Add Incremental System Rethought Project Goal#439
Merged
nikomatsakis merged 2 commits intorust-lang:mainfrom Jan 7, 2026
Merged
Add Incremental System Rethought Project Goal#439nikomatsakis merged 2 commits intorust-lang:mainfrom
nikomatsakis merged 2 commits intorust-lang:mainfrom
Conversation
nikomatsakis
approved these changes
Jan 5, 2026
Contributor
nikomatsakis
left a comment
nikomatsakis
left a comment
There was a problem hiding this comment.
This looks good. I'll look into the question of champion from the compiler team side.
| Summing to the already slow compilation times, having to rebuild the workspace on every different command is a pain | ||
| point discovered in the performance survey. | ||
|
|
||
| ### The next 6 months |
Contributor
There was a problem hiding this comment.
Can you sketch out a bit more of what you think you can get done in 6 months to a year? The basic goal here, I assume, is that this is largely invisible to users, it's just that things go faster?
Contributor
There was a problem hiding this comment.
This may also be something best discussed with a champion.
Member
Author
There was a problem hiding this comment.
Oh, I completely went over this section. I'll add a roadmap
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Design, propose, and implement a redesign of the incremental system to allow for shared common bases between different Rustc invocations with different arguments (i.e.
cargo buildandcargo check)There's already an on-going RFC.
As my other project goals, this is a formalization of an already existing effort.
cc rust-lang/rfcs#3881
Rendered