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Reduce some function calls in the query system #108134

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@Zoxc Zoxc commented Feb 16, 2023

This reduces size of rustc_driver by 0.54% and seems to be a minor performance improvement.

BenchmarkBeforeAfter
TimeTime%
🟣 clap:check1.8112s1.8054s -0.32%
🟣 hyper:check0.2649s0.2653s 0.14%
🟣 regex:check1.0065s1.0048s -0.17%
🟣 syn:check1.6226s1.6235s 0.05%
🟣 syntex_syntax:check6.3298s6.3087s -0.33%
Total11.0351s11.0077s -0.25%
Summary1.0000s0.9987s -0.13%

r? @cjgillot

@rustbot rustbot added A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) 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 Feb 16, 2023
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@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 Feb 17, 2023
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bors commented Feb 17, 2023

⌛ Trying commit 94146553887d8ff47a239c0a32a33d250ba401ee with merge ef23c542de4fffd170497d3e0790d2659ca1e397...

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bors commented Feb 17, 2023

☀️ Try build successful - checks-actions
Build commit: ef23c542de4fffd170497d3e0790d2659ca1e397 (ef23c542de4fffd170497d3e0790d2659ca1e397)

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bors commented Feb 17, 2023

☀️ Try build successful - checks-actions
Build commit: ef23c542de4fffd170497d3e0790d2659ca1e397 (ef23c542de4fffd170497d3e0790d2659ca1e397)

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Finished benchmarking commit (ef23c542de4fffd170497d3e0790d2659ca1e397): comparison URL.

Overall result: ❌ regressions - 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)
0.5% [0.2%, 1.0%] 86
Regressions ❌
(secondary)
0.5% [0.2%, 0.8%] 20
Improvements ✅
(primary)
- - 0
Improvements ✅
(secondary)
- - 0
All ❌✅ (primary) 0.5% [0.2%, 1.0%] 86

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)
- - 0
Regressions ❌
(secondary)
- - 0
Improvements ✅
(primary)
-2.4% [-3.4%, -1.5%] 2
Improvements ✅
(secondary)
-1.9% [-3.2%, -0.4%] 3
All ❌✅ (primary) -2.4% [-3.4%, -1.5%] 2

Cycles

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

@rustbot rustbot added perf-regression Performance regression. and removed S-waiting-on-perf Status: Waiting on a perf run to be completed. labels Feb 17, 2023
@cjgillot cjgillot 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-review Status: Awaiting review from the assignee but also interested parties. labels Feb 17, 2023
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oli-obk commented Feb 20, 2023

@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 Feb 20, 2023
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bors commented Feb 20, 2023

⌛ Trying commit 1a55493d23268517b187eb3901f0dd3848652631 with merge 404d2ff9b632c36f5dd5a5db67d0efbce0afe3da...

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bors commented Feb 20, 2023

☀️ Try build successful - checks-actions
Build commit: 404d2ff9b632c36f5dd5a5db67d0efbce0afe3da (404d2ff9b632c36f5dd5a5db67d0efbce0afe3da)

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Finished benchmarking commit (404d2ff9b632c36f5dd5a5db67d0efbce0afe3da): comparison URL.

Overall result: ✅ improvements - 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 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
Regressions ❌
(secondary)
- - 0
Improvements ✅
(primary)
- - 0
Improvements ✅
(secondary)
-0.3% [-0.3%, -0.3%] 1
All ❌✅ (primary) - - 0

Max RSS (memory usage)

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

Cycles

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

@rustbot rustbot removed S-waiting-on-perf Status: Waiting on a perf run to be completed. perf-regression Performance regression. labels Feb 20, 2023
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Zoxc commented Feb 22, 2023

This could use another perf run now that the bootstrap timings is supposedly back.

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lqd commented Feb 22, 2023

@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 Feb 22, 2023
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bors commented Feb 22, 2023

⌛ Trying commit 1a55493d23268517b187eb3901f0dd3848652631 with merge c48567d7f1a8a637f4dc84ae478d9e14ec5f53c6...

