On big projects such as Chromium git goes considerably slower out of the box.
I’ve recorded git log at 15 seconds which makes it almost unusable.
https://www.git-tower.com/blog/git-performance/
# Enable Git to handle many files efficiently
git config feature.manyFiles true
# Update the index version to support new features
git update-index --index-version 4
# Enable file system monitoring for efficient updates
git config core.fsmonitor true
# Enable caching of untracked files for faster performance
git config core.untrackedcache true
# Enable commit graph features for improved performance and features
git config core.commitgraph true
# Allow Git to write the commit graph to the repository
git config fetch.writeCommitGraph true
# Run garbage collection to clean up the repository (this will take a long time to run)
git gc