Consider three different processors P1, P2, and P3 executing the same instruction set. P1 has a 3.1 GHz clock rate and a CPI (cycles per instruction) of 1.6. P2 has a 2.4 GHz clock rate and a CPI of 1.2. P3 has a 4.0 GHz clock rate and has a CPI of 2.0 If you could answer these id appreciate that greatly. a.Which processor has the highest performance expressed in instructions per second? b.If the processors each execute a program in 10 seconds, find the number of cycles and the number of instructions. c.We are trying to reduce the execution time by 30% but this leads to an increase of 20% in the CPI. What clock rate should we have to get this time reduction?
Consider three different processors P1, P2, and P3 executing the same instruction set. P1 has a 3.1 GHz clock rate and a CPI (cycles per instruction) of 1.6. P2 has a 2.4 GHz clock rate and a CPI of 1.2. P3 has a 4.0 GHz clock rate and has a CPI of 2.0 If you could answer these id appreciate that greatly. a.Which processor has the highest performance expressed in instructions per second? b.If the processors each execute a program in 10 seconds, find the number of cycles and the number of instructions. c.We are trying to reduce the execution time by 30% but this leads to an increase of 20% in the CPI. What clock rate should we have to get this time reduction?
Chapter4: Processor Technology And Architecture
Section: Chapter Questions
Problem 4PE
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- Consider three different processors P1, P2, and P3 executing the same instruction set. P1 has a 3.1 GHz clock rate and a CPI (cycles per instruction) of 1.6. P2 has a 2.4 GHz clock rate and a CPI of 1.2. P3 has a 4.0 GHz clock rate and has a CPI of 2.0 If you could answer these id appreciate that greatly.
a.Which processor has the highest performance expressed in instructions per second?
b.If the processors each execute a program in 10 seconds, find the number of cycles and the number of instructions.
c.We are trying to reduce the execution time by 30% but this leads to an increase of 20% in the CPI. What clock rate should we have to get this time reduction?
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