this post was submitted on 21 Aug 2023
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[–] [email protected] 153 points 1 year ago (2 children)

there are 8 logic gates in a byte

uh. no? a logic gate isn’t a bit. you can store a single bit with a pair of not gates to make a flip flop, but the core logic here is flawed

[–] [email protected] 79 points 1 year ago (1 children)

Right? Even if it weren't, this only calculates how many crabs it would take to store Doom, not run it.

[–] eestileib 36 points 1 year ago (4 children)

No mention of fps or latency, authors clearly not gamers.

Imagine some Smash Bros players who get pissy about 16.6ms playing on a CrabCPU with 13s latency...

[–] [email protected] 7 points 1 year ago

Authors never said anything about gaming, the tweet did

[–] [email protected] 5 points 1 year ago

With over sixteen billion crabs involved, I'm sure the latency would be measured in years.

[–] Classy 2 points 1 year ago

smash keys spend 15:30 delay in processing to go make tendies and hunny mussy return in time to watch mayhem ensue

I see no downsides to this.

[–] [email protected] 26 points 1 year ago (5 children)

you can store a single bit with a pair of not gates to make a flip flop

Isn't it a pair of NAND gates? You can make anything with NAND gates.

Like this:

[–] [email protected] 20 points 1 year ago* (last edited 1 year ago)

You can also do it with NOT gates. The driver needs to overpower the gates to change the bit and then it acts like a D flip flop rather than an RS flip flop like NAND gates will. But that's generally how they're actually made. SRAM generally looks like this: The side transistors are called access transistors; they're there so you can selectively read/write, but aren't needed to store the bit.

[–] [email protected] 5 points 1 year ago* (last edited 1 year ago) (2 children)

So here’s some bad math. 160 crabs per NAND gate / byte. Doom’s original file size is roughly 2.39MB (I couldn’t find an actual source for this but it’s touted all over the web).

So 2390000 bytes * 160 crabs is 382400000 crabs.

So you can run doom on 382.4 million crabs

Edit: store, not run

[–] [email protected] 9 points 1 year ago

you can ~~run~~ store doom

[–] [email protected] 2 points 1 year ago

2 NAND gates are only a bit. You need 8 of those for a byte, that is 8 * 160 = 1280 crabs. For Doom you need 1280 * 2390000 = 3059200000 = 3059.2 million crabs

[–] [email protected] 5 points 1 year ago

yes, tired brain hiccup :)

[–] [email protected] 2 points 1 year ago (1 children)
[–] [email protected] 5 points 1 year ago

They've got diagrams of OR and AND gates with the crabs.

I feel like they would need a NOT gate to do anything meaningful, which obviously isn't possible. You can't have zero crabs going in with crabs coming out. Without a NOT gate I don't think they can do much in the way of traditional computing - you probably can't run Doom on any number of crabs (although I'd love to be proven wrong).

[–] [email protected] 44 points 1 year ago (1 children)

Q: So what do you do for a living?

A: “I am only the greatest scientist of our age, harnessing the computational might of soldier crabs! While others tinker with mere circuits, I've unlocked the organic potential of crustacean logic gates. The future, my friend, isn't in machines, but in the scuttle of millions of tiny legs! Mwahahaha!”

[–] [email protected] 15 points 1 year ago (1 children)
[–] [email protected] 3 points 1 year ago* (last edited 1 year ago)

Scientist answer is part by Chatgpt. Maybe i should have enabled wolfram.

[–] [email protected] 31 points 1 year ago (1 children)

Everything returns to crabs, as it must

[–] [email protected] 2 points 1 year ago

Brb working on rust backend to compile to crabs.

[–] [email protected] 26 points 1 year ago (6 children)

There's a great scifi book that has a computer that's run on ants as logic gates. It's slow as fuck but has enough processing power to run an AI.

[–] newIdentity 16 points 1 year ago* (last edited 1 year ago) (3 children)

There's also one that is about how the entire earth is actually just a very powerful computer that calculates what's the question to the answer of the meaning of life.

[–] [email protected] 7 points 1 year ago (1 children)

Don't forget to bring a towel.

[–] [email protected] 4 points 1 year ago

there's a frood so hoopy he would be able to avoid giving treefiddy to the ravenous bugblatter beat of traal

[–] [email protected] 2 points 1 year ago

After spending a couple decades on this planet it’s clear that the dolphins and mice really are the smart ones.

[–] [email protected] 10 points 1 year ago (1 children)
[–] [email protected] 8 points 1 year ago (1 children)

Yea it’s this one. The evolved spider people used them in their equivalent of information age

Also I think something very similar happened in the 3 Body Problem trilogy at some point

[–] [email protected] -2 points 1 year ago* (last edited 1 year ago)

Also I think something very similar happened in the 3 Body Problem trilogy at some point

Trisolarians apparently at some point formed a computer out of the members of their species in order to try to predict the Chaotic Eras, it was presented as experiment to the humans in trisolarian VR game, that was very close to the beginning of the book.

[–] [email protected] 8 points 1 year ago (2 children)
[–] [email protected] 3 points 1 year ago

-+- OUT OF CHEESE -+-

[–] [email protected] 3 points 1 year ago
[–] [email protected] 2 points 1 year ago* (last edited 1 year ago) (1 children)

Reminds me of the "computer" they made using 30 million soldiers signalling to each other with flags in the book the Three Body Problem

[–] [email protected] 2 points 1 year ago

Came here to mention the trisolaran computer! Ngl I'm still unclear on the point of the whole virtual trisolaris.

[–] [email protected] 0 points 1 year ago

There is one in the discworld novels too.

[–] [email protected] 26 points 1 year ago

Is this rust?

[–] [email protected] 11 points 1 year ago

Crabs are Turing complete now? I gotta get me an STD!

[–] [email protected] 11 points 1 year ago (1 children)

UAC now stands for United Aerospace Crab

[–] pastermil 8 points 1 year ago

I thought it should be User Access Crab

[–] [email protected] 7 points 1 year ago (1 children)

Cray Fish Computer Corporation. I always wondered what powered these old super computers.

[–] [email protected] 2 points 1 year ago

Now I'm thinking why they called that chess one Deep Blue...