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a little experimets

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minjaesong
2019-05-22 00:01:38 +09:00
parent 046f2d4b6c
commit 2ab1443885
1 changed files with 14 additions and 3 deletions
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17
src/net/torvald/terrarum/worlddrawer/Cvec.kt
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@@ -11,12 +11,23 @@ import kotlin.math.roundToInt
* NOTE: Panama's new vectors are all immutable.
* NOTE2: Class inlining vastly improves the performance
*
* -XX:TypeProfileLevel=121 -XX:+UseVectorApiIntrinsics --add-modules=jdk.incubator.vector
*
* Created by minjaesong on 2019-05-20.
*/
inline class Cvec constructor(val vec: FloatVector) {
/*
Test log
I ran with following jvm args:
-XX:TypeProfileLevel=121 -XX:+UseVectorApiIntrinsics --add-modules=jdk.incubator.vector
and it's slower than the legacy.
This time I removed the TypeProfileLevel part. It now runs slightly faster than the legacy?
-XX:+UseVectorApiIntrinsics --add-modules=jdk.incubator.vector
<<append from here>>
*/
//constructor(floatArray: FloatArray) : this(FloatVector.fromArray(SPECIES, floatArray, 0))
constructor(r: Float, g: Float, b: Float, a: Float) : this(FloatVector.scalars(SPECIES, r, g, b, a))
constructor(scalar: Float) : this(FloatVector.scalars(SPECIES, scalar, scalar, scalar, scalar))
@@ -24,7 +35,7 @@ inline class Cvec constructor(val vec: FloatVector) {
companion object {
private val EPSILON = 1f / 512f
private val SPECIES = FloatVector.SPECIES_256
private val SPECIES = FloatVector.SPECIES_128
}
//fun cpy(): Cvec = Cvec(this.vec)