoever, we just need to wait for dram supply to meet demand (either by manufacturing scaling or just waiting for the current rate of manufacturing to fill the demand spike).

The memory makers will not expand demand drastically. It is in the nature of their business to keep the market under-supplied, otherwise the following oversupply will kill them. Instead, supply is just rerouted from less profitable segments such as mobile and personal computing.

Apple could always decide to build their own fab or some such thing.

Re: Memory has grown to nearly two-thirds of AI chip component costs

#177
post #100

An interesting implication of this is that AI inference and training has a path to a ~3x hardware cost reduction (and maybe ~2x total cost reduction) without any technical innovation whatsoever, we just need to wait for dram supply to meet demand (either by manufacturing scaling or just waiting for the current rate of manufacturing to fill the demand spike).

Supply will not meet demand. What incentive do the handful of dram manufacturers have to end the party? This is what happens when legal monopolies finally win control. Dont't worry. The patents will expire in a few decades. Our grandkids will see DDR5 get cheap again. The system functions as intended.

Patents is not the issue here. Not even close.

The up-front investment of a memory fab is measured in billions, and takes years to construct and get running. The margin on the chips themselves is terrible, so without scale its not worth even trying. DDR5 is a industry standard that takes some effort to conform to, but the licence fees is a drop in the bucket to the cost of creating a fab.

The fabricators were cautious about increasing production, and slow to start planning. It takes further time to build up capacity, and if the demand drops down, they may end up producing dram at a loss when the market flips over to oversupply. The demand whiplash could kill any company that dared betting on increasing production. See the "bullwhip effect" https://en.wikipedia.org/wiki/Bullwhip_effect which has killed semiconductor fabricators before.

There is a discussion to be had about how to maintain national semiconductor production in Europe and US as a strategic industry, but historic attempts have all failed.

Re: Memory has grown to nearly two-thirds of AI chip component costs

#178
post #6

Awful time for gamers and PC hobbyists not fully into AI.

I think it's the opposite. Sure in short term hobbyists are getting squeezed, but the amount of capital that they can put into pushing the edge is small compared to Fortune 500. Sooner or later hobbyists will benefit, especially if the market crashes.

I fully agree, the billion dollar question is when it will come.

Re: Memory has grown to nearly two-thirds of AI chip component costs

#179
post #100

An interesting implication of this is that AI inference and training has a path to a ~3x hardware cost reduction (and maybe ~2x total cost reduction) without any technical innovation whatsoever, we just need to wait for dram supply to meet demand (either by manufacturing scaling or just waiting for the current rate of manufacturing to fill the demand spike).

The memory makers will not expand demand drastically. It is in the nature of their business to keep the market under-supplied, otherwise the following oversupply will kill them. Instead, supply is just rerouted from less profitable segments such as mobile and personal computing.

Supply and demand always balance out. There is no way manufacturers aren’t going to compete away these inflated margins, as long as they feel like this demand is sustainable.

Re: Memory has grown to nearly two-thirds of AI chip component costs

#180
post #8

Bought a second hand Dell server a week ago. The entire rig with a 12-core CPU and 32GB DDR4 ecc RAM cost as much as I'd pay to buy 64 GB of DDR RAM alone. I hope there's an end to this absurdity soon enough otherwise the pain will affect other markets too. I read the other day that PC case sales have collapsed by more than 40%.

I have an alternative take. If hyperscalers are using more RAM, and that RAM is not available for consumers, it means all the heavy stuff will happen in the cloud. Why would we want both the hyperscalers and consumers to have RAM simultaneously? Consumers would want more RAM to run local models but then hyperscalers capacity will be unused.

Because RAM isn’t in PCs only. It’s in tablets, phones, laptops, DIY computers like the Raspberry, mini PCs, watches, smart TVs, game consoles, cars, routers, cameras, all smart appliances from refrigerators to washing machines, fitness trackers, printers etc. Cloud services are irrelevant to most of these categories.
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