Axios Pro Exclusive ContentExclusive: AI inference startup Tensormesh raises from Nvidia, AMDIllustration: Aïda Amer/AxiosInference optimization startup Tensormesh raised a $20 million seed extension, co-founder and CEO Junchen Jiang tells Axios Pro.Why it matters: Companies have moved from training models to inference — generating outputs — in their AI push, but are running into compute and cost issues....