mirror of
https://github.com/immich-app/immich.git
synced 2024-12-23 02:06:15 +02:00
246 lines
9.1 KiB
Python
246 lines
9.1 KiB
Python
from __future__ import annotations
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import os
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from abc import ABC, abstractmethod
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from pathlib import Path
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from shutil import rmtree
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from typing import Any
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import onnxruntime as ort
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from huggingface_hub import snapshot_download
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import ann.ann
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from app.models.constants import SUPPORTED_PROVIDERS
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from ..config import get_cache_dir, get_hf_model_name, log, settings
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from ..schemas import ModelRuntime, ModelType
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from .ann import AnnSession
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class InferenceModel(ABC):
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_model_type: ModelType
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def __init__(
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self,
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model_name: str,
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cache_dir: Path | str | None = None,
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providers: list[str] | None = None,
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provider_options: list[dict[str, Any]] | None = None,
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sess_options: ort.SessionOptions | None = None,
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preferred_runtime: ModelRuntime | None = None,
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**model_kwargs: Any,
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) -> None:
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self.loaded = False
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self.model_name = model_name
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self.cache_dir = Path(cache_dir) if cache_dir is not None else self.cache_dir_default
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self.providers = providers if providers is not None else self.providers_default
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self.provider_options = provider_options if provider_options is not None else self.provider_options_default
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self.sess_options = sess_options if sess_options is not None else self.sess_options_default
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self.preferred_runtime = preferred_runtime if preferred_runtime is not None else self.preferred_runtime_default
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def download(self) -> None:
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if not self.cached:
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log.info(
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f"Downloading {self.model_type.replace('-', ' ')} model '{self.model_name}'. This may take a while."
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)
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self._download()
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def load(self) -> None:
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if self.loaded:
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return
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self.download()
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log.info(f"Loading {self.model_type.replace('-', ' ')} model '{self.model_name}' to memory")
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self._load()
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self.loaded = True
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def predict(self, inputs: Any, **model_kwargs: Any) -> Any:
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self.load()
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if model_kwargs:
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self.configure(**model_kwargs)
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return self._predict(inputs)
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@abstractmethod
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def _predict(self, inputs: Any) -> Any: ...
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def configure(self, **model_kwargs: Any) -> None:
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pass
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def _download(self) -> None:
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ignore_patterns = [] if self.preferred_runtime == ModelRuntime.ARMNN else ["*.armnn"]
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snapshot_download(
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get_hf_model_name(self.model_name),
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cache_dir=self.cache_dir,
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local_dir=self.cache_dir,
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local_dir_use_symlinks=False,
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ignore_patterns=ignore_patterns,
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)
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@abstractmethod
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def _load(self) -> None: ...
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def clear_cache(self) -> None:
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if not self.cache_dir.exists():
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log.warning(
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f"Attempted to clear cache for model '{self.model_name}', but cache directory does not exist",
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)
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return
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if not rmtree.avoids_symlink_attacks:
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raise RuntimeError("Attempted to clear cache, but rmtree is not safe on this platform")
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if self.cache_dir.is_dir():
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log.info(f"Cleared cache directory for model '{self.model_name}'.")
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rmtree(self.cache_dir)
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else:
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log.warning(
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(
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f"Encountered file instead of directory at cache path "
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f"for '{self.model_name}'. Removing file and replacing with a directory."
