| commit | 70c821ad1c2f8029643716cf738cf2aaca7a92a4 | [log] [tgz] |
|---|---|---|
| author | Fabian Meumertzheim <fabian@meumertzhe.im> | Mon Apr 03 07:17:21 2023 -0700 |
| committer | Copybara-Service <copybara-worker@google.com> | Mon Apr 03 07:18:33 2023 -0700 |
| tree | 72372f498ed6f2a3d7dcbadafed9eef1ea6ee3a1 | |
| parent | 233ee2930b66063f5ef2372f1889fe7779925173 [diff] |
starlark: Reduce allocations for `find`/`indexof` without `end` By using the overload of `String#indexOf` that accepts a starting position, the common case of Starlark string forward searches that extend to the end of the string no longer requires allocations. Before: ``` benchmark ops cpu/op wall/op steps/op alloc/op bench_find 33554431 223ns 221ns 6 143B bench_find_with_start 33554431 238ns 236ns 6 631B ``` After: ``` benchmark ops cpu/op wall/op steps/op alloc/op bench_find 33554431 221ns 219ns 6 143B bench_find_with_start 33554431 210ns 210ns 6 143B ``` Closes #17892. PiperOrigin-RevId: 521450801 Change-Id: I2849f9d5a577973d24ca3644136550d0e2a8a569
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