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Rollup of 3 perf-sensitive pull requests - #165031

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JonathanBrouwer wants to merge 25 commits into

rust-lang:mainfrom

JonathanBrouwer:rollup-ZvlQf3Z

Closed

Rollup of 3 perf-sensitive pull requests#165031
JonathanBrouwer wants to merge 25 commits into
rust-lang:mainfrom
JonathanBrouwer:rollup-ZvlQf3Z

Commits on Oct 26, 2026
- perf: emit field names as a concatenated string in derive(Debug) for large structs
  panstromek
  committed
  192c29c
- Add test for debug output for big struct
  panstromek
  committed
  bea7af9
- Use string contatenation strategy for fieldN helpers as well
  panstromek
  committed
  194a9a5
- Concat struct name together with field names
  panstromek
  committed
  db15c6a
- doc: cleanup comment
  panstromek
  committed
  b540852
- doc: cleanup comment
  panstromek
  committed
  f3f485e
- perf: shrink unnecessary capacity
  panstromek
  committed
  635700c
- ref: use thin_vec! macro avoid managing the capacity manually
  panstromek
  committed
  9e5308c
- perf: avoid allocating more capacity for tuples
  panstromek
  committed
  9e32779
- perf: reduce unnecessary capacity
  panstromek
  committed
  88f395a
- cln: remove args_per_field, it's now always 1 in place where it gets used
  panstromek
  committed
  4526f83
- ref: rename
  panstromek
  committed
  9dcaa68
- perf: avoid allocating expression for name for cases where it's not used
  panstromek
  committed
  b99c49b
- test: bless macro stats test
  panstromek
  committed
  3cd9cd0
- ref: put names before field values in debug helpers
  panstromek
  committed
  4719ede
- Move lang item collection to the resolver
  oli-obk
  committed
  5221654
- Instantiate a response in pieces
  nnethercote
  committed
  e360750
- Optimize `unify_query_var_values`
  nnethercote
  committed
  78a5d5e
- Special-case canonical bound vars in `unify_query_var_values`
  nnethercote
  committed
  8eb0c38
- Introduce `IsIdentity` type
  nnethercote
  committed
  eb07e9d
- Add an early return to `instantiate_and_apply_query_response`
  nnethercote
  committed
  7242cbe
- Introduce `Canonicalized` and other clarifications
  nnethercote
  committed
  474c761
Commits on Oct 27, 2026

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Rollup of 3 perf-sensitive pull requests - #165031

Rollup of 3 perf-sensitive pull requests#165031
JonathanBrouwer wants to merge 25 commits into
rust-lang:mainfrom
JonathanBrouwer:rollup-ZvlQf3Z

Commits on Oct 26, 2026

perf: emit field names as a concatenated string in derive(Debug) for large structs

Add test for debug output for big struct

Use string contatenation strategy for fieldN helpers as well

Concat struct name together with field names

doc: cleanup comment

doc: cleanup comment

perf: shrink unnecessary capacity

ref: use thin_vec! macro avoid managing the capacity manually

perf: avoid allocating more capacity for tuples

perf: reduce unnecessary capacity

cln: remove args_per_field, it's now always 1 in place where it gets used

ref: rename

perf: avoid allocating expression for name for cases where it's not used

test: bless macro stats test

ref: put names before field values in debug helpers

Move lang item collection to the resolver

Instantiate a response in pieces

Optimize `unify_query_var_values`

Special-case canonical bound vars in `unify_query_var_values`

Introduce `IsIdentity` type

Add an early return to `instantiate_and_apply_query_response`

Introduce `Canonicalized` and other clarifications

Commits on Oct 27, 2026

Rollup merge of #163525 - oli-obk:resolver_lang_items, r=petrochenkov

Rollup merge of #164234 - nnethercote:diesel-opts-2, r=lcnr

Rollup merge of #164726 - panstromek:debug-concat-more, r=nnethercote