CoreWeave has tripled in value since its IPO earlier this year.Artificial intelligence (AI) training requires a massive amount of computing power that few can wrap their minds around. The primary provider of this computing power in the AI arms race has been Nvidia (NVDA -0.82%), with its graphics processing units (GPUs). These general-purpose computing devices  power nearly all the development of AI models that we know today, and demand for them is still rising.However, these are expensive devices and requi ...