onnxruntime

49511b54 - Improve performance of prune_graph in onnx_model.py (#17502)

Improve performance of prune_graph in onnx_model.py (#17502) During optimization of SDXL UNet, the prune_graph takes up to 5 minutes. The cause is to find a node in all nodes is time-consuming. This optimization will reduce the latency of prune_graph to 2 seconds. New algorithm will use a hash table (key is first node output, value is node) to speed up.