[harshreality]

The hash function may not matter for overall git performance in virtually all dev machine setups, but there will be a (maybe tiny, maybe larger, depending on the repo and disk io speed) difference in cpu utilization and heat generation, right?

[copperx]

That's a silly thing to worry about when you're developing Ruby or Java applications. My PC boots faster than the Rails console or IntelliJ.

[harshreality]

The broader point is this: code repositories are not the only things git is used for.

[dakull]

JRuby?