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Make benchmarks 'naive'

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Commander Tvis 2020-06-25 10:24:21 +07:00
parent da1cac5fa8
commit c9de04a610
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1 changed files with 25 additions and 9 deletions
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34
examples/src/benchmarks/kotlin/scientifik/kmath/ast/ExpressionsInterpretersBenchmark.kt → examples/src/main/kotlin/scientifik/kmath/ast/ExpressionsInterpretersBenchmark.kt
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@ -1,21 +1,16 @@
package scientifik.kmath.ast
import org.openjdk.jmh.annotations.Benchmark
import org.openjdk.jmh.annotations.Scope
import org.openjdk.jmh.annotations.State
import scientifik.kmath.asm.compile
import scientifik.kmath.expressions.Expression
import scientifik.kmath.expressions.expressionInField
import scientifik.kmath.expressions.invoke
import scientifik.kmath.operations.Field
import scientifik.kmath.operations.RealField
import kotlin.random.Random
import kotlin.system.measureTimeMillis
@State(Scope.Benchmark)
class ExpressionsInterpretersBenchmark {
private val algebra: Field<Double> = RealField
private val random: Random = Random(1)
@Benchmark
fun functionalExpression() {
val expr = algebra.expressionInField {
variable("x") * const(2.0) + const(2.0) / variable("x") - const(16.0)
@ -24,7 +19,6 @@ class ExpressionsInterpretersBenchmark {
invokeAndSum(expr)
}
@Benchmark
fun mstExpression() {
val expr = algebra.mstInField {
symbol("x") * number(2.0) + number(2.0) / symbol("x") - number(16.0)
@ -33,7 +27,6 @@ class ExpressionsInterpretersBenchmark {
invokeAndSum(expr)
}
@Benchmark
fun asmExpression() {
val expr = algebra.mstInField {
symbol("x") * number(2.0) + number(2.0) / symbol("x") - number(16.0)
@ -43,6 +36,7 @@ class ExpressionsInterpretersBenchmark {
}
private fun invokeAndSum(expr: Expression<Double>) {
val random = Random(0)
var sum = 0.0
repeat(1000000) {
@ -52,3 +46,25 @@ class ExpressionsInterpretersBenchmark {
println(sum)
}
}
fun main() {
val benchmark = ExpressionsInterpretersBenchmark()
val fe = measureTimeMillis {
benchmark.functionalExpression()
}
println("fe=$fe")
val mst = measureTimeMillis {
benchmark.mstExpression()
}
println("mst=$mst")
val asm = measureTimeMillis {
benchmark.asmExpression()
}
println("asm=$asm")
}