A shared memory multiprocessor (SMP) has a __________ . single physical address space across all processors single virtual address space across all processors separate physical address space for each processor that can be shared single cache for all processors
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A shared memory multiprocessor (SMP) has a __________ .
single physical address space across all processors
single virtual address space across all processors
separate physical address space for each processor that can be shared
single cache for all processors
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- To get to a memory location in a shared-memory architecture, the time it takes to get there might be different depending on which memory location is being used.A computer uses 32-bit byte addressing. The computer uses a 2-way associative cache with a capacity of 32KB. Each cache block contains 16 bytes. Calculate the number of bits in the TAG, SET, and OFFSET fields of a main memory address.Suppose the cache access time is 20ns, main memory access time is 100ns, and the cache hit rate is 90%. Assuming parallel (overlapped) access, what is the average access time for the processor to access an item?