What is Harmonic mean?

The reciprocal of the mean of reciprocals, used to average rates over equal amounts of work.

Field: Performance Analysis

Harmonic mean in the explanations

When averaging rates over equal amounts of work, use the harmonic mean, not the arithmetic mean.
Two programs with equal instruction counts run back to back…

Questions that mention Harmonic mean (1)

Two programs with equal instruction counts run back to back, one at 1000 million instructions per second and the other at 500 million. What is the overall average rate?

Related terms

Benchmark CPU time Cycles per instruction (CPI) Flame graph Geometric mean Gustafson's law Little's law Microbenchmark Parallel efficiency Performance counter

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