Procedure for exchange of messages in a multi-processor system, requires initial verification that message of receiving processor belongs to same group as message of sending processor

摘要

Exchange of messages in a multi-processor system with at least two processors carrying out different programs in a data processing installation is complex and slow. To simplify and accelerate the procedure, during exchange of messages (62) it is initially verified that the message of the receiving processor (P2) belongs to the same group as the message of the sending processor (P1). Thus ensuring that the commands that encroach in their effect on all the processors are restricted to the processors of the group, thus allowing applications in which several groups of processors are used.