Mobilint NPU Python
Shared runtime support for applications that run MXQ models on Mobilint NPUs or ONNX models through ONNX Runtime.
mblt-npu-python provides the common backend, device-selection rules, Hugging Face
artifact resolution, and model-detail logging used by Mobilint Python packages. It
is a library dependency, rather than an end-user model catalog.
Version 0.0.0 is the initial standalone release.
logging ships here rather than with its only caller because the two are mutually
dependent — npu_backend imports log_model_details, and log_model_details reads
a MobilintNPUBackend's fields.
Installation
pip install mblt-npu-python
This package requires a supported Linux environment with
mobilint-qb-runtime available
and Python 3.10 through 3.12.
Public API
Import the backend from mblt_npu:
from mblt_npu import MobilintNPUBackend
backend = MobilintNPUBackend(
mxq_path="model.mxq",
core_mode="single",
)
backend.create()
try:
backend.launch()
outputs = backend.mxq_model.infer([input_tensor])
finally:
backend.dispose()
MobilintNPUBackend selects the appropriate implementation from
target_device (default: "aries-rb"). "aries-rb" selects
MobilintAriesBackend; "regulus-ra" and "regulus-rb" select
MobilintRegulusBackend. The former generic values "aries" and "regulus"
remain accepted when loading older configurations.
backend_class_for() and BACKEND_CLASSES are available for integrations that
need to inspect the supported targets.
For ONNX inference, install the optional runtime extra and use ONNXBackend:
pip install "mblt-npu-python[onnxruntime]"
from mblt_npu import ONNXBackend
backend = ONNXBackend("model.onnx")
backend.create()
outputs = backend({"images": input_array})
backend.dispose()
ONNXBackend imports onnxruntime only when it creates a session.
Most users should access the backend through a model package such as
mblt-vision-python, which owns
model configuration, preprocessing, and postprocessing.
Testing helpers
The optional test extra provides a shared pytest plugin with NPU options and the
npu_params fixture used by Mobilint package test suites:
pip install "mblt-npu-python[test]"
Import mblt_npu.pytest_plugin from a repository's root tests/conftest.py to
register its options. The plugin is intentionally not auto-registered, so projects
control when those command-line options are exposed.
Support and issues
For installation, runtime, or integration support, visit the Mobilint forum. Report reproducible package issues in the mblt-npu-python issue tracker.
License
Distributed under the BSD 3-Clause License.
1 maintainer
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