On Mon, 27 May 2024 11:47:15 GMT, Adam Sotona <asot...@openjdk.org> wrote:
>> [JDK-8294961](https://bugs.openjdk.org/browse/JDK-8294961) changed to use >> classfile API for reflection proxy-generation. Actual implementation of >> `ProxyGenerator` is focused on performance, however it causes JDK bootstrap >> regressions. `ProxyGenerator.TEMPLATE` class model is statically created and >> each proxy class is transformed from the template. >> >> This patch is intended to examine plain proxy generation impact on >> performance and JDK bootstrap (vs proxy transformation from template). >> >> Please review. >> >> Thank you, >> Adam > > Adam Sotona has updated the pull request incrementally with one additional > commit since the last revision: > > performance improvements src/java.base/share/classes/java/lang/reflect/ProxyGenerator.java line 76: > 74: > 75: private static final MethodTypeDesc > 76: MTD_boolean = MethodTypeDescImpl.ofValidated(CD_boolean, > ConstantUtils.EMPTY_CLASSDESC), Maybe we can change the `MethodTypeDescImpl.ofValidated` to varargs so we don't need explicit array initializations. src/java.base/share/classes/java/lang/reflect/ProxyGenerator.java line 822: > 820: .iconst_0() // false > 821: .aload(0)// classLoader > 822: .invokestatic(CD_Class, "forName", > MTD_Class_String_boolean_ClassLoader); We can probably replace this `forName(name, false, thisClassLoader)` with loading a class constant to reduce load on symbols. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/19410#discussion_r1615978269 PR Review Comment: https://git.openjdk.org/jdk/pull/19410#discussion_r1615982718
