mirror of
https://github.com/immich-app/immich.git
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50 lines
1.6 KiB
Python
50 lines
1.6 KiB
Python
from __future__ import annotations
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from pathlib import Path
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from typing import Any
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import numpy as np
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from numpy.typing import NDArray
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from app.schemas import SessionNode
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from rknn.rknnpool import RknnPoolExecutor, soc_name
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from ..config import log, settings
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def runInference(rknn_lite: Any, input: list[NDArray[np.float32]]) -> list[NDArray[np.float32]]:
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outputs: list[NDArray[np.float32]] = rknn_lite.inference(inputs=input, data_format="nchw")
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return outputs
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class RknnSession:
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def __init__(self, model_path: Path | str):
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self.model_path = Path(str(model_path).replace("model", soc_name))
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self.tpe = settings.rknn_threads
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log.info(f"Loading RKNN model from {self.model_path} with {self.tpe} threads.")
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self.rknnpool = RknnPoolExecutor(rknnModel=self.model_path.as_posix(), tpes=self.tpe, func=runInference)
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log.info(f"Loaded RKNN model from {self.model_path} with {self.tpe} threads.")
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def __del__(self) -> None:
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self.rknnpool.release()
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def get_inputs(self) -> list[SessionNode]:
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raise NotImplementedError
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def get_outputs(self) -> list[SessionNode]:
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raise NotImplementedError
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def run(
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self,
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output_names: list[str] | None,
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input_feed: dict[str, NDArray[np.float32]] | dict[str, NDArray[np.int32]],
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run_options: Any = None,
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) -> list[NDArray[np.float32]]:
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input_data: list[NDArray[np.float32]] = [np.ascontiguousarray(v) for v in input_feed.values()]
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self.rknnpool.put(input_data)
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outputs: list[NDArray[np.float32]] = self.rknnpool.get()
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return outputs
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