MIPS Architecture Comprehensive Exam With Questions And Correct Answers.
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Course
MIPS
Institution
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...
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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