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Tweak -Zmacro-stats measurement. #142934

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Jun 25, 2025
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nnethercote
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It currently reports net size, i.e. size(output) - size(input). After some use I think this is sub-optimal, and it's better to just report size(output). Because for derive macros the input size is always 1, and for attribute macros it's almost always 1.

r? @petrochenkov

It currently reports net size, i.e. size(output) - size(input). After
some use I think this is sub-optimal, and it's better to just report
size(output). Because for derive macros the input size is always 1, and
for attribute macros it's almost always 1.
@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Jun 23, 2025
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@bors r+ rollup

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bors commented Jun 24, 2025

📌 Commit c3200c3 has been approved by petrochenkov

It is now in the queue for this repository.

@bors bors 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 Jun 24, 2025
workingjubilee added a commit to workingjubilee/rustc that referenced this pull request Jun 24, 2025
…etrochenkov

Tweak `-Zmacro-stats` measurement.

It currently reports net size, i.e. size(output) - size(input). After some use I think this is sub-optimal, and it's better to just report size(output). Because for derive macros the input size is always 1, and for attribute macros it's almost always 1.

r? `@petrochenkov`
workingjubilee added a commit to workingjubilee/rustc that referenced this pull request Jun 25, 2025
…etrochenkov

Tweak `-Zmacro-stats` measurement.

It currently reports net size, i.e. size(output) - size(input). After some use I think this is sub-optimal, and it's better to just report size(output). Because for derive macros the input size is always 1, and for attribute macros it's almost always 1.

r? ``@petrochenkov``
bors added a commit that referenced this pull request Jun 25, 2025
Rollup of 15 pull requests

Successful merges:

 - #135731 (Implement parsing of pinned borrows)
 - #138780 (Add `#[loop_match]` for improved DFA codegen)
 - #142453 (Windows: make `read_dir` stop iterating after the first error is encountered)
 - #142633 (Error on invalid signatures for interrupt ABIs)
 - #142768 (Avoid a bitcast FFI call in transmuting)
 - #142825 (Port `#[track_caller]` to the new attribute system)
 - #142844 (Enable short-ice for Windows)
 - #142934 (Tweak `-Zmacro-stats` measurement.)
 - #142955 (Couple of test suite fixes for cg_clif)
 - #142977 (rustdoc: Don't mark `#[target_feature]` functions as ⚠)
 - #142980 (Reduce mismatched-lifetime-syntaxes suggestions to MaybeIncorrect)
 - #142982 (Corrected spelling mistake in c_str.rs)
 - #142983 (Taint body on invalid call ABI)
 - #142988 (Update wasm-component-ld to 0.5.14)
 - #142993 (Update cargo)

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit b563109 into rust-lang:master Jun 25, 2025
10 checks passed
@rustbot rustbot added this to the 1.90.0 milestone Jun 25, 2025
rust-timer added a commit that referenced this pull request Jun 25, 2025
Rollup merge of #142934 - nnethercote:tweak-macro-stats, r=petrochenkov

Tweak `-Zmacro-stats` measurement.

It currently reports net size, i.e. size(output) - size(input). After some use I think this is sub-optimal, and it's better to just report size(output). Because for derive macros the input size is always 1, and for attribute macros it's almost always 1.

r? ```@petrochenkov```
@nnethercote nnethercote deleted the tweak-macro-stats branch June 25, 2025 21:14
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4 participants