1. A computer-implemented method for executing a set of program instructions on a technical computing environment, the method comprising: providing a plurality of technical computing environments; associating at least one of the plurality of technical computing environments with a process identifier having a value; providing a technical programming language control structure in a technical computing program, the technical programming language control structure representing a conditional statement, where the conditional statement: comprises a Boolean expression, and is associated with one or more program instructions; and executing the technical computing program by the plurality of technical computing environments, the executing comprising: evaluating the conditional statement, and executing a first selection of the one or more program instructions associated with the conditional statement by the one of the plurality of technical computing environments when the conditional statement evaluates to the value of the process identifier associated with the one of the plurality of technical computing environments.