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MIPS Architecture Comprehensive Exam With Questions And Correct Answers.

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  • MIPS

Give at least 2 examples of each design principle (and describe how it improves performance or reduces complexity.) - correct answer 1. Simplicity favours regularity 2. Make the common case fast 3. Smaller is faster 4. Good design demands good compr...

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  • August 22, 2024
  • 2
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • MIPS
  • MIPS
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RealGrades
MIPS Architecture

Give at least 2 examples of each design principle (and describe how it improves performance or reduces
complexity.) - correct answer 1. Simplicity favours regularity

2. Make the common case fast

3. Smaller is faster

4. Good design demands good compromises



DP1: Simplicity Favors Regularity - correct answer Implementation of
instructions decoding is fast because of the regularity of the MIPS instructions:

a) All instructions are 32 bits

b) There are only 3 instruction formats (R-, I- and J-Type).

c) Each instruction format has the same number of operands in the same bit positions

d) Each instruction format has the same 6-bit op-code in the same bit positions



DP2: Make the common case fast - correct answer -Registers allow fast access
to the most recently accessed variables.

-There is a small number of instructions that can be implemented with low complexity.

-All instructions are 32 bits to make decoding fast- more complex operations requiring longer
instructions can be performed with multiple instructions.



DP3: Smaller is faster - correct answer The register file has only 32 registers for
fast access.

Relatively small instruction set for fast implementation.



DP4: Good design demands good compromises - correct answer -MIPS uses 3
instruction formats as using just one would impose too many constraints on the instruction set.

-The architecture supports main memory (despite its slow access time) and registers to allow a much
larger memory space.

-Special registers and instructions are provided for multiplications which produce a 64-bit result.

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