Language interoperability is a critical first step towards software interoperability

• Software re-use is often hampered by language barriers

  • DOE labs use many languages (f77, f90, C, C++, Java, Python)
  • can be difficult for some languages to call others (f77 to C++)

• We are developing IDL technology for interoperability

  • interface definition language (IDL) describes calling interface
  • tools automatically generate code to “glue” languages

A. Cleary, S. Kohn, S. Smith, B. Smolinski, Language Interoperability Mechanisms for High-Performance Scientific Applications, SIAM Interoperability Conference, 1998.

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