[do not merge] CI experiments #112049

Kobzol · 2023-05-28T21:07:18Z

Various CI experiments for try/dist builds.

Kobzol · 2023-05-28T21:07:27Z

bors · 2023-05-28T21:07:35Z

⌛ Trying commit c42e33cf36e728937b9e7d9bbb16c17d0b364e23 with merge c60ecf63ab7a2a0a260b0a8ee02adff4f4dbfe87...

bors · 2023-05-28T22:44:38Z

☀️ Try build successful - checks-actions
Build commit: c60ecf63ab7a2a0a260b0a8ee02adff4f4dbfe87 (c60ecf63ab7a2a0a260b0a8ee02adff4f4dbfe87)

rust-timer · 2023-05-29T03:49:49Z

Finished benchmarking commit (c60ecf63ab7a2a0a260b0a8ee02adff4f4dbfe87): 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%	[0.3%, 0.3%]	2
Regressions ❌ (secondary)	0.3%	[0.3%, 0.3%]	2
Improvements ✅ (primary)	-0.3%	[-0.3%, -0.3%]	1
Improvements ✅ (secondary)	-0.4%	[-0.7%, -0.2%]	9
All ❌✅ (primary)	0.1%	[-0.3%, 0.3%]	3

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)	3.4%	[3.4%, 3.4%]	1
Regressions ❌ (secondary)	1.8%	[1.8%, 1.8%]	1
Improvements ✅ (primary)	-3.5%	[-3.5%, -3.5%]	1
Improvements ✅ (secondary)	-3.4%	[-3.7%, -3.1%]	2
All ❌✅ (primary)	-0.1%	[-3.5%, 3.4%]	2

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)	-	-	0
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-2.0%	[-2.2%, -1.7%]	2
All ❌✅ (primary)	-	-	0

Binary size

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

Bootstrap: 646.44s -> 646.666s (0.03%)

Kobzol · 2023-05-29T06:14:36Z

Looks like removing libcore from the profile set doesn't hurt much. Now I'll try to also completely remove rustc-perf gathering when gathering LLVM PGO profiles.

Looks like after the initial stage 2 build with an instrumented LLVM, there is already 6 GiB of profiles (after benchmarks it's usually 20 GiB). So instrumenting stage 2 build provides a lot of data! I'll try what happens if we delete the profiles.

@bors try @rust-timer queue

bors · 2023-05-29T06:14:48Z

⌛ Trying commit 31c917d813e3461b6babe1220a1ac15fc66eae53 with merge 3004a6cee0725e571674b0efdefcd9b82b1e11d6...

bors · 2023-05-29T08:17:30Z

☀️ Try build successful - checks-actions
Build commit: 3004a6cee0725e571674b0efdefcd9b82b1e11d6 (3004a6cee0725e571674b0efdefcd9b82b1e11d6)

Kobzol · 2023-05-29T08:19:19Z

@bors try

bors · 2023-05-29T08:19:28Z

⌛ Trying commit 042e02535bb5a95c8d6d77fc5954d762b73079e0 with merge ed48ba9307a0a1b523e3519499c3918be2dba056...

rust-timer · 2023-05-29T09:33:21Z

Finished benchmarking commit (3004a6cee0725e571674b0efdefcd9b82b1e11d6): 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)	3.2%	[0.3%, 7.3%]	51
Regressions ❌ (secondary)	3.1%	[0.4%, 5.9%]	24
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	3.2%	[0.3%, 7.3%]	51

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)	2.5%	[2.5%, 2.5%]	1
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-	-	0

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)	2.6%	[0.8%, 4.1%]	32
Regressions ❌ (secondary)	2.8%	[1.8%, 3.6%]	12
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	2.6%	[0.8%, 4.1%]	32

Binary size

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

Bootstrap: 642.999s -> 642.878s (-0.02%)

bors · 2023-05-29T10:34:36Z

☀️ Try build successful - checks-actions
Build commit: ed48ba9307a0a1b523e3519499c3918be2dba056 (ed48ba9307a0a1b523e3519499c3918be2dba056)

