QCMPI: A PARALLEL ENVIRONMENT FOR QUANTUM COMPUTING. Nature of problem: Analysis of quantum computation algorithms and the effects of noise. Solution method: A Fortran 90/MPI package is provided that contains modular commands to create and analyze quantum circuits. Shor’s factorization and Grover’s search algorithms are explained in detail. Procedures for distributing state vector amplitudes over processors and for solving concurrent (multiverse) cases with noise effects are implemented. Density matrix and entropy evaluations are provided in both single and parallel versions. (Source: http://cpc.cs.qub.ac.uk/summaries/)