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Remove ExtendElement, ExtendWith, extend_with #112263

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merged 1 commit into from
Jun 5, 2023
Merged

Remove ExtendElement, ExtendWith, extend_with #112263

merged 1 commit into from
Jun 5, 2023

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GrishaVar
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Related to #104624, broken up into two commits. The first removes wrapper trait ExtendWith and its only implementer struct ExtendElement. The second may have perf issues so may be reverted/removed if no alternate fix is found; it should be profiled.

r? @scottmcm

@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-libs Relevant to the library team, which will review and decide on the PR/issue. labels Jun 4, 2023
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scottmcm commented Jun 4, 2023 •
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A bunch of these could be extend_trusted, but that shouldn't affect perf (much) -- specialization will go there anyway -- so let's see what it has to say

@bors try @rust-timer queue

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@rustbot rustbot added the S-waiting-on-perf Status: Waiting on a perf run to be completed. label Jun 4, 2023
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bors commented Jun 4, 2023

⌛ Trying commit 60fb684f0881ed11f09b95f10ac06ceb7b59c83d with merge 64f8da738df8d60f9862c26333a23a9807fc7501...

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bors commented Jun 4, 2023

☀️ Try build successful - checks-actions
Build commit: 64f8da738df8d60f9862c26333a23a9807fc7501 (64f8da738df8d60f9862c26333a23a9807fc7501)

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bors commented Jun 4, 2023

☀️ Try build successful - checks-actions
Build commit: 64f8da738df8d60f9862c26333a23a9807fc7501 (64f8da738df8d60f9862c26333a23a9807fc7501)

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Finished benchmarking commit (64f8da738df8d60f9862c26333a23a9807fc7501): comparison URL.

Overall result: ❌✅ regressions and improvements - ACTION NEEDED

Benchmarking this pull request likely means that it is perf-sensitive, so we're automatically marking it as not fit for rolling up. While you can manually mark this PR as fit for rollup, we strongly recommend not doing so since this PR may lead to changes in compiler perf.

Next Steps: If you can justify the regressions found in this try perf run, please indicate this with @rustbot label: +perf-regression-triaged along with sufficient written justification. If you cannot justify the regressions please fix the regressions and do another perf run. If the next run shows neutral or positive results, the label will be automatically removed.

@bors rollup=never
@rustbot label: -S-waiting-on-perf +perf-regression

Instruction count

This is a highly reliable metric that was used to determine the overall result at the top of this comment.

mean range count
Regressions ❌
(primary)		 0.3% [0.2%, 0.5%] 9
Regressions ❌
(secondary)		 0.7% [0.2%, 1.5%] 15
Improvements ✅
(primary)		 -1.9% [-2.2%, -1.6%] 2
Improvements ✅
(secondary)		 - - 0
All ❌✅ (primary) -0.1% [-2.2%, 0.5%] 11

Max RSS (memory usage)

Results

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

mean range count
Regressions ❌
(primary)		 1.7% [0.1%, 3.4%] 2
Regressions ❌
(secondary)		 - - 0
Improvements ✅
(primary)		 -5.0% [-6.6%, -2.3%] 3
Improvements ✅
(secondary)		 -2.0% [-2.0%, -2.0%] 1
All ❌✅ (primary) -2.3% [-6.6%, 3.4%] 5

Cycles

Results

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

mean range count
Regressions ❌
(primary)		 - - 0
Regressions ❌
(secondary)		 37.6% [35.2%, 41.6%] 6
Improvements ✅
(primary)		 -3.2% [-4.4%, -1.8%] 8
Improvements ✅
(secondary)		 - - 0
All ❌✅ (primary) -3.2% [-4.4%, -1.8%] 8

Binary size

Results

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

mean range count
Regressions ❌
(primary)		 0.5% [0.1%, 1.1%] 37
Regressions ❌
(secondary)		 - - 0
Improvements ✅
(primary)		 -0.1% [-0.1%, -0.0%] 4
Improvements ✅
(secondary)		 - - 0
All ❌✅ (primary) 0.5% [-0.1%, 1.1%] 41

Bootstrap: 647.947s -> 647.684s (-0.04%)

@rustbot rustbot added perf-regression Performance regression. and removed S-waiting-on-perf Status: Waiting on a perf run to be completed. labels Jun 4, 2023
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Yep, removing extend_with didn't pass the perf. I've removed that commit, so only the trait and struct are gone now and the history shouldn't be impacted.

