> @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 19 commits: - Merge branch 'master' of https://github.com/openjdk/jdk into feature/array-cd - Restore the impl spec to the API spec - Relax displayName spec - 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 - ... and 9 more: https://git.openjdk.org/jdk/compare/d6eddcda...bf9ff94c ------------- Changes: https://git.openjdk.org/jdk/pull/20665/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=20665&range=06 Stats: 838 lines in 19 files changed: 445 ins; 255 del; 138 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
