midterm2.f08 - 1(11 True or False(1 Measuring performance...

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1. (11) True or False: (1) Measuring performance on multiprocessors using linear speedup instead of execution time is a bad idea. (1) Amdahl’s law applies to parallel computers. (1) You can predict cache performance of Program A by analyzing Program B. (1) Linear speedups are needed to make multiprocessors cost-effective. (1) It is not necessary to simulate very many instructions in order to get an accurate perfor- mance measure of the memory heirarchy. (1) Scalability is almost free. (1) A program’s locality behavior is constant over the run of an entire program. (1) Communication is not a significant problem for parallel processor systems. (1) Memory Bandwidth is the most important thing when designing a memory system. (1) The instruction set architecture does not impact the implementability of a virtual machine monitor. (1) Professor Farrens never wore shorts to class. 2. (3) What is the goal of the memory heirarchy? What two principles make it work?
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3. (12) What do the following acronyms stand for: SMP TPC COMA OLTP VMM SRAM NUMA MPP DSM MIMD SIMD SISD For the next 6 problems, circle the correct answer. 4. (1) Which type of cache miss can be changed by altering the mapping scheme?
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