Implement DDP static_graph=True
#6940
Merged
+7
−4
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Experimental implementation of new PyTorch 1.11.0 DDP feature. See https://pytorch.org/blog/pytorch-1.11-released/ for details.
🛠️ PR Summary
Made with ❤️ by Ultralytics Actions
🌟 Summary
Enhanced PyTorch compatibility and optimized model training performance in multi-GPU setups.
📊 Key Changes
check_version
utility function to confirm PyTorch version compatibility.static_graph
parameter in DDP based on PyTorch version check.🎯 Purpose & Impact
check_version
function ensures the training script is compatible with specific PyTorch versions; this prevents potential version-related errors for users.static_graph=True
withtorch.nn.parallel.DistributedDataParallel
(DDP) when available (PyTorch 1.11.0+) optimizes performance during training with static computational graphs, leading to potentially faster and more efficient multi-GPU training.