For a six-stage pipelining, the initial instruction requires-------cycle for execution?
Question
For a six-stage pipelining, the initial instruction requires-------cycle for execution?
Solution
For a six-stage pipeline, the initial instruction requires six cycles for execution.
Here's why:
- Instruction Fetch (IF): The instruction is fetched from the memory.
- Instruction Decode (ID): The fetched instruction is decoded to determine the operation and the operands.
- Operand Fetch (OF): The operands (if any) are fetched from the memory or the register file.
- Execute (EX): The operation is performed on the operands.
- Result Store (RS): The result is stored back in the memory or the register file.
- Write Back (WB): The result is written back to the memory.
Each of these stages represents a cycle, so for a six-stage pipeline, the initial instruction would require six cycles for execution.
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