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Java parallel stream is significantly faster than the same stream converted into a Kotlin sequence
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import kotlin.streams.asSequence | |
import kotlin.system.measureTimeMillis | |
val k = 500000000L | |
println(measureTimeMillis { | |
java.util.stream.LongStream.range(1, k) | |
.parallel() | |
.asSequence() | |
.map { it.toString().length.toLong() } | |
.max() } ) | |
println(measureTimeMillis { | |
java.util.stream.LongStream.range(1, k) | |
.parallel() | |
.map { it.toString().length.toLong() } | |
.max() } ) | |
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