this post was submitted on 20 Mar 2025
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Back then you wrote whatever you needed to be performant and/or that involved close access to the hardware in assembler. A game would definitely count. It's kind of nice to do, in many ways it's simpler than high level programming, you've just got a lot more to keep track of.
This isn't really true on modern systems anymore. Lower level languages like C and Rust are more or less just as performant as handmade assembly.
Yup. And our processors are a lot more powerful, so the tricks you'd do in assembly to eek out performance just don't matter anymore.
Yes that's what I was referring to.
It's some sort of out of order execution and branch prediction that does it. The thing you're usually waiting on the most is IO.