On Fri, 16 Aug 2024 08:53:38 GMT, Shaojin Wen <d...@openjdk.org> wrote:
> The current implementation of ofDescriptor puts return type and parameter > types together in an ArrayList, and then splits them into return type and > array of parameter types. This ArrayList creation is unnecessary, considering > most descriptors only have few parameter types. > > By splitting return type and parameter types separately and scanning the > descriptor first to get the number of parameters, we can just allocate an > exact, trusted array for the resulting MethodTypeDesc without copy. This pull request has now been integrated. Changeset: 3aeb6733 Author: Shaojin Wen <shaojin.we...@alibaba-inc.com> Committer: Chen Liang <li...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/3aeb6733f958bc2b0132494b8ac51a4cfa6b98de Stats: 263 lines in 11 files changed: 152 ins; 61 del; 50 mod 8338532: Speed up the ClassFile API MethodTypeDesc#ofDescriptor Reviewed-by: redestad, liach ------------- PR: https://git.openjdk.org/jdk/pull/20611
