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from pathlib import Path |
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from typing import List, Union |
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from uvronnx.src.utils.logger import logger |
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import numpy as np |
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from onnxruntime import (GraphOptimizationLevel, InferenceSession, |
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SessionOptions, get_available_providers, get_device) |
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class UVROrtInferSession: |
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def __init__(self, config): |
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sess_opt = SessionOptions() |
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sess_opt.log_severity_level = 4 |
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sess_opt.enable_cpu_mem_arena = False |
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sess_opt.graph_optimization_level = GraphOptimizationLevel.ORT_ENABLE_ALL |
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cuda_ep = "CUDAExecutionProvider" |
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cpu_ep = "CPUExecutionProvider" |
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cpu_provider_options = { |
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"arena_extend_strategy": "kSameAsRequested", |
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} |
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EP_list = [] |
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if ( |
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config["use_cuda"] |
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and get_device() == "GPU" |
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and cuda_ep in get_available_providers() |
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): |
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EP_list = [(cuda_ep, config[cuda_ep])] |
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EP_list.append((cpu_ep, cpu_provider_options)) |
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self._verify_model(config["model_path"]) |
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logger.info(f"Loading onnx model at {str(config['model_path'])}") |
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self.session = InferenceSession( |
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str(config["model_path"]), sess_options=sess_opt, providers=EP_list |
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) |
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if config["use_cuda"] and cuda_ep not in self.session.get_providers(): |
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logger.warning( |
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f"{cuda_ep} is not available for current env, " |
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f"the inference part is automatically shifted to be " |
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f"executed under {cpu_ep}.\n " |
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"Please ensure the installed onnxruntime-gpu version" |
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" matches your cuda and cudnn version, " |
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"you can check their relations from the offical web site: " |
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"https://onnxruntime.ai/docs/execution-providers/CUDA-ExecutionProvider.html", |
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RuntimeWarning, |
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) |
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def __call__( |
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self, input_chunk: np.ndarray |
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) -> np.ndarray: |
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input_dict = { |
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"input": input_chunk, |
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} |
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return self.session.run(None, input_dict)[0] |
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def get_input_names( |
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self, |
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): |
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return [v.name for v in self.session.get_inputs()] |
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def get_output_names( |
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self, |
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): |
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return [v.name for v in self.session.get_outputs()] |
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def get_character_list(self, key: str = "character"): |
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return self.meta_dict[key].splitlines() |
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def have_key(self, key: str = "character") -> bool: |
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self.meta_dict = self.session.get_modelmeta().custom_metadata_map |
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if key in self.meta_dict.keys(): |
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return True |
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return False |
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@staticmethod |
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def _verify_model(model_path): |
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model_path = Path(model_path) |
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if not model_path.exists(): |
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raise FileNotFoundError(f"{model_path} does not exists.") |
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if not model_path.is_file(): |
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raise FileExistsError(f"{model_path} is not a file.") |