Thousands at Once

Think of an ant colony.
No single ant is smart. Each one just follows simple rules. Follow the scent. Carry the food.

But together, they build complex structures, find optimal paths, and survive as a system. No individual understands the whole. The intelligence emerges from the crowd.

That's a GPU.

If you have ever played a video game, you have felt the GPU working. Every frame, millions of pixels recalculated at once. That is not one fast processor — that is thousands of simple ones, all moving together.

It turned out this made it perfect for something far beyond graphics.
You will hear about this again.