Lazy import modules in reflex #2144
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This still needs to work with |
Instead remove all deep reflex imports, and just eager import reflex.page, since it is a simple module.
masenf
approved these changes
Nov 14, 2023
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This PR is intended to speed up the time to run
import reflex. Before we were loading everything eagerly, and it could take several seconds simply to import the package. We now offload the importing until the actual field is called, speeding up import times.On my MacBook Pro M1:
import reflex as rxBefore:
Time (mean ± σ): 2.230 s ± 0.418 s [User: 2.416 s, System: 1.922 s]
Range (min … max): 2.061 s … 3.417 s 10 runs
After:
Time (mean ± σ): 395.3 ms ± 46.2 ms [User: 272.1 ms, System: 69.7 ms]
Range (min … max): 370.5 ms … 525.2 ms