Remove bound checks from BorrowedBuf and BorrowedCursor methods

[a1phyr]

No description provided.

[rustbot]

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[joboet]

Cool, thank you!
@bors r+

[bors]

📌 Commit 6ce268e has been approved by joboet

It is now in the queue for this repository.

[bors]

⌛ Testing commit 6ce268e with merge 959a67a...

[bors]

☀️ Test successful - checks-actions
Approved by: joboet
Pushing 959a67a to master...

[rust-timer]

Finished benchmarking commit (959a67a): comparison URL.

Overall result: ❌✅ regressions and improvements - ACTION NEEDED

Next Steps: If you can justify the regressions found in this perf run, please indicate this with @rustbot label: +perf-regression-triaged along with sufficient written justification. If you cannot justify the regressions please open an issue or create a new PR that fixes the regressions, add a comment linking to the newly created issue or PR, and then add the perf-regression-triaged label to this PR.

@rustbot label: +perf-regression
cc @rust-lang/wg-compiler-performance

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)	0.8%	[0.8%, 0.8%]	1
Regressions ❌ (secondary)	1.3%	[1.3%, 1.3%]	1
Improvements ✅ (primary)	-1.7%	[-1.7%, -1.7%]	1
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-0.5%	[-1.7%, 0.8%]	2

Max RSS (memory usage)

Results (primary -1.2%)

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)	-1.2%	[-1.2%, -1.2%]	1
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-1.2%	[-1.2%, -1.2%]	1

Cycles

Results (primary 1.3%, secondary 3.3%)

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)	2.1%	[1.9%, 2.4%]	4
Regressions ❌ (secondary)	3.3%	[2.0%, 7.3%]	16
Improvements ✅ (primary)	-1.8%	[-1.8%, -1.8%]	1
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	1.3%	[-1.8%, 2.4%]	5

Binary size

Results (primary -0.1%, secondary -0.0%)

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%, 0.0%]	3
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-0.2%	[-1.3%, -0.0%]	12
Improvements ✅ (secondary)	-0.0%	[-0.0%, -0.0%]	36
All ❌✅ (primary)	-0.1%	[-1.3%, 0.0%]	15

Bootstrap: 670.177s -> 669.813s (-0.05%)
Artifact size: 316.18 MiB -> 316.18 MiB (-0.00%)

[rylev]

This is noise

@rustbot label: +perf-regression-triaged