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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 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.asm.compile
import scientifik.kmath.expressions.Expression import scientifik.kmath.expressions.Expression
import scientifik.kmath.expressions.expressionInField import scientifik.kmath.expressions.expressionInField
import scientifik.kmath.expressions.invoke
import scientifik.kmath.operations.Field import scientifik.kmath.operations.Field
import scientifik.kmath.operations.RealField import scientifik.kmath.operations.RealField
import kotlin.random.Random import kotlin.random.Random
import kotlin.system.measureTimeMillis
@State(Scope.Benchmark)
class ExpressionsInterpretersBenchmark { class ExpressionsInterpretersBenchmark {
private val algebra: Field<Double> = RealField private val algebra: Field<Double> = RealField
private val random: Random = Random(1)
@Benchmark
fun functionalExpression() { fun functionalExpression() {
val expr = algebra.expressionInField { val expr = algebra.expressionInField {
variable("x") * const(2.0) + const(2.0) / variable("x") - const(16.0) variable("x") * const(2.0) + const(2.0) / variable("x") - const(16.0)
@ -24,7 +19,6 @@ class ExpressionsInterpretersBenchmark {
invokeAndSum(expr) invokeAndSum(expr)
} }
@Benchmark
fun mstExpression() { fun mstExpression() {
val expr = algebra.mstInField { val expr = algebra.mstInField {
symbol("x") * number(2.0) + number(2.0) / symbol("x") - number(16.0) symbol("x") * number(2.0) + number(2.0) / symbol("x") - number(16.0)
@ -33,7 +27,6 @@ class ExpressionsInterpretersBenchmark {
invokeAndSum(expr) invokeAndSum(expr)
} }
@Benchmark
fun asmExpression() { fun asmExpression() {
val expr = algebra.mstInField { val expr = algebra.mstInField {
symbol("x") * number(2.0) + number(2.0) / symbol("x") - number(16.0) 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>) { private fun invokeAndSum(expr: Expression<Double>) {
val random = Random(0)
var sum = 0.0 var sum = 0.0
repeat(1000000) { repeat(1000000) {
@ -52,3 +46,25 @@ class ExpressionsInterpretersBenchmark {
println(sum) 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")
}