EPISODE · Oct 13, 2025 · 5 MIN
Backpropagation: The Engine Behind Modern AI
from Intellectually Curious · host Mike Breault
An accessible, concise tour of backpropagation: how the forward pass computes outputs, how the backward pass uses the chain rule to compute gradients efficiently, and why caching intermediates matters. A quick history from 1960s-70s precursors to Werbos, Rumelhart–Hinton–Williams' 1986 breakthrough, with NETtalk and TD-Gammon as milestones. We also discuss limitations like local minima and vanishing/exploding gradients, and what these mean for today’s huge models. Brought to you by Embersilk.Note: This podcast was AI-generated, and sometimes AI can make mistakes. Please double-check any critical information.Sponsored by Embersilk LLC
What this episode covers
An accessible, concise tour of backpropagation: how the forward pass computes outputs, how the backward pass uses the chain rule to compute gradients efficiently, and why caching intermediates matters. A quick history from 1960s-70s precursors to Werbos, Rumelhart–Hinton–Williams' 1986 breakthrough, with NETtalk and TD-Gammon as milestones. We also discuss limitations like local minima and vanishing/exploding gradients, and what these mean for today’s huge models. Brought to you by Embersilk....
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Backpropagation: The Engine Behind Modern AI
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