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bors commented Feb 22, 2023

☀️ Try build successful - checks-actions
Build commit: c48567d7f1a8a637f4dc84ae478d9e14ec5f53c6 (c48567d7f1a8a637f4dc84ae478d9e14ec5f53c6)

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Finished benchmarking commit (c48567d7f1a8a637f4dc84ae478d9e14ec5f53c6): 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)
0.5% [0.2%, 1.3%] 12
Regressions ❌
(secondary)
1.4% [0.3%, 2.6%] 10
Improvements ✅
(primary)
- - 0
Improvements ✅
(secondary)
-0.2% [-0.2%, -0.2%] 3
All ❌✅ (primary) 0.5% [0.2%, 1.3%] 12

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)
3.2% [3.2%, 3.2%] 1
Regressions ❌
(secondary)
3.4% [2.7%, 4.1%] 2
Improvements ✅
(primary)
- - 0
Improvements ✅
(secondary)
- - 0
All ❌✅ (primary) 3.2% [3.2%, 3.2%] 1

Cycles

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

@rustbot rustbot added perf-regression Performance regression. and removed S-waiting-on-perf Status: Waiting on a perf run to be completed. labels Feb 22, 2023
@Zoxc Zoxc closed this Feb 27, 2023
@Zoxc Zoxc deleted the query-stacker branch February 27, 2023 03:06
bors added a commit to rust-lang-ci/rust that referenced this pull request Mar 11, 2023
Move dep graph methods to DepGraphData to avoid branches and `unwrap`s

This moves methods from `DepGraph` to `DepGraphData` which makes the code a bit cleaner since the dep graph is unconditionally available. It also changes `try_execute_query` to only branch on dep graph availability once, removing unnecessary branches and `unwrap`s.

This is based on rust-lang#108134 and rust-lang#108167.

Performance impact of just the last commit:
<table><tr><td rowspan="2">Benchmark</td><td colspan="1"><b>Before</b></th><td colspan="2"><b>After</b></th></tr><tr><td align="right">Time</td><td align="right">Time</td><td align="right">%</th></tr><tr><td>🟣 <b>clap</b>:check</td><td align="right">1.7354s</td><td align="right">1.7242s</td><td align="right"> -0.64%</td></tr><tr><td>🟣 <b>clap</b>:check:initial</td><td align="right">2.0813s</td><td align="right">2.0687s</td><td align="right"> -0.61%</td></tr><tr><td>🟣 <b>clap</b>:check:unchanged</td><td align="right">0.4554s</td><td align="right">0.4550s</td><td align="right"> -0.09%</td></tr><tr><td>🟣 <b>hyper</b>:check</td><td align="right">0.2528s</td><td align="right">0.2521s</td><td align="right"> -0.27%</td></tr><tr><td>🟣 <b>hyper</b>:check:initial</td><td align="right">0.3222s</td><td align="right">0.3214s</td><td align="right"> -0.25%</td></tr><tr><td>🟣 <b>hyper</b>:check:unchanged</td><td align="right">0.1339s</td><td align="right">0.1333s</td><td align="right"> -0.38%</td></tr><tr><td>🟣 <b>regex</b>:check</td><td align="right">0.9484s</td><td align="right">0.9455s</td><td align="right"> -0.30%</td></tr><tr><td>🟣 <b>regex</b>:check:initial</td><td align="right">1.1805s</td><td align="right">1.1727s</td><td align="right"> -0.66%</td></tr><tr><td>🟣 <b>regex</b>:check:unchanged</td><td align="right">0.3305s</td><td align="right">0.3307s</td><td align="right"> 0.08%</td></tr><tr><td>🟣 <b>syn</b>:check</td><td align="right">1.5453s</td><td align="right">1.5374s</td><td align="right"> -0.51%</td></tr><tr><td>🟣 <b>syn</b>:check:initial</td><td align="right">1.9230s</td><td align="right">1.9206s</td><td align="right"> -0.12%</td></tr><tr><td>🟣 <b>syn</b>:check:unchanged</td><td align="right">0.6340s</td><td align="right">0.6333s</td><td align="right"> -0.11%</td></tr><tr><td>🟣 <b>syntex_syntax</b>:check</td><td align="right">5.8623s</td><td align="right">5.8536s</td><td align="right"> -0.15%</td></tr><tr><td>🟣 <b>syntex_syntax</b>:check:initial</td><td align="right">7.2873s</td><td align="right">7.2786s</td><td align="right"> -0.12%</td></tr><tr><td>🟣 <b>syntex_syntax</b>:check:unchanged</td><td align="right">1.8378s</td><td align="right">1.8478s</td><td align="right"> 0.54%</td></tr><tr><td>Total</td><td align="right">26.5300s</td><td align="right">26.4750s</td><td align="right"> -0.21%</td></tr><tr><td>Summary</td><td align="right">1.0000s</td><td align="right">0.9976s</td><td align="right"> -0.24%</td></tr></table>