Kobzol · 2023-05-29T10:56:16Z

@rust-timer build ed48ba9307a0a1b523e3519499c3918be2dba056

rust-timer · 2023-05-29T12:33:22Z

Finished benchmarking commit (ed48ba9307a0a1b523e3519499c3918be2dba056): 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)	-1.0%	[-2.0%, -0.3%]	33
Improvements ✅ (secondary)	-1.1%	[-1.5%, -0.4%]	12
All ❌✅ (primary)	-1.0%	[-2.0%, -0.3%]	33

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)	2.5%	[2.5%, 2.5%]	1
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-	-	0

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)	-	-	0
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-2.8%	[-2.8%, -2.8%]	1
All ❌✅ (primary)	-	-	0

Binary size

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

Bootstrap: 642.999s -> 644.35s (0.21%)

Kobzol · 2025-06-10T09:53:40Z

@bors2 try

rust-bors · 2025-06-10T09:53:44Z

⌛ Trying commit b404b91 with merge 8a1b255…

To cancel the try build, run the command @bors2 try cancel.

[do not merge] CI experiments Various CI experiments for try/dist builds. r? `@ghost` try-job: x86_64-gnu try-job: `*llvm*`

rust-bors · 2025-06-10T11:54:27Z

☀️ Try build successful (CI)
Build commit: 8a1b255 (8a1b255321dfd66b3720d44a017fb8b7e37b8b0c)

Kobzol · 2025-06-10T17:42:54Z

@bors2 try

[do not merge] CI experiments Various CI experiments for try/dist builds. r? `@ghost` try-job: x86_64-gnu try-job: `*llvm*`

rust-bors · 2025-06-10T17:42:58Z

⌛ Trying commit b404b91 with merge 8e53c5e…

To cancel the try build, run the command @bors2 try cancel.

rust-bors · 2025-06-10T19:42:46Z

☀️ Try build successful (CI)
Build commit: 8e53c5e (8e53c5e76a4d6489ee675b99f196069f8fb6c850)

Kobzol · 2025-06-10T19:44:25Z

@bors2 try

rust-bors · 2025-06-10T19:44:29Z

⌛ Trying commit b404b91 with merge 828724c…

To cancel the try build, run the command @bors2 try cancel.

[do not merge] CI experiments Various CI experiments for try/dist builds. r? `@ghost` try-job: x86_64-gnu try-job: `*llvm*`

rust-bors · 2025-06-10T21:46:24Z

☀️ Try build successful (CI)
Build commit: 828724c (828724c0596ca0c552aba2cb0a6c436181a460cd)

Kobzol · 2025-06-11T06:13:16Z

@bors2 try @rust-timer queue

rust-bors · 2025-06-11T06:13:20Z

⌛ Trying commit 0957323 with merge 7fc77ba…

To cancel the try build, run the command @bors2 try cancel.

[do not merge] CI experiments Various CI experiments for try/dist builds. r? `@ghost` try-job: x86_64-gnu try-job: `*llvm*`

rust-bors · 2025-06-11T08:20:01Z

☀️ Try build successful (CI)
Build commit: 7fc77ba (7fc77ba0a2a46c3fb349d8c6c72bdf9dcb1c91f5)

Kobzol · 2025-06-11T10:11:31Z

@bors2 try @rust-timer queue

rust-bors · 2025-06-11T10:11:34Z

⌛ Trying commit 0957323 with merge ab2457e…

To cancel the try build, run the command @bors2 try cancel.

[do not merge] CI experiments Various CI experiments for try/dist builds. r? `@ghost`

rust-bors · 2025-06-11T12:44:55Z

☀️ Try build successful (CI)
Build commit: ab2457e (ab2457eb0e0ae4c358b0c95d81cbde7bfddce7fd)

rust-timer · 2025-06-11T14:35:11Z

Finished benchmarking commit (ab2457e): comparison URL.

Overall result: ❌ regressions - please read the text below

Benchmarking this pull request means it may be perf-sensitive – we'll automatically label it not fit for rolling up. You can override this, but we strongly advise not to, due to possible changes in compiler perf.

Next Steps: If you can justify the regressions found in this try perf run, please do so in sufficient writing along with @rustbot label: +perf-regression-triaged. If not, please fix the regressions and do another perf run. If its results are neutral or positive, the label will be automatically removed.