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scottmcm commented Jun 4, 2023

This is almost certainly fine, but let's check just in case
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@rustbot rustbot added the S-waiting-on-perf Status: Waiting on a perf run to be completed. label Jun 4, 2023
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bors commented Jun 4, 2023

⌛ Trying commit dd2bd03 with merge 68e15f2f9b898ba290518cda088c897131d2c512...

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bors commented Jun 4, 2023

☀️ Try build successful - checks-actions
Build commit: 68e15f2f9b898ba290518cda088c897131d2c512 (68e15f2f9b898ba290518cda088c897131d2c512)

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Finished benchmarking commit (68e15f2f9b898ba290518cda088c897131d2c512): comparison URL.

Overall result: no relevant changes - no action needed

Benchmarking this pull request likely means that it is perf-sensitive, so we're automatically marking it as not fit for rolling up. While you can manually mark this PR as fit for rollup, we strongly recommend not doing so since this PR may lead to changes in compiler perf.

@bors rollup=never
@rustbot label: -S-waiting-on-perf -perf-regression

Instruction count

This benchmark run did not return any relevant results for this metric.

Max RSS (memory usage)

Results

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

mean range count
Regressions ❌
(primary)		 2.4% [2.4%, 2.4%] 1
Regressions ❌
(secondary)		 1.8% [1.2%, 2.3%] 3
Improvements ✅
(primary)		 -1.4% [-1.4%, -1.4%] 1
Improvements ✅
(secondary)		 - - 0
All ❌✅ (primary) 0.5% [-1.4%, 2.4%] 2

Cycles

This benchmark run did not return any relevant results for this metric.

Binary size

Results

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

mean range count
Regressions ❌
(primary)		 0.1% [0.1%, 0.1%] 3
Regressions ❌
(secondary)		 - - 0
Improvements ✅
(primary)		 -0.1% [-0.1%, -0.0%] 23
Improvements ✅
(secondary)		 - - 0
All ❌✅ (primary) -0.1% [-0.1%, 0.1%] 26

Bootstrap: 645.472s -> 646.928s (0.23%)

@rustbot rustbot removed S-waiting-on-perf Status: Waiting on a perf run to be completed. perf-regression Performance regression. labels Jun 4, 2023
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scottmcm commented Jun 4, 2023

@bors r+ rollup

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bors commented Jun 4, 2023

📌 Commit dd2bd03 has been approved by scottmcm

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 4, 2023
@GuillaumeGomez GuillaumeGomez mentioned this pull request Jun 5, 2023
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bors added a commit to rust-lang-ci/rust that referenced this pull request Jun 5, 2023
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Auto merge of rust-lang#112317 - GuillaumeGomez:rollup-toh0gpo, r=Gui…
408bbd0 
…llaumeGomez

Rollup of 6 pull requests

Successful merges:

 - rust-lang#112243 (Remove unneeded `Buffer` allocations when `&mut fmt::Write` can be used directly)
 - rust-lang#112263 (Remove ExtendElement, ExtendWith, extend_with)
 - rust-lang#112291 (Disable RustAnalyzer check by default, run Rustfmt check before)
 - rust-lang#112299 (Don't double-print status messages in GHA)
 - rust-lang#112311 (Ignore fluent message reordering in `git blame`)
 - rust-lang#112315 (fix spelling error)

Failed merges:

 - rust-lang#112251 (rustdoc: convert `if let Some()` that always matches to variable)

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit 200d03a into rust-lang:master Jun 5, 2023
@rustbot rustbot added this to the 1.72.0 milestone Jun 5, 2023
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