r? `@cjgillot`
saethlin pushed a commit to saethlin/miri that referenced this pull request Mar 15, 2023
Move dep graph methods to DepGraphData to avoid branches and `unwrap`s

This moves methods from `DepGraph` to `DepGraphData` which makes the code a bit cleaner since the dep graph is unconditionally available. It also changes `try_execute_query` to only branch on dep graph availability once, removing unnecessary branches and `unwrap`s.

This is based on rust-lang/rust#108134 and rust-lang/rust#108167.

Performance impact of just the last commit:
<table><tr><td rowspan="2">Benchmark</td><td colspan="1"><b>Before</b></th><td colspan="2"><b>After</b></th></tr><tr><td align="right">Time</td><td align="right">Time</td><td align="right">%</th></tr><tr><td>🟣 <b>clap</b>:check</td><td align="right">1.7354s</td><td align="right">1.7242s</td><td align="right"> -0.64%</td></tr><tr><td>🟣 <b>clap</b>:check:initial</td><td align="right">2.0813s</td><td align="right">2.0687s</td><td align="right"> -0.61%</td></tr><tr><td>🟣 <b>clap</b>:check:unchanged</td><td align="right">0.4554s</td><td align="right">0.4550s</td><td align="right"> -0.09%</td></tr><tr><td>🟣 <b>hyper</b>:check</td><td align="right">0.2528s</td><td align="right">0.2521s</td><td align="right"> -0.27%</td></tr><tr><td>🟣 <b>hyper</b>:check:initial</td><td align="right">0.3222s</td><td align="right">0.3214s</td><td align="right"> -0.25%</td></tr><tr><td>🟣 <b>hyper</b>:check:unchanged</td><td align="right">0.1339s</td><td align="right">0.1333s</td><td align="right"> -0.38%</td></tr><tr><td>🟣 <b>regex</b>:check</td><td align="right">0.9484s</td><td align="right">0.9455s</td><td align="right"> -0.30%</td></tr><tr><td>🟣 <b>regex</b>:check:initial</td><td align="right">1.1805s</td><td align="right">1.1727s</td><td align="right"> -0.66%</td></tr><tr><td>🟣 <b>regex</b>:check:unchanged</td><td align="right">0.3305s</td><td align="right">0.3307s</td><td align="right"> 0.08%</td></tr><tr><td>🟣 <b>syn</b>:check</td><td align="right">1.5453s</td><td align="right">1.5374s</td><td align="right"> -0.51%</td></tr><tr><td>🟣 <b>syn</b>:check:initial</td><td align="right">1.9230s</td><td align="right">1.9206s</td><td align="right"> -0.12%</td></tr><tr><td>🟣 <b>syn</b>:check:unchanged</td><td align="right">0.6340s</td><td align="right">0.6333s</td><td align="right"> -0.11%</td></tr><tr><td>🟣 <b>syntex_syntax</b>:check</td><td align="right">5.8623s</td><td align="right">5.8536s</td><td align="right"> -0.15%</td></tr><tr><td>🟣 <b>syntex_syntax</b>:check:initial</td><td align="right">7.2873s</td><td align="right">7.2786s</td><td align="right"> -0.12%</td></tr><tr><td>🟣 <b>syntex_syntax</b>:check:unchanged</td><td align="right">1.8378s</td><td align="right">1.8478s</td><td align="right"> 0.54%</td></tr><tr><td>Total</td><td align="right">26.5300s</td><td align="right">26.4750s</td><td align="right"> -0.21%</td></tr><tr><td>Summary</td><td align="right">1.0000s</td><td align="right">0.9976s</td><td align="right"> -0.24%</td></tr></table>

r? `@cjgillot`
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