I “cheaped out” with 32 and regretted it, working with huge files in RAM.
this post was submitted on 29 Apr 2025
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getting into 3d art is a regret lowkey, I was fine with my specs before they felt op even
I was into vr too, I was like damn this laptops a beast now im constantly struggling
128 here and I capped it the other day doing an in-memory parsing, lol
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proof that money is evil
?????????
Tbh I can already do that with 8gb
Linux and FreeBSD systems? Happy and snappy.
Work Windows system filled with crap corp security software? Open electron apps and wait for them to load.
Personal Windows system? Master of Orion, the remake.
what do you need 32gb for in a linux box?
ZFS and disk cache.
I love it for disk cache as I can then get slow drives. After the prefetch during boot (once every few months), things are just smooth.
either using it to serve a small network or the old video games
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Play some horribly unoptimized games, like the Oblivion Remaster that recommends having 32gb. Which is fucking insane.
Yeah, they defo need to work on optimization. It's an unreasonably heavy game both on cpu and gpu, runs worse than cyberpunk rt overdrive while looking worse...
Oblivion needs about stable 10GB with max settings on my System.
I wonder if they recommend 32 because 16gb is the minimum for maxed settings vanilla but they know everyone will have 2000 mods installed eventually and they are accounting for that. 🤔
The remake?
took me a few days but I fully switched to firefox. my computer finally runs the way it should.
My washing machine uses Firefox as well
i'm an angry non orgasmic bottom
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Do you watch EmpLemon too?
I'd be in trouble, since between ZFS and my various VMs, my system idles at ~170 GB RAM used. With only 32 I'd have to shut basically everything down.
My previous system had 64 GB, and while it wasn't great, I got by. Then one of the motherboard slots died and dropped me to 48 GB, which seriously hurt. That's when I decided to rebuild and went to 256.
Oh yay, lemmy is finally popular enough to have a nobody asked e-peen guy!
NERD!
seriously, nice rig phat stats
Real question. Doesn't the computer actually slow down when you have that much memory? Doesn't the CPU need to seek into a bigger vast vs a smaller memory set?
Or is this an old school way of thinking?
That’s a complicated question. Bigger memory can split it between more banks, which can mean more precharge penalties if the memory you need to access is spread out between them.
But big memory systems generally use workstation or server processors, which means more memory channels, which means the system can access multiple regions of memory simultaneously. Mini-PCs and laptops generally only have one memory controller, higher end laptops and desktops usually have two, workstations often have 4, and big servers can have 8+. That’s huge for parallel workflows and virtualization.
No that's not how it works. Handling a larger address space (e.g., 32-bit vs 64-bit) maybe could affect speed between same sized modules on a very old CPU but I'm not sure that's even the case by any noticeable margin.
The RA in RAM stands for random access; there is no seeking necessary.
Technically at a very low level size probably affects speed, but not to any degree you'd notice. RAM speed is actually positively correlated with size, but that's more because newer memory modules are both generally both bigger and faster.
The RA in RAM stands for random access; there is no seeking necessary.
Well there is, CPUs need to map virtual addresses to physical ones. And the more RAM you have the more management of that memory you need to do (e.g. modern Intel and AMD CPUs have 5 levels of indirection between a virtual and physical address)
But it also caches those address mappings, as long as your TLB is happy, you're happy. An alternative is to use larger page sizes (A page being the smallest amount of RAM you can address), the larger the page the less you need recurse into the page tables to actually find said page, but you also can end up wasting RAM if you're not careful.
You clearly know more than me, but wouldn't everything from 4GB to 1TB have the same number of walks? And one more walk gets you up to 256TB?
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