6min chapter

Practical AI: Machine Learning, Data Science, LLM cover image

Photonic computing for AI acceleration

Practical AI: Machine Learning, Data Science, LLM

CHAPTER

The Energy Scaling Problem in Computer Chips

When you double the number of transitors on a computer chip, that's more's law. But since around two thousand five when we've shrunk the transitor, the amount of energy that they use isn't shrinking commensurately. And so the chips are getting hotter and hotter and hotter. It sort of pushed us to a spot where you've heard a lot about system on chip and apple's recent announcement of the m m one chips. As yet, these are system on chip platforms. They have lots of different functionality, but it turns out that if they turned all those functionalities on at the same time, you would really hit the thermal limits for the system. So this is

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