An Overview

Due to the limited space, only a part of the existing tools will be presented at full length in the following subsections. The remaining tools, although surely not being of lesser interest, can only be mentioned briefly:

• TRAPPER is graphical programming environment for the design, mapping, visualization and optimization of parallel programs [SS93].
• The P2D2 project at NASA Ames Research Center is aimed towards developing a portable parallel debugger that will also support PVM [CH94].
• The MPVM/UPVM environment enhances PVM by offering load balancing based on process migration [CKO+94].

• HeNCE
• Xab
• XPVM
• ParaDyn
• DBPVM
• Parallel Input/Output System, PIOUS
• DynamicPVM