Intel's AI Infrastructure Counteroffensive: A Deep Technical Analysis of the CPU+IPU Heterogeneous Architecture
This report provides a deep technical analysis of Intel's "CPU+IPU" heterogeneous architecture for AI data centers. It details how the IPU layer enables hardware offload, resource isolation/composability, and AI-optimized communications, supported by the unified OneAPI/IPDK software stack. The analysis covers technical principles, workflows, and highlights key challenges including performance validation, third-party GPU interoperability, software maturity, and the practical hurdles of deploying large-scale composable infrastructure.