On Fri, 25 Apr 2025 01:36:50 GMT, Shaojin Wen <s...@openjdk.org> wrote:
> In the Throwable::printStackTrace method, StringBuilder is created multiple > times to build String. By sharing StringBuilder to build String, object > allocation and copying are reduced. > > In the scenario without suppressed and ourCause, unused IdentityHashMap is > not created. > > Through these optimizations, the performance of `new > Exception().printStackTrace()` can be improved by about 10%. src/java.base/share/classes/java/lang/Throwable.java line 712: > 710: > 711: // Print cause, if any > 712: Suggestion: ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/24864#discussion_r2059833273
