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v0.3.0-dev-9 #324

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altavir merged 265 commits from dev into master 2021-05-08 17:16:29 +03:00
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benchmarks/src/jvmMain/kotlin/space/kscience/kmath/benchmarks/BigIntBenchmark.kt
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@ -5,22 +5,25 @@
package space.kscience.kmath.benchmarks package space.kscience.kmath.benchmarks
import edu.mcgill.kaliningraph.power
import kotlinx.benchmark.Blackhole import kotlinx.benchmark.Blackhole
import org.openjdk.jmh.annotations.Benchmark import org.openjdk.jmh.annotations.Benchmark
import org.openjdk.jmh.annotations.Scope import org.openjdk.jmh.annotations.Scope
import org.openjdk.jmh.annotations.State import org.openjdk.jmh.annotations.State
import space.kscience.kmath.operations.* import space.kscience.kmath.operations.BigInt
import space.kscience.kmath.operations.BigIntField
import space.kscience.kmath.operations.JBigIntegerField
import space.kscience.kmath.operations.invoke
private fun BigInt.pow(power: Int): BigInt = modPow(BigIntField.number(power), BigInt.ONE)
@State(Scope.Benchmark) @State(Scope.Benchmark)
internal class BigIntBenchmark { internal class BigIntBenchmark {
val kmNumber = BigIntField.number(Int.MAX_VALUE) val kmNumber = BigIntField.number(Int.MAX_VALUE)
val largeKmNumber = BigIntField {
fun BigInt.pow10(): BigInt = power(10, ::multiply)
number(11).pow10().pow10().pow10().pow10().pow10()
}
val jvmNumber = JBigIntegerField.number(Int.MAX_VALUE) val jvmNumber = JBigIntegerField.number(Int.MAX_VALUE)
val largeKmNumber = BigIntField { number(11).pow(100_000) }
val largeJvmNumber = JBigIntegerField { number(11).pow(100_000) } val largeJvmNumber = JBigIntegerField { number(11).pow(100_000) }
val bigExponent = 50_000 val bigExponent = 50_000
@ -41,7 +44,7 @@ internal class BigIntBenchmark {
@Benchmark @Benchmark
fun kmMultiplyLarge(blackhole: Blackhole) = BigIntField { fun kmMultiplyLarge(blackhole: Blackhole) = BigIntField {
blackhole.consume(largeKmNumber.let { it * it }) blackhole.consume(largeKmNumber*largeKmNumber)
} }
@Benchmark @Benchmark
@ -51,12 +54,12 @@ internal class BigIntBenchmark {
@Benchmark @Benchmark
fun jvmMultiplyLarge(blackhole: Blackhole) = JBigIntegerField { fun jvmMultiplyLarge(blackhole: Blackhole) = JBigIntegerField {
blackhole.consume(largeJvmNumber.let { it * it }) blackhole.consume(largeJvmNumber*largeJvmNumber)
} }
@Benchmark @Benchmark
fun kmPower(blackhole: Blackhole) = BigIntField { fun kmPower(blackhole: Blackhole) = BigIntField {
blackhole.consume(kmNumber.power(bigExponent, ::multiply)) blackhole.consume(kmNumber.pow(bigExponent))
} }
@Benchmark @Benchmark