Fortunate to be reminded of this right now, especially the pull-quote about conceptual integrity.
This is the reason why AI-assisted programming has not turned out to be the silver bullet we have been hoping for, at least yet. Muddled prompting by humans gets you the Homer Simpson car you wished for, that will eventually collapse under its own weight.
I've been thinking a lot about Programming as Theory Building [0] as the missing piece in AI-assisted engineering. Perhaps there are approaches which naturally focus on the essence while ignoring the accidents, but I'm still looking for them. Right now the state of the art I see ignores both accident and essence alike, and degrades the ability to make progress.
Please inform me if there are any approaches you know that work! And lest this sound pessimistic, far from it. This state of affairs is actually intoxicatingly motivating. Feels like we have found silver, and just need to start learning to mould bullets.
Notably, his essay “no silver bullet” states that there has never been a new technology or way of thinking or working that has led to a 10X increase in the speed of software development.
That was true for almost seventy years until roughly last year.
AI is the silver bullet - my output is genuinely 10X what it was before claude code existed.
I'm curious to check how faster AAA games will hit the market in the next years compared to the pre-LLM era. Or how much of the aging COBOL code base out there will disappear in the next decade.
When concrete things like that start to happen, then I will start to believe in the 10x claim.
This was true as programming languages evolved too. It was so much easier to write scripting languages than C. You could crap our scripts like crazy - no cc refusing to give you a binary to get in your way.
Clearly..it still wasn't a silver bullet. Because output as a metric is a bad one. I thought it was only one managers valued..but apparently Anthropic has convinced devs to value it finally? i guess it def hits that dopamine receptor hard.
Writing code is a part (sometimes a big part, sometimes not) of delivering software to production. The overall system throughput is the interesting thing to look at.
I've been thinking about this and have wanted to discuss it with people.
I think the 10x thing has been broken, but I don't think it's because the premise of "No Silver Bullet" was false - I think it's because LLMs have the ability to navigate some of the _essential_ complexity of problems.
I don't think anyone has really wrestled with the implications of that yet - we've started talking about "deskilling" and "congnitive debt" but mostly in the context of "programmers are going to forget how to structure code - how to use the syntax of their languages, etc et etc)." I'm not worried about that as it's the same sort of thing we've seen for decades - compilers, higher-order languages, better abstracts, etc etc etc.
The fact that LLMs are able to wrestle with essential complexity means that using them is going to push us further and further from the actual problems we're trying to solve. Right now, it's the wrestling with problems that helps us understand what those problems are. As our organizations adopt LLMs that are able to take on _those_ problems - that is, customer problems, not problems of data, scaling, and so forth - will we hit a brick wall where we lose that understanding? Where we keep shipping stuff but it gets further and further from what our customers need? How do we avoid that?
The premise of "no silver bullet" is wrong (LLM just made it clear, but it has always been wrong).
The premise is that the software development had been mostly "essential complexity" rather than "accidental complexity." But I think anyone who worked as SE in the past decade would have found the opposite is true.
As a software engineering manager, I always look to staff up a project at the beginning as much as possible, looking for doing as much in parallel up-front as we can. If some things take longer than expected, then I already have a team of engineers with all the context since the project kicked off that can help each other with any longer running tasks. An engineer that has completed a smaller chunk of work can help out with the items on the critical path, for example.
The bearing of a child takes nine months, no matter how many women are assigned.
For the human makers of things, the incompletenesses and inconsistencies of our ideas become clear only during implementation.
Conceptual integrity is the most important consideration in system design.
There is no single development, in either technology or management technique, which by itself promises even one order-of-magnitude improvement in productivity.
---
These ideas still apply very well to modern society.
but,
Personally, I hope science advances to the point where nine women really can have a baby in parallel.
We may need that to prevent demographic collapse and keep the pension system from running out of money.
It would probably be more practical to make old age less expensive than to inject more people into the bottom of the demographic pyramid. Those young people eventually get old too. I am looking forward to my sentient robot caretaker:
"The programmer, like the poet, works only slightly removed from pure thought-stuff. He builds his castles in the air, from air, creating by exertion of the imagination." -FB
Indeed a lot of things have changed. A worthwhile exercise is to read the book, contemplate how things have changed, and try to map lessons from the book onto modern technology and organizational practices. A LOT of the core principles are still relevant IMO, even if many of the implementation details are not.
Fortunate to be reminded of this right now, especially the pull-quote about conceptual integrity.
This is the reason why AI-assisted programming has not turned out to be the silver bullet we have been hoping for, at least yet. Muddled prompting by humans gets you the Homer Simpson car you wished for, that will eventually collapse under its own weight.
I've been thinking a lot about Programming as Theory Building [0] as the missing piece in AI-assisted engineering. Perhaps there are approaches which naturally focus on the essence while ignoring the accidents, but I'm still looking for them. Right now the state of the art I see ignores both accident and essence alike, and degrades the ability to make progress.
Please inform me if there are any approaches you know that work! And lest this sound pessimistic, far from it. This state of affairs is actually intoxicatingly motivating. Feels like we have found silver, and just need to start learning to mould bullets.
[0] Another classic required reading of the industry https://pages.cs.wisc.edu/~remzi/Naur.pdf
Notably, his essay “no silver bullet” states that there has never been a new technology or way of thinking or working that has led to a 10X increase in the speed of software development.
That was true for almost seventy years until roughly last year.
AI is the silver bullet - my output is genuinely 10X what it was before claude code existed.
I'm curious to check how faster AAA games will hit the market in the next years compared to the pre-LLM era. Or how much of the aging COBOL code base out there will disappear in the next decade.
