(MENAFN- The Conversation)
I love writing code to make things: apps, websites, charts, even
music . It's a skill I've worked hard at for
more than 20 years.
So I must confess last week's news about the release of a new“AI assistant” coding helper called GitHub Copilot gave me complicated feelings.
Copilot, which spits out code to order based on“plain English” descriptions, is a remarkable tool. But is it about to put coders like me out of a job?
Trained on billions of lines of human code
GitHub (now owned by Microsoft ) is a collaboration platform and social network for coders. You can think of it as something like a cross between Dropbox and Instagram, used by everyone from individual hobbyists through to highly paid software engineers at big tech companies.
Over the past decade or so, GitHub's users have uploaded tens of billions of lines of code for more than 200 million apps. That's a lot of ifs and fors and
print('hello world') statements.
The Copilot AI works like many other machine learning tools: it was“trained” by scanning through and looking for patterns in those tens of billions of lines of code written and uploaded by members of GitHub's coder community. Copilot produces code from instructions in plain English (the pale blue text). GitHub
The training can take many months, hundreds of millions of dollars in computing equipment, and enough electricity to run a house for a decade. Once it's done, though, human coders can then write a description (in plain English) of what they want their code to do, and the Copilot AI helper will write the code for them.
Based on the Codex“language model” , Copilot is the next step in a long line of“intelligent auto-completion” tools. However, these have been far more limited in the past. Copilot is a significant improvement.
A startlingly effective assistant
I was given early“preview” access to Copilot about a year ago, and I've been using it on and off. It takes some practice to learn exactly how to frame your requests in English so the Copilot AI gives the most useful code output, but it can be startlingly effective.
However, we're still a long way from“Hey Siri, make me a million dollar iPhone app”. It's still necessary to use my software design skills to figure out what the different bits of code should do in my app.
To understand the level Copilot is working at, imagine writing an essay. You can't just throw the essay question at it and expect it to produce a useful, well-argued piece. But if you figure out the argument and maybe write the topic sentence for each paragraph, it will often do a pretty good job at filling in the rest of each paragraph automatically.
Depending on the type of coding I'm doing, this can sometimes be a huge time- and brainpower-saver.
Biases and bugs
There are some open questions with these sorts of AI coding helper tools. I'm a bit worried they'll introduce, and reinforce, winner-takes-all dynamics: very few companies have the data (in this case, the billions of lines of code) to build tools like this, so creating a competitor to Copilot will be challenging.
And will Copilot itself be able to suggest new and better ways to write code and build software? We have seen AI systems innovate before. On the other hand, Copilot may be limited to doing things the way we've always done them, as AI systems trained on past data are prone to do.
My experiences with Copilot have also made me very aware my expertise is still needed, to check the“suggested” code is actually what I'm looking for.
Sometimes it's trivial to see that Copilot has misunderstood my input. Those are the easy cases, and the tool makes it easy to ask for a different suggestion.
The trickier cases are where the code looks right, but it may contain a subtle bug. The bug might be because this AI code generation stuff is hard, or it might be because the billions of lines of human-written code that Copilot was trained on contained bugs of their own.
Another concern is potential issues about licensing and ownership of the code Copilot was trained on. GitHub has said it is trying to address these issues , but we will have to wait and see how it turns out.
More output from the same input
At times, using Copilot has made me feel a little wistful. The skill I often think makes me at least a little bit special (my ability to write code and make things with computers) may be in the process of being“automated away”, like many other jobs have been at different times in human history.
However, I'm not selling my laptop and running off to live a simple
life in the bush just yet. The human coder is still a crucial part of the system, but as curator rather than creator.
Of course, you may be thinking“that's what a coder would say” … and you may be right.
AI tools like Copilot, OpenAI's text generator GPT-3 , and Google's Imagen text-to-image engine , have seen huge improvements in the past few years.
Read more: Robots are creating images and telling jokes. 5 things to know about foundation models and the next generation of AI
Many in white-collar“creative industries” which deal in
text and images are starting to wrestle with their fears of being (at least partially) automated away. Copilot shows some of us in the tech industry are in the same boat.
Still, I'm (cautiously) excited. Copilot is a force multiplier in the most optimistic tool-building tradition: it provides more leverage, to increase the useful output for the same amount of input.
These new tools and the new leverage they provide are embedded in wider systems of people, technology and environmental actors, and I'm really fascinated to see how these systems reconfigure themselves in response.
In the meantime, it might help save my brain juice for the hard parts of my coding work, which can only be a good thing.
Read more: Artificial intelligence is now part of our everyday lives – and its growing power is a double-edged sword
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