this post was submitted on 13 Oct 2025
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[–] megopie@lemmy.blahaj.zone 27 points 13 hours ago* (last edited 11 hours ago) (1 children)

all modern computers are universal Nueman-Turing machines, thus, with enough time and power, any program can be run.

Edit: to be clear I’m referring to universal turing machines and Von Neumann architecture

[–] Vitaly@feddit.uk 14 points 12 hours ago (5 children)

I'm not sure about that, because some programs require a certain amount of ram and GPU memory to run, so if you tried to run cs 2 on a potato it will probably crash.

[–] not_IO@lemmy.blahaj.zone 5 points 10 hours ago

thats why TMs are theoretical constructs that write on infinite tape

[–] mushroommunk@lemmy.today 13 points 12 hours ago (2 children)

I avoid the nitty gritty because I'm a software guy but as far as I know nothing is inherently stopping the computer from using the hard drive as extremely slow RAM even for the GPU. I mean we already have page and swap files, might need to be implemented, but I don't see why it couldn't be technically done.

[–] cabb@lemmy.dbzer0.com 1 points 7 hours ago (1 children)

What if I use a netbook with barely enough storage to run Windows and download the game?

[–] megopie@lemmy.blahaj.zone 1 points 4 hours ago

plug in external storage, like a flash drive.

[–] Vitaly@feddit.uk 4 points 12 hours ago (2 children)

Is there swap for GPU memory? I didn't know that

[–] kibiz0r@midwest.social 5 points 8 hours ago

There’s anything for anything, provided you write the drivers/toolchain/kernel/firmware/ISA to make it happen. That’s the commenter’s point.

[–] mushroommunk@lemmy.today 15 points 12 hours ago

I think it's more "technically nothing stopping you from making it happen". I can't find anywhere where it's actually implemented because it really is a bad idea, molasses might flow up hill quicker in winter than a GPU would run using swap files

[–] megopie@lemmy.blahaj.zone 8 points 12 hours ago* (last edited 12 hours ago)

There is nothing fundamentally different about what goes on, bare metal, on a GPU, it’s just built to run certain kinds of operations much more efficiently, a lot more small operations in parallel. But you can have CPU run the same processes, it’ll just take much longer. Hell, with effort you can get a GPU to do what a CPU does. Would it take some seriously complex porting and weird black magic fuckery? Yah. would it be a massively inefficient, slow and difficult way to do it? Without a fucking doubt. Memory and storage are a non issue so long as you can get a signal out and attach a external storage medium, it’ll just slow things down, but with enough time and power…

it is possible

[–] snoons@lemmy.ca 7 points 12 hours ago* (last edited 8 hours ago)

Not with normal settings, you just have to modify it to run at 1x10^-30^ frames per day.

[–] LodeMike@lemmy.today 2 points 12 hours ago

The GPU is Harvard yes. Additionally most CPUs are modified Harvard, but the instruction architecture they run is Von Neumann