Why it matters

Inductor generates fast kernels. Understanding shapes optimization.

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The architecture

Take FX graph from Dynamo.

Fuse ops.

Generate Triton or C++.

Inductor pipelineFX graphfrom DynamoFuse opskernel mergingCodegenTriton / C++Autotuning searches kernel configurations; caches results
Inductor.
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How it works end to end

Fusion: pointwise + reduction chains.

Autotuning: try kernel variants.

Cache: reuse across runs.