The Billion-Dollar AI Delusion: How a Simple Algorithm Turns Your RTX 4090 Into a Million-Token Beast
Forget the $100,000 GPUs. A new paper reveals that the real bottleneck in AI inference is memory bandwidth, not compute. By exploiting inherent attention sparsity, you can run million-token context on a standard consumer GPU. This isn’t a tweak – it’s a paradigm shift that democratizes AI and exposes the hardware arms race as a software failure. Here’s how it works and why it matters.