Reduce pre-compilation time

[juliohm]

The pre-compilation of backends is taking an absurd amount of time. We need to find and fix possible invalidations.

[juliohm]

Any attempt that can reduce the precompilation time to 70% of the current time gets a /bounty $50

[algora-pbc]

💎 $50 bounty • JuliaEarth

Steps to solve:

1. Start working: Comment /attempt #23 with your implementation plan
2. Submit work: Create a pull request including /claim #23 in the PR body to claim the bounty
3. Receive payment: 100% of the bounty is received 2-5 days post-reward. Make sure you are eligible for payouts

Thank you for contributing to JuliaEarth/GeoIO.jl!

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[Omar-Elrefaei]

Hi @juliohm, I've been taking a stab at this, but it's proving to be slightly more involved than I expected.
So to clarify, by "precompilation time" would you mean the hot second or third using GeoIO time after user install. Or do you mean the using GeoIO time after a modification during development?

[juliohm]

Hi @Omar-Elrefaei, we have a precompile.jl file that loads small artifact files stored in the repository to trigger precompilation of backends. You could start by timing the impact of each precompile.jl line on the total precompilation time. Then, you can use this information to focus your investigation on the top results.

Thank you for considering the issue!