Tinker Mixture of experts

by Samy (Kondasamy Jayaraman) · drawn with Colorfigures by April Zhu

Loading Larkspur’s toy experts model…

Pick a token

“We reply within five business”: every room works on each token.

Chapter 1 of 7

One big kitchen

A vendor’s model card says “47B total, 13B active”. Larkspur’s team wants to know what that means, starting with a plain model.

This chapter: In a plain model, how many weights work on each token?

About this chapter

You will learn

  • Every weight of a dense model works on every token
  • Why the work per token grows with size
  • What a mixture of experts changes

Words you’ll meet

Weight
A number the model learned. A model’s size is how many weights it has.
Dense model
A model where every weight works on every token it reads.
Mixture of experts
A model split into many experts, of which only a few work on each token.

Step 1 of 4

Larkspur’s team starts with a : one big kitchen where every cook works on every token.

Predict first.

The vendor’s model holds 46.7B weights. If it were dense, how many would work on each token?