@bors rollup=never
@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)	5.9%	[1.0%, 11.8%]	259
Regressions ❌ (secondary)	5.6%	[0.6%, 18.2%]	292
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	5.9%	[1.0%, 11.8%]	259

Max RSS (memory usage)

Results (primary 2.2%, secondary -1.7%)

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

	mean	range	count
Regressions ❌ (primary)	5.7%	[0.7%, 37.2%]	62
Regressions ❌ (secondary)	3.6%	[0.6%, 13.5%]	28
Improvements ✅ (primary)	-2.6%	[-8.3%, -1.0%]	46
Improvements ✅ (secondary)	-4.2%	[-14.4%, -0.9%]	60
All ❌✅ (primary)	2.2%	[-8.3%, 37.2%]	108

Cycles

Results (primary 9.2%, secondary 7.9%)

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

	mean	range	count
Regressions ❌ (primary)	9.2%	[2.6%, 19.9%]	254
Regressions ❌ (secondary)	7.9%	[1.4%, 42.5%]	233
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	9.2%	[2.6%, 19.9%]	254

Binary size

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

Bootstrap: 754.155s -> 810.693s (7.50%)
Artifact size: 372.17 MiB -> 373.44 MiB (0.34%)

rustbot added A-testsuite Area: The testsuite used to check the correctness of rustc S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-infra Relevant to the infrastructure team, which will review and decide on the PR/issue. labels May 28, 2023

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rustbot added perf-regression Performance regression. and removed S-waiting-on-perf Status: Waiting on a perf run to be completed. labels May 29, 2023

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rust-bors bot added a commit that referenced this pull request Jun 10, 2025

Auto merge of #112049 - Kobzol:pgo-omit-benchmarks, r=<try>

8a1b255

[do not merge] CI experiments Various CI experiments for try/dist builds. r? `@ghost` try-job: x86_64-gnu try-job: `*llvm*`

rust-bors bot added a commit that referenced this pull request Jun 10, 2025

Auto merge of #112049 - Kobzol:pgo-omit-benchmarks, r=<try>

8e53c5e

[do not merge] CI experiments Various CI experiments for try/dist builds. r? `@ghost` try-job: x86_64-gnu try-job: `*llvm*`

rust-bors bot added a commit that referenced this pull request Jun 10, 2025

Auto merge of #112049 - Kobzol:pgo-omit-benchmarks, r=<try>

828724c

[do not merge] CI experiments Various CI experiments for try/dist builds. r? `@ghost` try-job: x86_64-gnu try-job: `*llvm*`

WIP: remove jemalloc

0957323

Kobzol force-pushed the pgo-omit-benchmarks branch from b404b91 to 0957323 Compare June 11, 2025 06:13

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rust-bors bot added a commit that referenced this pull request Jun 11, 2025

Auto merge of #112049 - Kobzol:pgo-omit-benchmarks, r=<try>

7fc77ba

[do not merge] CI experiments Various CI experiments for try/dist builds. r? `@ghost` try-job: x86_64-gnu try-job: `*llvm*`

rustbot added the S-waiting-on-perf Status: Waiting on a perf run to be completed. label Jun 11, 2025

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rust-bors bot added a commit that referenced this pull request Jun 11, 2025

Auto merge of #112049 - Kobzol:pgo-omit-benchmarks, r=<try>

ab2457e

[do not merge] CI experiments Various CI experiments for try/dist builds. r? `@ghost`

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rustbot added perf-regression Performance regression. and removed S-waiting-on-perf Status: Waiting on a perf run to be completed. labels Jun 11, 2025

[do not merge] CI experiments #112049

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[do not merge] CI experiments #112049

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rust-timer commented May 29, 2023

Overall result: ❌✅ regressions and improvements - ACTION NEEDED

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Overall result: ❌ regressions - ACTION NEEDED

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rust-timer commented May 29, 2023

Overall result: ✅ improvements - no action needed

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rust-timer commented Jun 11, 2025

Overall result: ❌ regressions - please read the text below

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Kobzol commented May 28, 2023 •

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