On Wed, 8 Jun 2022 10:20:37 GMT, Claes Redestad <redes...@openjdk.org> wrote:
> To take optimal advantage of the pre-existing optimization for repeated > filters we could split the application of different types of stringifiers. > > The resulting difference in order of evaluation is not observable by > conventional means since all reference type share the same object > stringifier, and the others are filtering primitives (floats and doubles) > which have been passed by value already. > > This change neutral on many concatenation expression shapes, but for any > complex expressions with interleaving float/double and reference parameters > it brings a straightforward reduction in rebinds and underlying LFs > generated. For example on the > [MixedStringCombinations.java](https://gist.github.com/cl4es/08fb581dece3a73e89bfa52337bc4248) > test there's a modest 2% reduction in total classes loaded with this change > (from 16209 to 15872) I make heavy use of the `mh = filterArgument(baseMH, 0, arrayOfFilters);` pattern. I assumed it generated fewer LF than making individual calls. Am I wrong? ------------- PR: https://git.openjdk.java.net/jdk/pull/9082
