I've found being able to read assembly more useful than writing it.
For those writing in compiled languages like C/C++ and particularly with an interest in performance it's been very helpful just to be able to read compiler output and see what it's generating. Takes the guesswork out of it, removing the uncertainty by simply being able to see what the compiler is actually doing. You can just write code and see the result, who knew!. It's actually helped my understanding of C++ in seeing the bigger picture.
Of course it's also much easier to learn just to read a little disassembly than actually write the stuff. I'm sure I'm not alone in that for me Compiler Explorer (https://godbolt.org) was my gateway into this. You can get quite far even if just knowing the basics (I'm no expert).
For those writing in compiled languages like C/C++ and particularly with an interest in performance it's been very helpful just to be able to read compiler output and see what it's generating. Takes the guesswork out of it, removing the uncertainty by simply being able to see what the compiler is actually doing. You can just write code and see the result, who knew!. It's actually helped my understanding of C++ in seeing the bigger picture.
Of course it's also much easier to learn just to read a little disassembly than actually write the stuff. I'm sure I'm not alone in that for me Compiler Explorer (https://godbolt.org) was my gateway into this. You can get quite far even if just knowing the basics (I'm no expert).