this post was submitted on 11 Mar 2026
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XP used to just have ram sitting there empty waiting for something. Then over vista and 8 and 10 they started more and more preloading because hey if the ram is empty it’s wasted. Like database servers, they always suck down all the RAM possible. Problem is windows doesn’t release it when the cache or whatever isn’t useful and something else wants it.
It’s been a while but I think macOS is considerably better at both parts of that equation.
There’s no reason that computers need to be so powerful other than MBAs saying “optimization is too expensive, just push the feature.”
MacOS is significantly better than windows when using their first party apps, but many third party apps are ram hogs and things get forced to swap more often.
Swap isn't terrible though, a lot of current gen mac hardware has very fast SSDs and very low latency controllers so it's pretty transparent in normal use.
I think if you are on a website like this, this computer isn’t for you, but it is for a lot of people who use nothing but a web browser with one tab open 90% of the time.
They do typically have good hardware that works well together. It’s a ton of work replicating that level of hardware compatibility. Apple catches a lot of negative feedback and some of it deserved but they won’t be caught dead shipping a wifi chip as shitty as the one in my Surface.
Probably. I’m in the minority on an iPhone.
Vista called it SuperFetch, and preloading pages into memory is not a bad technique. macOS and Linux do it, too, because it's a simple technique for speeding up access to data that would otherwise have to be fetched from disk. You can see that Linux does it as you check the output of
freeand read out the buff/cache column. Freeing unused pages from memory is very fast, because you can just overwrite dirty pages.Yeah, conceptually it’s good, but the free up is important and seems to be a secondary concern. Perhaps it’s the third party devs.
Wasn’t super fetch what they called the high speed usb flash drives you could use as swap? That reminds me of a time I was optimistic about technology. Vista RC and Office 2007 on my MacBook Pro.