What had to change to run Nova-3 on Trainium2?
The teams ported PyTorch code to the AWS Neuron stack, substituted and tuned kernels, profiled performance, and built a Rust data-parallel runtime that called the Neuron Runtime API.
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Deepgram's Trainium Port Shows Why Inference Cost Depends on the Whole StackDeepgram and AWS report 11–70% more offline transcription per dollar on one Trainium2 setup. The kernels, runtime and workload explain the narrow result.
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