Optimize part2 + benchmark

2020-12-16 11:09:55 +01:00
parent edce14cd40
commit 5ffebae101
2 changed files with 104 additions and 40 deletions
@@ -0,0 +1,39 @@
+package be.vandewalleh.aoc.days
+
+import be.vandewalleh.aoc.utils.input.createDay
+import java.util.concurrent.TimeUnit
+import org.openjdk.jmh.annotations.*
+import org.openjdk.jmh.infra.Blackhole
+import org.openjdk.jmh.runner.Runner
+import org.openjdk.jmh.runner.options.Options
+import org.openjdk.jmh.runner.options.OptionsBuilder
+
+/*
+Benchmark             Mode  Cnt  Score   Error  Units
+Day16Benchmark.part2  avgt    5  1.748 ± 0.047  ms/op
+*/
+
+@BenchmarkMode(Mode.AverageTime)
+@OutputTimeUnit(TimeUnit.MILLISECONDS)
+@State(Scope.Benchmark)
+@Warmup(iterations = 3)
+@Measurement(iterations = 5)
+open class Day16Benchmark {
+
+    private val day16 = createDay<Day16>()
+
+    @Benchmark
+    fun part2(blackhole: Blackhole) {
+        blackhole.consume(day16.part2())
+    }
+}
+
+
+fun main() {
+    val opt: Options = OptionsBuilder()
+        .include(Day16Benchmark::class.simpleName)
+        .forks(1)
+        .build()
+
+    Runner(opt).run()
+}