Optimize Take::{fold, for_each} when wrapping TrustedRandomAccess iterators

[the8472]

No description provided.

[rustbot]

r? @cuviper

(rustbot has picked a reviewer for you, use r? to override)

[the8472]

@bors try @rust-timer queue

[bors]

⌛ Trying commit 72b01d5 with merge 7d5ad749fca60517ea8bcc653127f44338571f25...

[bors]

☀️ Try build successful - checks-actions
Build commit: 7d5ad749fca60517ea8bcc653127f44338571f25 (7d5ad749fca60517ea8bcc653127f44338571f25)

[rust-timer]

Finished benchmarking commit (7d5ad749fca60517ea8bcc653127f44338571f25): 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)	-	-	0
Regressions ❌ (secondary)	2.4%	[2.4%, 2.4%]	1
Improvements ✅ (primary)	-2.3%	[-4.2%, -1.3%]	19
Improvements ✅ (secondary)	-3.2%	[-4.3%, -2.1%]	2
All ❌✅ (primary)	-2.3%	[-4.2%, -1.3%]	19

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)	-2.5%	[-5.6%, -0.9%]	18
Improvements ✅ (secondary)	-1.5%	[-1.5%, -1.5%]	1
All ❌✅ (primary)	-2.5%	[-5.6%, -0.9%]	18

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)	0.0%	[0.0%, 0.2%]	11
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-0.1%	[-0.1%, -0.0%]	2
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	0.0%	[-0.1%, 0.2%]	13

Bootstrap: 631.583s -> 630.336s (-0.20%)
Artifact size: 315.88 MiB -> 316.00 MiB (0.04%)

[cuviper]

@bors r+

[bors]

📌 Commit 07a1d5f has been approved by cuviper

It is now in the queue for this repository.

[bors]

⌛ Testing commit 07a1d5f with merge 81100a59d1bb866db62914253fb38b46d01880d3...

[bors]

💔 Test failed - checks-actions

[the8472]

seems like a transient issue

@bors retry

[bors]

⌛ Testing commit 07a1d5f with merge 08403c4888652a3e67c2e0d921181cbe93dae630...

[bors]

💔 Test failed - checks-actions

[the8472]

limited the test to x86-64 since vectorization differs between platforms

@bors r=cuviper

[bors]

📌 Commit f93e125 has been approved by cuviper

It is now in the queue for this repository.

[bors]

⌛ Testing commit f93e125 with merge c4f2577...

[bors]

☀️ Test successful - checks-actions
Approved by: cuviper
Pushing c4f2577 to master...

[rust-timer]

Finished benchmarking commit (c4f2577): comparison URL.

Overall result: no relevant changes - no action needed

@rustbot label: -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)	2.2%	[0.0%, 4.4%]	6
Regressions ❌ (secondary)	0.9%	[0.9%, 0.9%]	2
Improvements ✅ (primary)	-3.0%	[-5.1%, -0.5%]	3
Improvements ✅ (secondary)	-4.3%	[-4.3%, -4.3%]	1
All ❌✅ (primary)	0.4%	[-5.1%, 4.4%]	9

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)	0.0%	[0.0%, 0.1%]	14
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-0.0%	[-0.0%, -0.0%]	2
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	0.0%	[-0.0%, 0.1%]	16

Bootstrap: 629.877s -> 629.451s (-0.07%)
Artifact size: 316.63 MiB -> 316.50 MiB (-0.04%)