On Monday, 3 August 2015 at 16:47:14 UTC, Adam D. Ruppe wrote:
You can try a few potential optimizations in the D version yourself and see if it makes a difference.Devirtualization has a very small impact. Test this by making `test` take `SubFoo` and making `bar` final, or making `bar` a stand-alone function.That's not it.
Making SubFoo a final class and test take SubFoo gives a >10x speedup for me.