LIndexBenchmarks.scala

/*
 * Copyright 2021 John A. De Goes and the ZIO contributors
 *
 * 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.
 */

package zio.redis.benchmarks.lists

import org.openjdk.jmh.annotations._
import zio.redis._
import zio.redis.benchmarks._
import zio.{Scope => _, _}

import java.util.concurrent.TimeUnit

@State(Scope.Thread)
@BenchmarkMode(Array(Mode.Throughput))
@OutputTimeUnit(TimeUnit.SECONDS)
@Measurement(iterations = 15)
@Warmup(iterations = 15)
@Fork(2)
class LIndexBenchmarks extends BenchmarkRuntime {
  @Param(Array("500"))
  var count: Int = _

  private var items: List[Int] = _

  private val key = "test-list"

  @Setup(Level.Trial)
  def setup(): Unit = {
    items = (0 to count).toList
    execute(ZIO.serviceWithZIO[Redis](_.rPush(key, items.head, items.tail: _*).unit))
  }

  @TearDown(Level.Trial)
  def tearDown(): Unit =
    execute(ZIO.serviceWithZIO[Redis](_.del(key).unit))

  @Benchmark
  def laserdisc(): Unit = {
    import _root_.laserdisc.fs2._
    import _root_.laserdisc.{all => cmd, _}
    import cats.instances.list._
    import cats.syntax.foldable._

    execute[LaserDiscClient](c =>
      items.traverse_(i => c.send(cmd.lindex[String](Key.unsafeFrom(key), Index.unsafeFrom(i.toLong))))
    )
  }

  @Benchmark
  def rediculous(): Unit = {
    import cats.implicits._
    import io.chrisdavenport.rediculous._

    execute[RediculousClient](c => items.traverse_(i => RedisCommands.lindex[RedisIO](key, i).run(c)))
  }

  @Benchmark
  def redis4cats(): Unit = {
    import cats.instances.list._
    import cats.syntax.foldable._

    execute[Redis4CatsClient[String]](c => items.traverse_(i => c.lIndex(key, i.toLong)))
  }

  @Benchmark
  def zio(): Unit = execute(
    ZIO.foreachDiscard(items)(i => ZIO.serviceWithZIO[Redis](_.lIndex(key, i.toLong).returning[String]))
  )
}