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Static and Dynamic Scheduling

can cause Structural Hazards. Structural Hazard: Cannot proceed with an operation because a resource is in use. To overcome hazards we must use shedulling and arbitration:

One schedulling decision impacts on another: ideally need to find a global optimum.

The schedulling and arbitration operations can often be done at compile time, (e.g. for operations performed by a single behavioural thread).

Remainder must be done at run time according to actual input data since the relative interleaving of different threads is often unpredictable.

(C) 2008-10, DJ Greaves, University of Cambridge, Computer Laboratory.