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MPI and Performance Evaluation [8 pts] A parallel program has the following run times: Number of Processes Run Time 120 seconds) 4 16 32 68 31 15 4 We know: Speedup - Tserial /Tparallel Efficiency Tserial / pTparallel Where T is the run time and p is the number of processes a. Report the speedup and efficiency below: [6 pts] Number of Processes Speedup 4 16 32 Efficie ncy b. Is the algorithm scalable? Why or why not? [2 pts]

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Numbe of PrDCessors I L 8 16 32 2 Run Time 120 |68 | 31 |15 |z/y only one there Given speedup- Eevie! Tpavalle Numbe 2 Prcaso

らJs ithm & (alable ? ovus Sys tems Cpacity to increase speed up in Propotion to the number of prolessors From above Caesla t

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