ConceptAhead-of-Time Autograd
AOTAutograd
The intermediate-layer component of the PyTorch 2.0 compilation stack. It performs ahead-of-time unrolling of the autograd graph to enable joint optimization of forward and backward passes, serving as a key stage in the torch.compile compilation pipeline.
Timeline (last 90 days)
Oct 13
torch.compile is a just-in-time compilation (JIT) mechanism introduced in PyTorch 2.0, and its workflow has three steps: TorchDynamo captures the computation graph at the bytecode level, AOTAutograd handles the forward and backward graph structures, and finally it is handed to the backend compiler to generate executable code.
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