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Enable OpenVINO CPU acceleration in Immich

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This commit is contained in:
Aleksander 2025-10-15 03:21:07 -07:00
parent 02beb85642
commit 0145c04f0a
2 changed files with 58 additions and 4 deletions
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32
machine-learning/immich_ml/sessions/ort.py
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@ -66,9 +66,8 @@ class OrtSession:
device_ids: list[str] = ort.capi._pybind_state.get_available_openvino_device_ids()
log.debug(f"Available OpenVINO devices: {device_ids}")
gpu_devices = [device_id for device_id in device_ids if device_id.startswith("GPU")]
if not gpu_devices:
log.warning("No GPU device found in OpenVINO. Falling back to CPU.")
if not device_ids:
log.warning("No device found in OpenVINO. Falling back to CPU.")
available_providers.remove(openvino)
return [provider for provider in SUPPORTED_PROVIDERS if provider in available_providers]
@ -91,8 +90,17 @@ class OrtSession:
case "CUDAExecutionProvider" | "ROCMExecutionProvider":
options = {"arena_extend_strategy": "kSameAsRequested", "device_id": settings.device_id}
case "OpenVINOExecutionProvider":
device_ids: list[str] = ort.capi._pybind_state.get_available_openvino_device_ids()
# Check for available devices, preferring GPU over CPU
gpu_devices = [d for d in device_ids if d.startswith("GPU")]
if gpu_devices:
device_type = f"GPU.{settings.device_id}"
log.debug(f"OpenVINO: Using GPU device {device_type}")
else:
device_type = "CPU"
log.debug("OpenVINO: No GPU found, using CPU")
options = {
"device_type": f"GPU.{settings.device_id}",
"device_type": device_type,
"precision": "FP32",
"cache_dir": (self.model_path.parent / "openvino").as_posix(),
}
@ -126,18 +134,34 @@ class OrtSession:
sess_options.enable_cpu_mem_arena = settings.model_arena
# avoid thread contention between models
# Set inter_op threads
if settings.model_inter_op_threads > 0:
sess_options.inter_op_num_threads = settings.model_inter_op_threads
# these defaults work well for CPU, but bottleneck GPU
elif settings.model_inter_op_threads == 0 and self.providers == ["CPUExecutionProvider"]:
sess_options.inter_op_num_threads = 1
elif settings.model_inter_op_threads == 0 and (
"OpenVINOExecutionProvider" in self.providers and self._provider_options[0].get("device_type") == "CPU"
):
sess_options.inter_op_num_threads = 1
# Set intra_op threads
if settings.model_intra_op_threads > 0:
sess_options.intra_op_num_threads = settings.model_intra_op_threads
elif settings.model_intra_op_threads == 0 and self.providers == ["CPUExecutionProvider"]:
sess_options.intra_op_num_threads = 2
elif settings.model_intra_op_threads == 0 and (
"OpenVINOExecutionProvider" in self.providers and self._provider_options[0].get("device_type") == "CPU"
):
sess_options.intra_op_num_threads = 1
if sess_options.inter_op_num_threads > 1:
sess_options.execution_mode = ort.ExecutionMode.ORT_PARALLEL
log.debug(
f"_sess_options_default returning: "
f"inter_op_num_threads={getattr(sess_options, 'inter_op_num_threads', None)}, "
f"intra_op_num_threads={getattr(sess_options, 'intra_op_num_threads', None)}, "
f"execution_mode={getattr(sess_options, 'execution_mode', None)}"
)
return sess_options