What is QAI Part 1

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What is Quantum AI? Part I E055 2025 02 03
A Bit of Security for February 3, 2025
I recently participated in a discussion with some IT executives. We discussed Quantum AI. So far, nobody has actually defined what that could possibly mean. For now it is buzzword salad. I asked Google "What is Quantum AI?":
"Quantum AI (QAI) is a field that combines artificial intelligence (AI) with quantum computing to create more powerful AI models. QAI uses quantum computers to solve complex problems faster and more efficiently than traditional computers."
So it means either we use quantum computers to solve AI problems more efficiently, or it means we use AI to make quantum computers better. Today we’ll dig into that first part.
First misconception. Quantum computers aren’t faster than classical computers. They all run at the same speed. Adding AI doesn’t change that at all. The difference isn’t the speed of the computer, it’s the capability of the algorithm. A quantum computer isn’t the same as a massively parallel computer, either. Again, a massively parallel computer (or a bunch of computes working together, ad Google uses to handle queries), still has the same cycle time as your PC – it just has a lot of PCs running at the same time on the same problem.
Suppose you wanted to know how many times Shakespeare used all the words in all his plays. On a classical computer, you would feed it Shakespeare’s plays, one page at a time, and the computer would build a table with an entry for each new word, and count the occurrence. That would take a long time. If you had 38 computers, you could feed each one a separate play, and have it build a table for each play, and when they were done, you could merge the 38 tables and get your answer, A lot faster. If you had about two thousand computers, you could give each computer one page of torn from each of Shakespeare’s plays and have them each build a table then merge the result. Altogether Shakespeare wrote about 850,000 words. Note that if you gave each of 850,000 computers a single word, what you end up with is a list of all words but no count of the number of instances – you’ve gone too far. The trick is designing an algorithm that balances the speed of a computer against the size of the input data table.
And note also that a quantum computer could not solve this problem at all. There is no beat frequency – the problem is scanning each word and selecting which bucket if falls into.
Quantum computing is about as relevant to improving AI as saying that if you wear a green hat you'll think faster.
Cybersecurity professionals should be a bit skeptical of such vague and FUD-ridden language.
What is Quantum AI? Part I E055 2025 02 03
A Bit of Security for February 3, 2025
The buzzword blitz continues with Quantum Artificial Intelligence. This one will take two segments to unwind. Listen to this -
Let me know what you think in the comments below or at wjmalik@noc.social
#cybersecuritytips #QuantumAI #AI #Quantumcomputing #buzzwordbullshit #BitofSec