00d48d9c30
* Add enhanced partitioning utils and convert internal testing EP to use it. Will convert NNAPI EP once checked in. Background: Currently most EPs do their partitioning by iterating the model in the topologically sorted order. Whilst this works, it doesn’t ensure that all nodes which could possibly be added to the current group are, as the group is closed as when the first unsupported node is seen. Changes: - Ask EP for all nodes it supports first - Do partitioning aware topological sort - Groups nodes and flips between processing supported and unsupported nodes to maximise inputs that will be available for each partition - Create groups of nodes for the partition using the new order of nodes - Create ComputeCapability for each group There’s also an additional ability to specify operators to stop at. The processing will find all downstream nodes from ‘stop at’ operators and exclude them. If NonMaxSuppression is specified we can prevent the post-processing from SSD Mobilenet and MobileDet attempting to use NNAPI (so easy way to have parity with the TF Lite behavior). I don’t think there’s an automated way to determine what if any ‘stop at’ operators are required for a model, so this will need to be a configuration parameter for the EP and we’ll need to document recommended values for popular models. |
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ONNX Runtime is a cross-platform inference and training machine-learning accelerator.
ONNX Runtime inference can enable faster customer experiences and lower costs, supporting models from deep learning frameworks such as PyTorch and TensorFlow/Keras as well as classical machine learning libraries such as scikit-learn, LightGBM, XGBoost, etc. ONNX Runtime is compatible with different hardware, drivers, and operating systems, and provides optimal performance by leveraging hardware accelerators where applicable alongside graph optimizations and transforms. Learn more →
ONNX Runtime training can accelerate the model training time on multi-node NVIDIA GPUs for transformer models with a one-line addition for existing PyTorch training scripts. Learn more →
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