Some more per owner things by oli-obk · Pull Request #157100 · rust-lang/rust

oli-obk · 2026-05-29T08:50:46Z

A few easy ones to turn from a global hash table to a hash table (or even a bool) per owner, but still have to check perf first.

r? @petrochenkov

oli-obk · 2026-05-29T08:50:56Z

@bors try @rust-timer queue

Some more per owner things

rust-bors · 2026-05-29T11:00:34Z

☀️ Try build successful (CI)
Build commit: 40871fa (40871faace74f2aa45e2b2d4233be219fcb14d30, parent: dc375db7d8df0aa450e622c529147c95eee756f5)

rust-timer · 2026-05-29T11:41:47Z

Finished benchmarking commit (40871fa): comparison URL.

Overall result: ❌✅ regressions and improvements - no action needed

Benchmarking means the PR may be perf-sensitive. Consider adding rollup=never if this change is not fit for rolling up.

@rustbot label: -S-waiting-on-perf -perf-regression

Instruction count

Our most reliable metric. Used to determine the overall result above. However, even this metric can be noisy.

	mean	range	count
Regressions ❌ (primary)	0.1%	[0.1%, 0.1%]	1
Regressions ❌ (secondary)	0.6%	[0.1%, 1.1%]	2
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-0.1%	[-0.1%, -0.0%]	2
All ❌✅ (primary)	0.1%	[0.1%, 0.1%]	1

Max RSS (memory usage)

Results (primary -4.0%, secondary 2.6%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	4.6%	[1.5%, 10.2%]	10
Improvements ✅ (primary)	-4.0%	[-6.2%, -1.7%]	2
Improvements ✅ (secondary)	-7.3%	[-9.3%, -5.4%]	2
All ❌✅ (primary)	-4.0%	[-6.2%, -1.7%]	2

Cycles

Results (primary 3.6%, secondary 3.8%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

	mean	range	count
Regressions ❌ (primary)	3.6%	[2.2%, 5.0%]	2
Regressions ❌ (secondary)	3.8%	[2.5%, 6.6%]	7
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	3.6%	[2.2%, 5.0%]	2

Binary size

This perf run didn't have relevant results for this metric.

Bootstrap: 510.27s -> 510.262s (-0.00%)
Artifact size: 400.65 MiB -> 400.65 MiB (-0.00%)

oli-obk · 2026-05-29T12:59:01Z

Spurious CI network failure.
Perf is just noise

petrochenkov · 2026-05-29T13:06:40Z

@bors r+ rollup=maybe

rust-bors · 2026-05-29T13:06:44Z

📌 Commit b69baba has been approved by petrochenkov

It is now in the queue for this repository.

🌲 The tree is currently closed for pull requests below priority 1. This pull request will be tested once the tree is reopened.

@petrochenkov

…, r=petrochenkov Some more per owner things A few easy ones to turn from a global hash table to a hash table (or even a bool) per owner, but still have to check perf first. r? @petrochenkov

…uwer Rollup of 9 pull requests Successful merges: - #156963 (definitions: remove `DefPathTable`, use `LocalDefId` instead of `DefIndex`) - #157053 (Eagerly resolve delegations in late resolution) - #157068 (NVPTX: Remove the unstable ptx linker flavor) - #157076 (Various proc-macro related code cleanups) - #157100 (Some more per owner things) - #157065 (Stabilize `Path::is_empty`) - #157070 (Remove `skip_arg` attribute from `Diagnostic` and `Subdiagnostic` proc-macros) - #157088 (Improve suggestions for malformed deprecated attribute) - #157103 (Add reproducibly failing tests for parallel frontend)

…uwer Rollup of 11 pull requests Successful merges: - #156960 (Some cleanups around passing extra lifetime params from the resolver to ast lowering) - #156963 (definitions: remove `DefPathTable`, use `LocalDefId` instead of `DefIndex`) - #157053 (Eagerly resolve delegations in late resolution) - #157068 (NVPTX: Remove the unstable ptx linker flavor) - #157076 (Various proc-macro related code cleanups) - #157106 (add ABI check logic for wasm) - #154835 (std::offload sharedmem) - #157065 (Stabilize `Path::is_empty`) - #157070 (Remove `skip_arg` attribute from `Diagnostic` and `Subdiagnostic` proc-macros) - #157088 (Improve suggestions for malformed deprecated attribute) - #157103 (Add reproducibly failing tests for parallel frontend) Failed merges: - #157100 (Some more per owner things)