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),
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)
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self.cache_dir.unlink()
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self.cache_dir.mkdir(parents=True, exist_ok=True)
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def _make_session(self, model_path: Path) -> AnnSession | ort.InferenceSession:
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if not model_path.is_file():
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onnx_path = model_path.with_suffix(".onnx")
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if not onnx_path.is_file():
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raise ValueError(f"Model path '{model_path}' does not exist")
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log.warning(
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f"Could not find model path '{model_path}'. " f"Falling back to ONNX model path '{onnx_path}' instead.",
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)
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model_path = onnx_path
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match model_path.suffix:
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case ".armnn":
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session = AnnSession(model_path)
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case ".onnx":
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cwd = os.getcwd()
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try:
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os.chdir(model_path.parent)
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session = ort.InferenceSession(
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model_path.as_posix(),
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sess_options=self.sess_options,
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providers=self.providers,
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provider_options=self.provider_options,
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)
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finally:
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os.chdir(cwd)
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case _:
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raise ValueError(f"Unsupported model file type: {model_path.suffix}")
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return session
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@property
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def model_type(self) -> ModelType:
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return self._model_type
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@property
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def cache_dir(self) -> Path:
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return self._cache_dir
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@cache_dir.setter
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def cache_dir(self, cache_dir: Path) -> None:
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self._cache_dir = cache_dir
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@property
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def cache_dir_default(self) -> Path:
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return get_cache_dir(self.model_name, self.model_type)
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@property
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def cached(self) -> bool:
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return self.cache_dir.is_dir() and any(self.cache_dir.iterdir())
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@property
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def providers(self) -> list[str]:
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return self._providers
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@providers.setter
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def providers(self, providers: list[str]) -> None:
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log.info(
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(f"Setting '{self.model_name}' execution providers to {providers}, " "in descending order of preference"),
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)
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self._providers = providers
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@property
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def providers_default(self) -> list[str]:
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available_providers = set(ort.get_available_providers())
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log.debug(f"Available ORT providers: {available_providers}")
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if (openvino := "OpenVINOExecutionProvider") in available_providers:
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device_ids: list[str] = ort.capi._pybind_state.get_available_openvino_device_ids()
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log.debug(f"Available OpenVINO devices: {device_ids}")
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gpu_devices = [device_id for device_id in device_ids if device_id.startswith("GPU")]
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if not gpu_devices:
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log.warning("No GPU device found in OpenVINO. Falling back to CPU.")
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available_providers.remove(openvino)
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return [provider for provider in SUPPORTED_PROVIDERS if provider in available_providers]
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@property
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def provider_options(self) -> list[dict[str, Any]]:
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return self._provider_options
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@provider_options.setter
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def provider_options(self, provider_options: list[dict[str, Any]]) -> None:
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log.debug(f"Setting execution provider options to {provider_options}")
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self._provider_options = provider_options
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@property
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def provider_options_default(self) -> list[dict[str, Any]]:
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options = []
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for provider in self.providers:
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match provider:
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case "CPUExecutionProvider" | "CUDAExecutionProvider":
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option = {"arena_extend_strategy": "kSameAsRequested"}
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case "OpenVINOExecutionProvider":
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option = {"device_type": "GPU_FP32"}
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case _:
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option = {}
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options.append(option)
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return options
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@property
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def sess_options(self) -> ort.SessionOptions:
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return self._sess_options
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@sess_options.setter
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def sess_options(self, sess_options: ort.SessionOptions) -> None:
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log.debug(f"Setting execution_mode to {sess_options.execution_mode.name}")
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log.debug(f"Setting inter_op_num_threads to {sess_options.inter_op_num_threads}")
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log.debug(f"Setting intra_op_num_threads to {sess_options.intra_op_num_threads}")
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self._sess_options = sess_options
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@property
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def sess_options_default(self) -> ort.SessionOptions:
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sess_options = ort.SessionOptions()
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sess_options.enable_cpu_mem_arena = False
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# avoid thread contention between models
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if settings.model_inter_op_threads > 0:
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sess_options.inter_op_num_threads = settings.model_inter_op_threads
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# these defaults work well for CPU, but bottleneck GPU
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elif settings.model_inter_op_threads == 0 and self.providers == ["CPUExecutionProvider"]:
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sess_options.inter_op_num_threads = 1
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if settings.model_intra_op_threads > 0:
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sess_options.intra_op_num_threads = settings.model_intra_op_threads
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elif settings.model_intra_op_threads == 0 and self.providers == ["CPUExecutionProvider"]:
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sess_options.intra_op_num_threads = 2
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if sess_options.inter_op_num_threads > 1:
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sess_options.execution_mode = ort.ExecutionMode.ORT_PARALLEL
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return sess_options
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@property
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def preferred_runtime(self) -> ModelRuntime:
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return self._preferred_runtime
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@preferred_runtime.setter
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def preferred_runtime(self, preferred_runtime: ModelRuntime) -> None:
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log.debug(f"Setting preferred runtime to {preferred_runtime}")
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self._preferred_runtime = preferred_runtime
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@property
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def preferred_runtime_default(self) -> ModelRuntime:
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return ModelRuntime.ARMNN if ann.ann.is_available and settings.ann else ModelRuntime.ONNX
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