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I’m working on some code which contains some (compiler generated) chunks of assembly code that we’ve identified are speed bottle necks.
I know enough about assembly to muddle through and look for manual optimizations – I’m wondering, though, if there are any good, online guides that offer reusable techniques to be used in hand-optimizing assembly. This is not something I expect I’ll have to do very often, so odds are I’ll have to learn how to do it, again, from scratch, each time.
http://www.agner.org/optimize/optimizing_assembly.pdf
I’d say “have fun”, but it would probably be really mean-spirited 🙁
I think you’re interested in Chapter 9, “Optimizing for Speed”.