When concrete things like that start to happen, then I will start to believe in the 10x claim.
This was true as programming languages evolved too. It was so much easier to write scripting languages than C. You could crap our scripts like crazy - no cc refusing to give you a binary to get in your way.
Clearly..it still wasn't a silver bullet. Because output as a metric is a bad one. I thought it was only one managers valued..but apparently Anthropic has convinced devs to value it finally? i guess it def hits that dopamine receptor hard.
10x the amount of code or features =/= 10x the speed of software development.
How are you defining speed of software development?
Doesn’t necessarily but does sometimes unless you have a concrete alternative
How is that not the same thing?
"nine women can't have a baby in a month". Speed of software development is not pure output.
for certain monkeys, they think it is tho
there are entire C corps of monkeys out there
Writing code is a part (sometimes a big part, sometimes not) of delivering software to production. The overall system throughput is the interesting thing to look at.
If AI is the silver bullet, I do not understand why so many shot-up projects are still wandering around the freelance market.
Horses weren't replaced overnight.
Also, I know that there will be a lot of boilerplate applications that just don't look good or seem to have been well thought out early on.
Folks will use that as a cope mechanism, but huge changes are coming.
I've been thinking about this and have wanted to discuss it with people. I think the 10x thing has been broken, but I don't think it's because the premise of "No Silver Bullet" was false - I think it's because LLMs have the ability to navigate some of the _essential_ complexity of problems.
I don't think anyone has really wrestled with the implications of that yet - we've started talking about "deskilling" and "congnitive debt" but mostly in the context of "programmers are going to forget how to structure code - how to use the syntax of their languages, etc et etc)." I'm not worried about that as it's the same sort of thing we've seen for decades - compilers, higher-order languages, better abstracts, etc etc etc.
The fact that LLMs are able to wrestle with essential complexity means that using them is going to push us further and further from the actual problems we're trying to solve. Right now, it's the wrestling with problems that helps us understand what those problems are. As our organizations adopt LLMs that are able to take on _those_ problems - that is, customer problems, not problems of data, scaling, and so forth - will we hit a brick wall where we lose that understanding? Where we keep shipping stuff but it gets further and further from what our customers need? How do we avoid that?
The premise of "no silver bullet" is wrong (LLM just made it clear, but it has always been wrong).
The premise is that the software development had been mostly "essential complexity" rather than "accidental complexity." But I think anyone who worked as SE in the past decade would have found the opposite is true.
For your sake I hope that your pay is determined by your “output”, and not your long-term usefulness.
> that has led to a 10X increase in the speed of software development.
> AI is the silver bullet - my output is genuinely 10X what it was before claude code existed.
Those are not the same.
You can add 5 different features to a project and still provide less value that the 5 lines diff that resolves a performance bottleneck.
Just because code has been put out does not mean the software is “developed”.
10x would only be possible if your output was low before Claude Code
I've found that I can have 10x output, so long as I don't expect anyone to review your code...
I can get 100x output, if we're counting lines of code!
As a software engineering manager, I always look to staff up a project at the beginning as much as possible, looking for doing as much in parallel up-front as we can. If some things take longer than expected, then I already have a team of engineers with all the context since the project kicked off that can help each other with any longer running tasks. An engineer that has completed a smaller chunk of work can help out with the items on the critical path, for example.
Fred brooks would not necessarily endorse this.
The bearing of a child takes nine months, no matter how many women are assigned.
For the human makers of things, the incompletenesses and inconsistencies of our ideas become clear only during implementation.
Conceptual integrity is the most important consideration in system design.
There is no single development, in either technology or management technique, which by itself promises even one order-of-magnitude improvement in productivity.
---
These ideas still apply very well to modern society. but, Personally, I hope science advances to the point where nine women really can have a baby in parallel.
We may need that to prevent demographic collapse and keep the pension system from running out of money.
It would probably be more practical to make old age less expensive than to inject more people into the bottom of the demographic pyramid. Those young people eventually get old too. I am looking forward to my sentient robot caretaker:
“Open the refrigerator door, HAL”
“I can’t do that right now”
If he had saved enough money to subscribe to the Pro tier, HAL might have opened it.
Once we ditch our centrally controlled economies perhaps life can be affordable enough to not prevent willing parents from having children.
I think Brooks would call that an optimistic schedule estimate.
"The programmer, like the poet, works only slightly removed from pure thought-stuff. He builds his castles in the air, from air, creating by exertion of the imagination." -FB
It’s easy to see the conceptual integrity in good software, architecture, design and movies — or the lack of this quality in the bad ones.
Vibe coded software is the Marvel green screen movie equivalent.
Look, I read it and loved it 25 hyears ago.
Fred Brooks wrote that book when they were programming IBM operating systems in assembly language.
Times have really, really changed - do not pay attention to the messages of this book unless for historical fun.
The lessons in that book have broadly held true for nearly every single one of my employers throughout the entirety of my career.
Indeed a lot of things have changed. A worthwhile exercise is to read the book, contemplate how things have changed, and try to map lessons from the book onto modern technology and organizational practices. A LOT of the core principles are still relevant IMO, even if many of the implementation details are not.
Your comment and the OP both mention some things that are outdated about the book. What are those things?
Our field is full of vague, terrible opinions and useless advice. Arrogant people that think they're better than others.
That book isn't, it's built from humility and a rare bright light in this god forsaken field.
The book is good. As you say, the author, Fred Brooks, is not at all arrogant.
Martin Fowler, the author of the blog, may be a bit different than that.
IMHO, Brooks's Law applies more today than ever.
I was half expecting Fowler to tie it in to right-sizing agent teams.