# 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:** 9

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**Author:** ![jonsedar](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.pymc.io/jonsedar/32/2590_2.png) [@jonsedar](https://discourse.pymc.io/u/jonsedar)\
**Post date:** [August 3, 2023, 2:54pm UTC](https://discourse.pymc.io/t/importing-pymc-and-sampling-are-slow-on-macbook-i-get-blas-warning/12648/9 "2023-08-03T14:54:29Z")

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I just noted my current magic incantation here: [Performance tip if you're on ARM64 (Apple's M1/M2 chips): Install accelerate - #7 by jonsedar](https://discourse.pymc.io/t/performance-tip-if-youre-on-arm64-apples-m1-m2-chips-install-accelerate/12495/7)

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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)._