rust/library
bors ae8ffa663c 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)`.
2023-06-26 00:28:30 +00:00
..
alloc Expose compiler-builtins-weak-intrinsics feature for -Zbuild-std 2023-06-23 11:15:34 +01:00
backtrace@4245978ca8 PS Vita std support 2023-05-07 18:57:43 +03:00
core Auto merge of #111850 - the8472:external-step-by, r=scottmcm 2023-06-26 00:28:30 +00:00
panic_abort Remove unnecessary raw pointer in __rust_start_panic arg 2023-03-26 16:40:18 +00:00
panic_unwind Partial stabilisation of c_unwind 2023-04-29 13:01:44 +01:00
portable-simd Explicit set workspace.resolver = "1" 2023-05-31 00:08:11 +01:00
proc_macro fix TODO comments 2023-05-02 10:32:07 +00:00
profiler_builtins Fully stabilize NLL 2022-06-03 17:16:41 -04:00
rtstartup Remove custom frame info registration on i686-pc-windows-gnu 2022-08-23 16:12:58 +08:00
rustc-std-workspace-alloc Replace libstd, libcore, liballoc in line comments. 2022-12-30 14:00:42 +01:00
rustc-std-workspace-core
rustc-std-workspace-std
std Auto merge of #113001 - ChrisDenton:win-arm32-shim, r=thomcc 2023-06-25 11:27:19 +00:00
stdarch@d77878b729 Bump stdarch 2023-06-13 21:45:04 -07:00
sysroot Expose compiler-builtins-weak-intrinsics feature for -Zbuild-std 2023-06-23 11:15:34 +01:00
test ignore core, alloc and test tests that require unwinding on panic=abort 2023-06-13 15:53:24 +02:00
unwind wip: Support Apple tvOS in libstd 2023-06-21 14:59:37 -07:00