The residual stream
The running vector the whole network keeps refining as it flows right.
In this section
- The vector — What the [dim] vector holds, and how to read the teal/amber feature bars.
- The logit lens — The 'best guess from here' readout, and why it sharpens toward the answer rightward.
- Residual add (⊕) — The skip connection x = x + sublayer(norm(x)) that lets gradients flow.