> @cl4es discovered that Stack Map generation in ClassFile API uses > `componentType` and `arrayType` for `aaload` `aastore` instructions, which > are currently quite slow. We can split out array class descriptors from class > or interfaces to support faster `arrayType` and `componentType` operations. > > Tentative, as I currently have no way to measure the actual impact of this > patch on the startup performance; however, this made the `ClassDesc` > implementations much cleaner.
Chen Liang has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 16 commits: - Merge branch 'master' of https://github.com/openjdk/jdk into feature/array-cd - Merge - object array desc constant - Merge branch 'master' of https://github.com/openjdk/jdk into feature/array-cd - Mandy reviews - Merge branch 'master' of https://github.com/openjdk/jdk into feature/array-cd - mlchung suggestions: elementType, improve utility methods - class or interface descriptor renamed for clarity - Merge branch 'master' of https://github.com/openjdk/jdk into feature/array-cd - Cleanup after merge - ... and 6 more: https://git.openjdk.org/jdk/compare/8bcd4920...62deed8b ------------- Changes: https://git.openjdk.org/jdk/pull/20665/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=20665&range=04 Stats: 829 lines in 19 files changed: 445 ins; 251 del; 133 mod Patch: https://git.openjdk.org/jdk/pull/20665.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/20665/head:pull/20665 PR: https://git.openjdk.org/jdk/pull/20665
