New GitHub Copilot Research Finds 'Downward Pressure on Code Quality'
3 years ago by walter_wiggles to c/programming
Interesting to see the benefits and drawbacks called out.
If you use AI to generate code, that should always be the first draft. You still have to edit it to make sure it's good.
I totally agree, but I don't hear any discussion about how to incentivize developers to do it.
If AI makes creating new code disproportionately easy, then I think DRY and refactoring will fall by the wayside.
How do we currently incentivize developers to keep it DRY? Code review still exists.
Code review still exists.
For now code reviews are done by competent people. What about once
AI makes creating new code disproportionately easy
?
Edit: Is it clear the quote, plus the items before and after are all one thought? I am hopeful, but not convinced.
Because it will lead to an incomprehensible mess. Ever heard the quote, "Programs are meant to be read by humans and only incidentally for computers to execute"? This is well-trodden ground in science fiction. If you have AI writing code that's so lacking in abstraction (because machines require less of it to understand) then humans will become useless in maintaining it. Obviously this is a problem because it centralizes responsibility of maintenance onto machines who depend on this very code to operate.
Well that means it's up to us to make it recognize non-DRY code and teach it to refactor while remaining coherent forever and ever, or else we'll have to parachute into lands of alien code and try to figure out something nobody wrote and nobody understands.
what a shocker
Using it to generate code isn't inherently bad (outside of copyright concerns). Especially in "stupid amount of boiler plate" languages/etc.
But the problem is that people are lazy. They don't bother understanding the output, making sure it does what you want it to, etc. It's not that different than people copy pasting code from reference material. Part of the beauty of software development is that you don't have to solve every problem someone else has already solved. But you do need to know what your code is doing and why.
Copilot is a shortcut to code that "works" with less requirement to know what's happening.
Not only that, but we solved it in a deterministic manner. The way LLMs go about it, by picking something they think sort of maybe looks like the right thing is more bother than it's worth.
It's awesome for debugging for me.
Also helped me a few times with recursive logic.
As with any AI solution it's "garbage in. Garbage out."
Write your code normally. Then ask to generate comments? Add logging? Any tips for improvements?
You have to already know how to code so you know what to ignore.
If I don't use copilot to give me a piece of best practice code, I'm probably going to go and find it with a search engine.
Obviously I'm not going to do it for every little thing but if I'm going to implement a * somewhere I screw with that what, once every 5 years?I'm going to go and look how someone else did it and probably take their exact implementation and make minor modifications.
I'm not an absolute copy and paste fiend but I don't have the time to reinvent the wheel every time I want to do something. For the most part it's faster to go and grab crowd vetted code from someone that it is to go back through my own stuff and source my own implementation in the last project. Hell, and a lot of cases there might even be a better implementation than I used the last time I borrowed it from someone else.
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So I guess previously people might first look inside their repo's for examples of code they want to make, if they find and example they might import it instead of copy and pasting.
When using LLM generated code they (and the LLM) won't be checking their repo for existing code so it ends up being a copy pasta soup.
save