# Importing pymc and sampling are slow on MacBook (I get blas warning)

**URL:** <https://discourse.pymc.io/t/importing-pymc-and-sampling-are-slow-on-macbook-i-get-blas-warning/12648>\
**Category:** v5\
**Tags:** installation\
**Created:** [August 3, 2023, 8:54am UTC](https://discourse.pymc.io/t/importing-pymc-and-sampling-are-slow-on-macbook-i-get-blas-warning/12648 "2023-08-03T08:54:41Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![jessegrabowski](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.pymc.io/jessegrabowski/32/5010_2.png) [@jessegrabowski](https://discourse.pymc.io/u/jessegrabowski)\
**Post date:** [August 3, 2023, 9:52am UTC](https://discourse.pymc.io/t/importing-pymc-and-sampling-are-slow-on-macbook-i-get-blas-warning/12648/2 "2023-08-03T09:52:33Z")

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Have you installed the [accelerate BLAS](https://discourse.pymc.io/t/performance-tip-if-youre-on-arm64-apples-m1-m2-chips-install-accelerate/12495) that is compatible with Apple silicon?

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_[View the full topic](https://discourse.pymc.io/t/importing-pymc-and-sampling-are-slow-on-macbook-i-get-blas-warning/12648)._