Parallel compiler
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Parallel compilers are used to speed up the process of compilation on multiprocessor machines. Parallel compilers are developed for supercomputers and other large scale multiprocessor machines.
Usually they are not used on workstations with two to four processors because scope of speed enhancement is limited. Design of a parallel compiler could be highly specific to the architecture for which it is being designed. These reasons make it difficult for parallel compilers to find large scale commercial usage.