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Performance should be very similar to Scala. Since both are JVM languages doing inference will be calling the same byte code from Java as it is in Scala. The only known issue which will cause a performance difference is converting the Java collections into Scala collections. Preliminary testing with simple models shows negligible to nonexistent impact to performance. Java performance should be measured via Benchmark AI in a manner similar to how it's measured in Scala. More details on Scala benchmarks are available here.

Preliminary comparisons are a WIP.

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