Add Incremental System Rethought Project Goal #439
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nikomatsakis
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Jan 5, 2026
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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. | ||
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| ### The next 6 months |
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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?
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This may also be something best discussed with a champion.
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Oh, I completely went over this section. I'll add a roadmap
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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
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