# About Numba LLVM 20 support and Better PTX control

**URL:** <https://numba.discourse.group/t/about-numba-llvm-20-support-and-better-ptx-control/3015>\
**Category:** Numba\
**Created:** [June 14, 2025, 11:19am UTC](https://numba.discourse.group/t/about-numba-llvm-20-support-and-better-ptx-control/3015 "2025-06-14T11:19:43Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![hbina](https://yyz2.discourse-cdn.com/free1/user_avatar/numba.discourse.group/hbina/32/1174_2.png) [@hbina](https://numba.discourse.group/u/hbina)\
**Post date:** [June 16, 2025, 2:56am UTC](https://numba.discourse.group/t/about-numba-llvm-20-support-and-better-ptx-control/3015/2 "2025-06-16T02:56:01Z")

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Some folks from NVIDIA updated numba to use LLVM 20 and seen performance improvements. Not sure if they have published the source yet. Here’s the thread: [Improving Numba for CPU workloads](https://numba.discourse.group/t/improving-numba-for-cpu-workloads/3000)

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_[View the full topic](https://numba.discourse.group/t/about-numba-llvm-20-support-and-better-ptx-control/3015)._