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ThreadsTime (s)SpeedupComments
1140.41.0
271.62.02 threads is 2x faster than 1 thread
348.52.9
437.23.8
531.04.5
626.65.3
723.85.9
821.66.5
920.07.0
1018.77.510 threads is 7.5x faster than 1 thread
1117.77.9
1216.88.4There are exactly 12 CPU cores (logical) on test machine
1316.78.4
1416.78.4
1516.88.4
2016.88.4
3016.78.4
4016.88.4
5016.78.4

Graphs

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Observations

  • There were no failures during the tests (e.g. timeouts or refused connections).
  • Performance increases nearly linearly with increasing thread count, up to the number of CPU cores.
  • Performance stops increasing when the number of threads equals the number of CPU cores (expected).
  • Verbose statistics show that each individual request takes around 0.14 seconds, regardless of thread count (but with multiple CPU cores, requests are really done in parallel).

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