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| author | bors <bors@rust-lang.org> | 2023-06-26 00:28:30 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2023-06-26 00:28:30 +0000 |
| commit | ae8ffa663c913551c462fd2e07705be730a4ea07 (patch) | |
| tree | 50dc750e1fec33e04935f10b6fb4de30f4112063 /compiler/rustc_interface/src | |
| parent | 7f01f030613fb6ffe06d5f5791a273d384cd6f55 (diff) | |
| parent | f174547124ab84c699e519033b047ef01435c284 (diff) | |
| download | rust-ae8ffa663c913551c462fd2e07705be730a4ea07.tar.gz rust-ae8ffa663c913551c462fd2e07705be730a4ea07.zip | |
Auto merge of #111850 - the8472:external-step-by, r=scottmcm
Specialize `StepBy<Range<{integer}>>`
OLD
iter::bench_range_step_by_fold_u16 700.00ns/iter +/- 10.00ns
iter::bench_range_step_by_fold_usize 519.00ns/iter +/- 6.00ns
iter::bench_range_step_by_loop_u32 555.00ns/iter +/- 7.00ns
iter::bench_range_step_by_sum_reducible 37.00ns/iter +/- 0.00ns
NEW
iter::bench_range_step_by_fold_u16 49.00ns/iter +/- 0.00ns
iter::bench_range_step_by_fold_usize 194.00ns/iter +/- 1.00ns
iter::bench_range_step_by_loop_u32 98.00ns/iter +/- 0.00ns
iter::bench_range_step_by_sum_reducible 1.00ns/iter +/- 0.00ns
NEW + `-Ctarget-cpu=x86-64-v3`
iter::bench_range_step_by_fold_u16 22.00ns/iter +/- 0.00ns
iter::bench_range_step_by_fold_usize 80.00ns/iter +/- 1.00ns
iter::bench_range_step_by_loop_u32 41.00ns/iter +/- 0.00ns
iter::bench_range_step_by_sum_reducible 1.00ns/iter +/- 0.00ns
I have only optimized for walltime of those methods, I haven't tested whether it eliminates bounds checks when indexing into slices via things like `(0..slice.len()).step_by(16)`.
Diffstat (limited to 'compiler/rustc_interface/src')
0 files changed, 0 insertions, 0 deletions