…uwer Rollup of 11 pull requests Successful merges: - #149195 (resolve: Partially convert `ambiguous_glob_imports` lint into a hard error) - #156960 (Some cleanups around passing extra lifetime params from the resolver to ast lowering) - #156963 (definitions: remove `DefPathTable`, use `LocalDefId` instead of `DefIndex`) - #157053 (Eagerly resolve delegations in late resolution) - #157068 (NVPTX: Remove the unstable ptx linker flavor) - #157076 (Various proc-macro related code cleanups) - #157106 (add ABI check logic for wasm) - #154835 (std::offload sharedmem) - #157065 (Stabilize `Path::is_empty`) - #157088 (Improve suggestions for malformed deprecated attribute) - #157103 (Add reproducibly failing tests for parallel frontend) Failed merges: - #157100 (Some more per owner things)

…uwer Rollup of 16 pull requests Successful merges: - #149195 (resolve: Partially convert `ambiguous_glob_imports` lint into a hard error) - #156960 (Some cleanups around passing extra lifetime params from the resolver to ast lowering) - #156963 (definitions: remove `DefPathTable`, use `LocalDefId` instead of `DefIndex`) - #157053 (Eagerly resolve delegations in late resolution) - #157068 (NVPTX: Remove the unstable ptx linker flavor) - #157076 (Various proc-macro related code cleanups) - #157106 (add ABI check logic for wasm) - #154835 (std::offload sharedmem) - #157065 (Stabilize `Path::is_empty`) - #157088 (Improve suggestions for malformed deprecated attribute) - #157098 (Add the `clflushopt` x86 target feature) - #157103 (Add reproducibly failing tests for parallel frontend) - #157111 (Update target maintainer for x86_64-unknown-linux-none) - #157116 (rustc_public: add `with_cx()` to `CompilerInterface`) - #157119 (ast_lowering: Simplify `resolve_pin_drop_sugar_impl_item`) - #157120 (Cleanups around attribute target checking) Failed merges: - #157100 (Some more per owner things)

@petrochenkov

…, r=petrochenkov Some more per owner things A few easy ones to turn from a global hash table to a hash table (or even a bool) per owner, but still have to check perf first. r? @petrochenkov

…n()` syntax registrations of it, they are never used

rustbot · 2026-05-30T08:16:31Z

This PR was rebased onto a different main commit. Here's a range-diff highlighting what actually changed.

Rebasing is a normal part of keeping PRs up to date, so no action is needed—this note is just to help reviewers.

oli-obk · 2026-05-30T08:16:55Z

@bors r=petrochenkov

rust-bors · 2026-05-30T08:16:58Z

📌 Commit b7ea5d8 has been approved by petrochenkov

It is now in the queue for this repository.

🌲 The tree is currently closed for pull requests below priority 1. This pull request will be tested once the tree is reopened.

rustbot assigned petrochenkov May 29, 2026

rustbot added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels May 29, 2026

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rustbot added the S-waiting-on-perf Status: Waiting on a perf run to be completed. label May 29, 2026

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rust-bors Bot pushed a commit that referenced this pull request May 29, 2026

Auto merge of #157100 - oli-obk:some_more_per_owner_things, r=<try>

40871fa

Some more per owner things

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rustbot removed the S-waiting-on-perf Status: Waiting on a perf run to be completed. label May 29, 2026

oli-obk marked this pull request as ready for review May 29, 2026 12:58

rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels May 29, 2026

rust-bors Bot added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels May 29, 2026

JonathanBrouwer mentioned this pull request May 29, 2026

Rollup of 9 pull requests #157109

Closed

JonathanBrouwer mentioned this pull request May 29, 2026

Rollup of 11 pull requests #157113

Closed

JonathanBrouwer mentioned this pull request May 29, 2026

Rollup of 11 pull requests #157114

Closed

JonathanBrouwer mentioned this pull request May 29, 2026

Rollup of 16 pull requests #157121

Merged

JonathanBrouwer mentioned this pull request May 30, 2026

Rollup of 9 pull requests #157142

Closed

rust-bors Bot added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels May 30, 2026

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oli-obk added 4 commits May 30, 2026 10:09

Use default field values to avoid some churn

e83d369

Track lifetime_elision_allowed per owner, and discard fn ptr and `F…

fec4545

…n()` syntax registrations of it, they are never used

Track label_res_map per-owner

5b37028

Track lifetimes_res_map per owner

b7ea5d8

oli-obk force-pushed the some_more_per_owner_things branch from b69baba to b7ea5d8 Compare May 30, 2026 08:16

rust-bors Bot added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels May 30, 2026

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Some more per owner things#157100

Some more per owner things#157100
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rust-timer commented May 29, 2026

Overall result: ❌✅ regressions and improvements - no action needed

Instruction count

Max RSS (memory usage)

Cycles

Binary size

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