GATE CS 2024 Set 1 — Question 55

NAT+2 / -0MediumSpeedup & EfficiencyInstruction PipeliningComputer Organization & Architecture

Computer Organization & Architecture → Instruction Pipelining → Speedup & Efficiency

Last updated 20 August 2026

Question

The baseline execution time of a program on a 2 GHz single core machine is 100 nanoseconds (ns). The code corresponding to 90% of the execution time can be fully parallelized. The overhead for using an additional core is 10 ns when running on a multicore system. Assume that all cores in the multicore system run their share of the parallelized code for an equal amount of time. The number of cores that minimize the execution time of the program is________

T(n)

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T(n)

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