# Executing the first po takes like 20-30 minutes when debugging a large application

**URL:** <https://forums.swift.org/t/executing-the-first-po-takes-like-20-30-minutes-when-debugging-a-large-application/80135>\
**Category:** Using Swift\
**Tags:** lldb\
**Created:** [May 26, 2025, 12:58pm UTC](https://forums.swift.org/t/executing-the-first-po-takes-like-20-30-minutes-when-debugging-a-large-application/80135 "2025-05-26T12:58:59Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![viktorsimko-rev](https://sea2.discourse-cdn.com/swift/user_avatar/forums.swift.org/viktorsimko-rev/32/40982_2.png) [@viktorsimko-rev](https://forums.swift.org/u/viktorsimko-rev)\
**Post date:** [May 30, 2025, 11:42am UTC](https://forums.swift.org/t/executing-the-first-po-takes-like-20-30-minutes-when-debugging-a-large-application/80135/2 "2025-05-30T11:42:43Z")

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Maybe it's related to this: [Lldb is slow to resolve local vars - #5 by beefon](https://forums.swift.org/t/lldb-is-slow-to-resolve-local-vars/32517/5)  
@Adrian_Prantl I'd appreciate if you could take a look on this as well.

Here is the full sample over 60s: [lldb-sample.txt · GitHub](https://gist.github.com/viktorsimko-rev/285a3ef33392d39ca29d0bbbd0a9156d)

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