Which scheme executes operations when programs are compiled?

Which scheme executes different sub-steps of sequential instructions simultaneously?

Scheme "arbitration" guarantees that:

The scheme with cache can work with less or equal:

The scheme to achieve parallelism with multi-computer is called:

The scheme to achieve parallelism where computers share memory is:

Choose not commutative operations:

How often are branch operations used according to statistics?(in percent)

Choose all operations with the main memory:

How often are compare operations used according to statistics?(in percent)

How often are memory exchange operations used according to statistics?(in percent)