Question

6. Please explain how an ADD instruction and a JUMP instruction are executed and show the data path in the given figure. 7. Show the step by step multiplication for the 6-digit unsigned numbers: X=100101 and Y=110101. 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?

          6. Please explain how an ADD instruction and a JUMP instruction are executed and show
the data path in the given figure.
7. Show the step by step multiplication for the 6-digit unsigned numbers: X=100101 and
Y=110101.
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?

6. Please explain how an ADD instruction and a JUMP instruction are executed and show
the data path in the given figure.
7. Show the step by step multiplication for the 6-digit unsigned numbers: X=100101 and
Y=110101.
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?

Added by Nicole S.

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