Prolog in Java: some issues

• Can we generate class files ?

  • JVM gives no access to Program Counter
  • Ex: KIEV, an extension to the Java language

• Prolog’s vs. Java’s garbage collectors

• Prolog terms as objects lose WAM space and time optimizations

• Runtime overhead, eg array bound checks

• Bottom line:

  • Existing systems are slow.
  • JVM is being optimized against C++, not for Prolog

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