> 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.
Shaojin Wen has updated the pull request incrementally with one additional commit since the last revision: remove specialization for `Ljava/lang/Object;` ------------- Changes: - all: https://git.openjdk.org/jdk/pull/20611/files - new: https://git.openjdk.org/jdk/pull/20611/files/1e04f5bf..43fbe47b Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=20611&range=02 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=20611&range=01-02 Stats: 6 lines in 1 file changed: 0 ins; 6 del; 0 mod Patch: https://git.openjdk.org/jdk/pull/20611.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/20611/head:pull/20611 PR: https://git.openjdk.org/jdk/pull/20611
