Why is Japan still investing in custom floating point accelerators?
It has taken nearly two decades and an immense amount of work by millions of people for high performance computing to go mainstream with GenAI. And now, we live in a world where AI servers crammed with accelerators account for half of the money spent on systems worldwide. There is no law anywhere that says that accelerator has to be a GPU, although that has been the accelerator of choice by far because GPUs are, like CPUs, general purpose processors that are explicitly designed to support vario