mockingbirdnest/Principia — pull request #148 by pleroy (2014-09-09 21:05:15+00:00)
Title: Use Velocity to represent the speed and Instant to represent the time.

This is not good. The benchmarks are 50% slower and we lose accuracy:

Benchmarking on 1 X 3310 MHz CPU
2014/09/09-22:57:27
Benchmark Time(ns) CPU(ns) Iterations
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BM_SolarSystem 33839594579 33805416700 1 9.8335070219601273e-01 ua
BM_SolarSystem 37943762279 37908243000 1 9.8335070219601273e-01 ua
BM_SolarSystem 33414314246 33337413700 1 9.8335070219601273e-01 ua
BM_SolarSystem 33822351909 33805416700 1 9.8335070219601273e-01 ua
BM_SolarSystem 33482319093 33477814600 1 9.8335070219601273e-01 ua
BM_SolarSystem_mean 34500468421 34466860940 1 9.8335070219601273e-01 ua
BM_SolarSystem_stddev 1730273260 1730432962 0 9.8335070219601273e-01 ua