Created
November 15, 2013 04:58
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thyme comparisons
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| scala> val th = new ichi.bench.Thyme | |
| th: ichi.bench.Thyme = ichi.bench.Thyme@105e4712 | |
| scala> val upperRx = "[A-Z]".r | |
| upperRx: scala.util.matching.Regex = [A-Z] | |
| scala> val lc = "alllowercase" | |
| lc: String = alllowercase | |
| scala> val uc1 = "Ryanlecompte" | |
| uc1: String = Ryanlecompte | |
| scala> val uc2 = "ryanleCompte" | |
| uc2: String = ryanleCompte | |
| scala> def meth1(s: String): Boolean = upperRx.findFirstIn(s).isEmpty | |
| meth1: (s: String)Boolean | |
| scala> def meth2(s: String): Boolean = s.forall { Character.isLowerCase(_) } | |
| meth2: (s: String)Boolean | |
| scala> th.pbench { meth1(lc) } | |
| Benchmark (10485740 calls in 2.253 s) | |
| Time: 198.0 ns 95% CI 189.1 ns - 206.8 ns (n=20) | |
| Garbage: 2.861 ns (n=13 sweeps measured) | |
| res0: Boolean = true | |
| scala> th.pbench { meth2(lc) } | |
| Benchmark (20971500 calls in 2.253 s) | |
| Time: 103.6 ns 95% CI 99.39 ns - 107.7 ns (n=20) | |
| Garbage: 0.7629 ns (n=7 sweeps measured) | |
| res1: Boolean = true | |
| scala> 20971500 > 10485740 | |
| res2: Boolean = true | |
| scala> th.pbench { meth1(uc1) } | |
| Benchmark (41943020 calls in 4.148 s) | |
| Time: 94.70 ns 95% CI 90.66 ns - 98.74 ns (n=20) | |
| Garbage: 2.480 ns (n=56 sweeps measured) | |
| res3: Boolean = false | |
| scala> th.pbench { meth2(uc1) } | |
| Benchmark (83886060 calls in 1.837 s) | |
| Time: 20.59 ns 95% CI 19.59 ns - 21.60 ns (n=20) | |
| Garbage: 0.3099 ns (n=15 sweeps measured) | |
| res4: Boolean = false | |
| scala> 83886060 > 41943020 | |
| res5: Boolean = true | |
| scala> th.pbench { meth1(uc2) } | |
| Benchmark (10485740 calls in 1.602 s) | |
| Time: 143.5 ns 95% CI 135.5 ns - 151.4 ns (n=20) | |
| Garbage: 3.242 ns (n=14 sweeps measured) | |
| res6: Boolean = false | |
| scala> th.pbench { meth2(uc2) } | |
| Benchmark (41943020 calls in 2.570 s) | |
| Time: 59.27 ns 95% CI 57.19 ns - 61.35 ns (n=20) | |
| Garbage: 0.3815 ns (n=8 sweeps measured) | |
| res7: Boolean = false | |
| scala> 41943020 > 10485740 | |
| res8: Boolean = true | |
| scala> |
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