Question: please type and show details 8. An ISA has two classes of simple (S) and complex (C) instructions. On a reference implementation of the ISA,

please type and show details

8. An ISA has two classes of simple (S) and complex (C) instructions. On a reference implementation of the ISA, class-S instructions account for X% of the running time for programs of interest. A RISC version of the machine is being considered that executes only class-S instructions directly in hardware, with class-C instructions treated as pseudo instructions. It is estimated that in the RISC version, class-S instructions will run 20% faster while class-C instructions will be slowed down by a factor of 3. When the RISC approach offers better performance compared to the reference implementation, find the minimum X

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