What is Parallel efficiency?
Parallel speedup divided by the number of processors, indicating how effectively the cores are used.
Field: Performance Analysis
Parallel efficiency in the explanations
Parallel efficiency is speedup divided by core count and indicates how effectively the cores are used.
Running in parallel on 8 cores is 6× faster than on 1 core.…
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Related terms
Speedup Benchmark CPU time Cycles per instruction (CPI) Flame graph Geometric mean Gustafson's law Harmonic mean Little's law Microbenchmark