perf(data_structures): reduce IterMut::advance_unchecked to 1 instruction

[overlookmotel]

Use as_mut_slice method (introduced in #13437) to optimize advance_unchecked method on slice::IterMut. Previously it had a branch, now it's only 1 instruction.

[overlookmotel]

• refactor(data_structures)!: rename SliceIterExt to SliceIter #13439
• perf(data_structures): reduce IterMut::advance_unchecked to 1 instruction #13438 👈 (View in Graphite)
• feat(data_structures): add as_mut_slice method to IterMut via SliceIterMutExt trait #13437
• feat(data_structures): add ptr and end_ptr methods to SliceIterExt #13435
• feat(data_structures): add SliceIterExt::peek method #13434
• refactor(data_structures): rename lifetime in SliceIterExt #13433
• main

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[codspeed-hq]

CodSpeed Instrumentation Performance Report

Merging #13438 will not alter performance

_{Comparing 08-30-perf_data_structures_reduce_itermut_advance_unchecked_to_1_instruction (475205f) with main (5b139aa)¹}

Summary

✅ 37 untouched benchmarks

Footnotes

1. No successful run was found on 08-30-feat_data_structures_add_as_mut_slice_method_to_itermut_via_sliceitermutext_trait (d0479e9) during the generation of this report, so main (5b139aa) was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩

[overlookmotel]

Merge activity

• Aug 30, 10:12 PM UTC: The merge label '0-merge' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.
• Aug 30, 10:33 PM UTC: overlookmotel added this pull request to the Graphite merge queue.
• Aug 30, 11:08 PM UTC: The Graphite merge queue removed this pull request due to downstack failures on PR #13435.
• Aug 31, 12:26 AM UTC: The merge label '0-merge' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.
• Aug 31, 12:37 AM UTC: The Graphite merge queue removed this pull request due to downstack failures on PR #13437.
• Aug 31, 12:37 AM UTC: The Graphite merge queue removed this pull request due to downstack failures on PR #13437.
• Aug 31, 12:46 AM UTC: The merge label '0-merge' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.
• Aug 31, 12:51 AM UTC: overlookmotel added this pull request to the Graphite merge queue.
• Aug 31, 12:52 AM UTC: Merged by the Graphite merge queue.