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Pragmatics

• Large existing code base in Maple.
  • Porting to other system unrealistic.
• Maple is sequential.
  • No multi-threading.
  • No message passing.
• Maple is closed.
  • No access to internal kernel structures.
• Only external interface: input/output.
  • Linearization of internal data structures.
  • Reading/writing from/to files or pipes.

Constraints for integration into a parallel environment.