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Ask HN: In the event of an apocalypse, how long until we could produce CPUs?

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11–20 of 69 posts

Re: Ask HN: In the event of an apocalypse, how long until we could produce CPUs?

#11

Depends on how long roving bands of tribal warlords continued killing each other over previous food and water resources. It might take a minute to get the CPU factories retrofitted to run on diesel generators once a winner emerges and decides to dedicate his fuel stash to manufacturing CPUs.

You can't eat CPUs and they are very expensive to throw at people to keep them away from your food and your newly liberated farm.

Re: Ask HN: In the event of an apocalypse, how long until we could produce CPUs?

#12
I had this same thought before Y2K. All the hype around it I wondered if there’s tech stashed away somewhere safe and out of reach from global catastrophes like EMPs or other types of world events. I can guarantee governments have tech stashed somewhere on earth or in space. It’s the most logical way to ensure in an event like that, that those governments can restart and be ahead of everyone else in that event.

Re: Ask HN: In the event of an apocalypse, how long until we could produce CPUs?

#14

It would obviously be possible, since we have CPUs now but once lived in caves. You can work backwards from "Semiconductor fabrication", which (I guess) would look something like: Microfabrication > Computation > Manufacturing > Electrical Engineering > Chemical Engineering > Metalworking > Power generation > Basic tools As to how long this would take, that feels very speculative. Did anyone print a copy of Wikipedia…

> Did anyone print a copy of Wikipedia?

Yes, https://en.wikipedia.org/wiki/Print_Wikipedia

Re: Ask HN: In the event of an apocalypse, how long until we could produce CPUs?

#16

Depends on how long roving bands of tribal warlords continued killing each other over previous food and water resources. It might take a minute to get the CPU factories retrofitted to run on diesel generators once a winner emerges and decides to dedicate his fuel stash to manufacturing CPUs.

Gasoline and diesel have a shelf life of around 12 months. It would make more sense to stockpile propane.

Re: Ask HN: In the event of an apocalypse, how long until we could produce CPUs?

#18
post #8

In the event of TSMC's fabs being destroyed by China attacking Taiwan, how long until we could produce modern CPUs?

They'll actually be destroyed by US missiles launched from Philippines to prevent factories falling into Chinese hands. But yeah, there's a high change that they go poof and with them 3/4 of the world's productive capacity for modern chips.

Re: Ask HN: In the event of an apocalypse, how long until we could produce CPUs?

#19

I had this same thought before Y2K. All the hype around it I wondered if there’s tech stashed away somewhere safe and out of reach from global catastrophes like EMPs or other types of world events. I can guarantee governments have tech stashed somewhere on earth or in space. It’s the most logical way to ensure in an event like that, that those governments can restart and be ahead of everyone else in that event.

That's a very optimistic outlook after it was revealed what preparations had been taken to deal with a global pandemic, a risk scenario that at least every country had a playbook for.

I just think it is not possible to meaningfully prepare for a once-in-a-century event. You simply cannot sustain significant budgets for such scenarios.

Re: Ask HN: In the event of an apocalypse, how long until we could produce CPUs?

#20
We already have chips that we're not really able to reproduce, like some of the custom chips and ULA (Uncommitted Logic Array) in older micro computers. The fabs and technology is abandoned, and while we might be able to recreate it the results might not be completely identical chips.
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