# Bug: \[W NNPACK.cpp:80\] Could not initialize NNPACK! Reason: Unsupported hardware

**URL:** <https://discuss.pytorch.org/t/bug-w-nnpack-cpp-80-could-not-initialize-nnpack-reason-unsupported-hardware/107518>\
**Category:** Uncategorized\
**Created:** [December 30, 2020, 2:30pm UTC](https://discuss.pytorch.org/t/bug-w-nnpack-cpp-80-could-not-initialize-nnpack-reason-unsupported-hardware/107518 "2020-12-30T14:30:59Z")\
**Posts on this page:** 1\
**Showing post:** 4

<div class="post-metadata">

**Author:** ![ptrblck](https://discuss.pytorch.org/user_avatar/discuss.pytorch.org/ptrblck/32/1823_2.png) [@ptrblck](https://discuss.pytorch.org/u/ptrblck)\
**Post date:** [January 9, 2021, 7:22am UTC](https://discuss.pytorch.org/t/bug-w-nnpack-cpp-80-could-not-initialize-nnpack-reason-unsupported-hardware/107518/4 "2021-01-09T07:22:01Z")

</div>

You can pass `USE_NNPACK=0` to the `setup.py` following the instructions to build from source from [here](https://github.com/pytorch/pytorch#from-source).

---

_[View the full topic](https://discuss.pytorch.org/t/bug-w-nnpack-cpp-80-could-not-initialize-nnpack-reason-unsupported-hardware/107518)._