Your company is trying to choose between purchasing the Opteron or Itanium 2. You have analyzed your company’s applications, and 60% of the time it will be running applications similar to wupwise, 20% of the time applications similar to ammp, and 20% of the time applications similar to apsi.

a. If you were choosing just based on overall SPEC performance, which would you choose and why?

b. What is the weighted average of execution time ratios for this mix of applications for the Opteron and Itanium 2?

c. What is the speedup of the Opteron over the Itanium 2?