As of the time of this writing the performance page on dartlang.org tracks Dart VM performance as measured by the DeltaBlue benchmark. I ported the benchmark_harness Dart package (including the DeltaBlue benchmark) into Java and ran against the latest Java 7 and 8 JDKs. The experience of translating Dart to Java was surprisingly smooth. Some of the most common small porting tasks included Dart boo