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How to achieve truly serverless GPUs We are in the age of inference. Billion- to trillion-parameter neural networks are run on specialized accelerators at quadrillions of operations per second to generate media, author software, and fold proteins at massive scale. Inference workloads are more variable and less predictable than the training workloads that previously dominated. That makes them a natural fit for serverless computing, where applications are defined at a level above the (virtual) machine so that they can be more readily scaled up and down to handle variable load. But serverless computing only works if new replicas can be spun up quickly — as fast as demand changes, which can be at the scale of seconds. Naïvely spinning up a new instance of, say, SGLang serving a billion-parameter LLM on a B200 can take tens of minutes or stall…