Update BigIntBenchmark.kt
unify definition (pow function seems to work wrong
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@ -12,16 +12,17 @@ import org.openjdk.jmh.annotations.Scope
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import org.openjdk.jmh.annotations.State
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import space.kscience.kmath.operations.*
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private fun BigInt.pow(power: Int): BigInt = modPow(BigIntField.number(power), BigInt.ONE)
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@State(Scope.Benchmark)
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internal class BigIntBenchmark {
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val kmNumber = BigIntField.number(Int.MAX_VALUE)
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val largeKmNumber = BigIntField {
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fun BigInt.pow10(): BigInt = power(10, ::multiply)
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number(11).pow10().pow10().pow10().pow10().pow10()
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}
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val jvmNumber = JBigIntegerField.number(Int.MAX_VALUE)
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val largeJvmNumber = JBigIntegerField { number(11).pow(100_000) }
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val largeKmNumber = BigIntField { number(11).pow(100_000) }
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val largeJvmNumber = JBigIntegerField { number(11).pow(100_000) }
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val bigExponent = 50_000
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@Benchmark
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@ -41,7 +42,7 @@ internal class BigIntBenchmark {
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@Benchmark
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fun kmMultiplyLarge(blackhole: Blackhole) = BigIntField {
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blackhole.consume(largeKmNumber.let { it * it })
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blackhole.consume(largeKmNumber*largeKmNumber)
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}
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@Benchmark
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@ -51,16 +52,16 @@ internal class BigIntBenchmark {
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@Benchmark
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fun jvmMultiplyLarge(blackhole: Blackhole) = JBigIntegerField {
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blackhole.consume(largeJvmNumber.let { it * it })
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blackhole.consume(largeJvmNumber*largeJvmNumber)
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}
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@Benchmark
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fun kmPower(blackhole: Blackhole) = BigIntField {
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blackhole.consume(kmNumber.power(bigExponent, ::multiply))
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blackhole.consume(kmNumber.pow(bigExponent))
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}
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@Benchmark
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fun jvmPower(blackhole: Blackhole) = JBigIntegerField {
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blackhole.consume(jvmNumber.pow(bigExponent))
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}
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}
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}
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