Mixture of Experts Explained
Louis-Fran?ois Bouchard
Making AI accessible. ?? What's AI on YouTube. Co-founder at Towards AI. ex-PhD Student.
This iteration is sponsored by my friends at Qdrant !
Good morning everyone!
What you know about Mixture of Experts (MoE) is wrong.
We are not using this technique because each "model" is an expert on a specific topic.
In fact, each of these so-called experts is not an individual model but something much simpler...
So, MoEs are not experts or even models... What are they, and why does it work?
Let's dive into MoEs and discover why it is so powerful!
But first, here's a new, very cool product for all of us experimenting and building RAG -based applications!
1?? Qdrant Hybrid Cloud: The First Managed Vector Database You Can Run Anywhere with Unmatched Flexibility and Control (Sponsor)
Qdrant, the leading open-source vector database, today announced Qdrant Hybrid Cloud, a groundbreaking managed service for deployment across cloud, on-premises, or edge settings. Built on a Kubernetes-native architecture, it offers flexibility in setup and ensures full database isolation, enhancing data privacy in AI. This allows developers like us to choose where to process vector search workloads, making it easier to work on RAG-based applications, advanced semantic search, or recommendation systems in a data-driven world.
2?? Mixture of Experts: Mixtral 8x7B Dive in
Thanks to Jensen, we can now assume that the rumour of GPT-4 having 1.8 trillion parameters is true …
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1.8 trillion is 1,800 billion, which is 1.8 million million. If we could find someone to process each of these parameters in a second, which would basically be to ask you to do a complex multiplication with values like these, it would take them 57,000 years! Again, assuming you can do that in a second. If we do this all together, calculating one parameter per second with 8 billion people, we could achieve this in 2.6 days. Yet, transformer models do this in milliseconds.
This is thanks to a lot of engineering, including what we call a “mixture of experts,” where we supposedly have eight smaller models put together to reach this ginormous single model. But do we? Learn more in the article here or the video:
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Thank you for reading, and I wish you a fantastic week! Be sure to have?enough sleep and physical activities next week!
Louis-Fran?ois Bouchard