Which kind of program-level parallelism (data or control) is best suited to SIMD? What type of parallelism at the level of the program is most conducive to MIMD?

An example of a MISD machine is referred to as a systolic array. A set of data processing components that are linked together in the form of a pipeline network or "wavefront" is referred to as a systolic array. Because the execution of each of these components is kicked off by the reception of data, each of these components is self-contained and does not need a program counter. Calculations are performed in "lock-step" by systolic arrays that have clocks that are synchronized, with each CPU executing alternate phases of computation and communication.

Systolic arrays, a kind of array, include MISD machines. A networked pipeline of data processing equipment is a systolic array. No programme counter is needed since execution is started by fresh data. Each timed systolic array unit computes and communicates in unison, isn't that correct?

When it comes to a processor's access to main memory, the loosely connected setup and the symmetric multiprocessing configuration are similar. Explain why, in the real world, the symmetric design might be better.