On Fri, 17 Jul 2026 15:26:14 GMT, Chen Liang <[email protected]> wrote:
>> This is some extremely basic overview about value class migrations. >> >> 1. Build: I intentionally skipped the streamlined build system installed by >> David Beaumont. Instead, I stressed the custom handling used by Value >> Objects JEP. (The "Preview Classes in Interim `javac`" section might go to >> general documentation later.) >> >> 2. Testing: I started from the motivations/goals and describe how those >> goals are accomplished. >> 3. Wrapper class caches: Some simple overview. >> >> There are definitely more topics to cover; feel free to raise. >> >> Paging @jddarcy and @viktorklang-ora for proofreading. >> >> --------- >> - [x] I confirm that I make this contribution in accordance with the >> [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai). > > Chen Liang has updated the pull request incrementally with one additional > commit since the last revision: > > Typos spotted by Viktor Marked as reviewed by dlsmith (Committer). doc/value-class-preview.md line 62: > 60: > 61: 5. At run-time, jimage will pick up the preview-specific overrides from > 62: `META-INF/preview` only when features are enabled. when _preview_ features doc/value-class-preview.md line 87: > 85: disabled. There's no plan to introduce completely new value classes. > 86: > 87: Support for other value classes require significant changes to the build > system. _would_ require doc/value-class-preview.md line 110: > 108: a non-flat array storing object references, allowing a value object > wrapping > 109: a primitive value to be available quickly without redundant allocations > and > 110: associated performance regressions. Their existence have no semantic > meaning, _has_ no semantic meaning ------------- PR Review: https://git.openjdk.org/valhalla/pull/2633#pullrequestreview-4724024978 PR Review Comment: https://git.openjdk.org/valhalla/pull/2633#discussion_r3604299716 PR Review Comment: https://git.openjdk.org/valhalla/pull/2633#discussion_r3604310594 PR Review Comment: https://git.openjdk.org/valhalla/pull/2633#discussion_r3604319288
