Engineering, 04.04.2020 06:05 falgunim4
Consider a processor and a program that would have an IPC of 1 with a perfect 1-cycle L1 cache (All accesses are hit). Assume that each additional cycle for cache/memory access causes program execution time to increase by one cycle and 50% of instructions are loads/stores and the L1-Instruction cache hit rate is 100%. Assume the following MPKMIs(Miss Per Kilo Memory Instruction) and latencies for the following caches: • L1:32 KB: 1-cycle: 80 MPKMI • L2: 256 KB: 10-cycle: 50 MPKMI • L3:2 MB: 30-cycle: 20 MPKMI • 14:32 MB: 100-cycle: 5 MPKMI. • Memory: 250-cycles Estimate the CPI for the following cache configurations:
1. L1-L2-L3-L4
2. L1-L2-L3
3. L2-L3-L4
4. L1-L2-L4
Answers: 3
Engineering, 04.07.2019 18:10
Afluid flows with a velocity field given by v=(x/t)i.. determine the local and convective accelerations when x=3 and t=1.
Answers: 2
Engineering, 04.07.2019 18:10
Shafts are machine elements that are used to a) carry axial loads b) direct shear loads c) transmit power d) rotate at constant speed e) none of the above circular and square shafts subjected to the same torque under the same circum behave a) the same way b) almost the same way
Answers: 2
Engineering, 04.07.2019 18:10
True or false (explain) (110)[111] is a slip system in bcc metals . the {111} family in fcc contains 8 planes. resolved shear stress (rss) in single crystals is just related to the applied stress. critical resolved shear stress (crss) in single crystal metals is direct proportional to the number of defects in the structure
Answers: 2
Engineering, 04.07.2019 18:20
Asimple rankine cycle uses water as the working fluid. the water enters the turbine at 10 mpa and 480c while the condenser operates at 6 kpa. if the turbine has an isentropic efficiency of 80 percent while the pump has an isentropic efficiency of 70 percent determine the thermal efficiency
Answers: 1
Consider a processor and a program that would have an IPC of 1 with a perfect 1-cycle L1 cache (All...
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