Estimation of error propagation in multiprocessor systems

In high performance computation where the processors evaluate their required algorithm in serial or parallel action the estimation of the error and the error propagation during the computation is important. In the paper the system of the grid-connected processors is considered as a system. To determine the error of the processor a data is sent through on it under its operation and the output data has some error. Taking into account the error of the output data, it can be decomposed into system error and input error. In the paper determination of the error for different processor configurations are evaluated and applied to some grid-connected processor system. Numerical examples represent the developed theory.