Give the merits and demerits of VLIW architecture.

Give the merits and demerits of VLIW architecture.
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1 Answer

Answer :

Merits:  
✔ The instruction issue logic is very simple.
✔ Clock cycles required for implementing the instructions are shorter than  super scalar processor.
✔ The controller has complete control for detecting ILP
✔ VLIW can fit more execution unit on a given chip space because of simple instruction issue logic.
Demerits:
i) Compiler complexity
ii) Track of instruction scheduling
iii) Increased memory usage.
iv) High power consumption.
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