I was assembling by hand as late as 1985 because I didn't have access to an assembler and writing out the code wasn't that hard. And it made you think about what you were doing! https://blog.jgc.org/2013/04/how-i-coded-in-1985.html
And we had/have people at Cloudflare hand writing assembly to get specific performance out of our systems.
And we had/have people at Cloudflare hand writing assembly to get specific performance out of our systems.