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| Original file line number | Diff line number | Diff line change |
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| version = 3.4.3 | ||
| version = 3.5.8 | ||
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| runner.dialect = Scala213Source3 | ||
| fileOverride { | ||
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78 changes: 78 additions & 0 deletions
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benchmarks/src/main/scala/cats/effect/benchmarks/RandomBenchmark.scala
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| /* | ||
| * Copyright 2020-2022 Typelevel | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
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| package cats.effect.benchmarks | ||
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| import cats.effect.IO | ||
| import cats.effect.std.Random | ||
| import cats.effect.unsafe.implicits.global | ||
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| import org.openjdk.jmh.annotations._ | ||
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| import java.util.concurrent.TimeUnit | ||
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| /** | ||
| * To do comparative benchmarks between versions: | ||
| * | ||
| * benchmarks/run-benchmark RandomBenchmark | ||
| * | ||
| * This will generate results in `benchmarks/results`. | ||
| * | ||
| * Or to run the benchmark from within sbt: | ||
| * | ||
| * jmh:run -i 10 -wi 10 -f 2 -t 1 cats.effect.benchmarks.RandomBenchmark | ||
| * | ||
| * Which means "10 iterations", "10 warm-up iterations", "2 forks", "1 thread". Please note that | ||
| * benchmarks should be usually executed at least in 10 iterations (as a rule of thumb), but | ||
| * more is better. | ||
| */ | ||
| @State(Scope.Thread) | ||
| @BenchmarkMode(Array(Mode.Throughput)) | ||
| @OutputTimeUnit(TimeUnit.SECONDS) | ||
| class RandomBenchmark { | ||
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| @Param(Array("10000", "100000", "1000000")) | ||
| var size: Int = _ | ||
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| var list: List[Int] = _ | ||
| var vector: Vector[Int] = _ | ||
| var map: Map[String, Int] = _ | ||
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| @Setup | ||
| def setup(): Unit = { | ||
| list = (1 to size).toList | ||
| vector = (1 to size).toVector | ||
| map = (1 to size).map(x => (x.toString, x)).toMap | ||
| } | ||
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| val random: Random[IO] = Random.scalaUtilRandom[IO].unsafeRunSync() | ||
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| @Benchmark | ||
| def elementOfList(): Int = { | ||
| random.elementOf(list).unsafeRunSync() | ||
| } | ||
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| @Benchmark | ||
| def elementOfVector(): Int = { | ||
| random.elementOf(vector).unsafeRunSync() | ||
| } | ||
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| @Benchmark | ||
| def elementOfMap(): (String, Int) = { | ||
| random.elementOf(map).unsafeRunSync() | ||
| } | ||
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| } |
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