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fixed a "bug" that assumed the framerates are normally distributed

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minjaesong
2022-10-15 13:12:14 +09:00
parent 93af194c8a
commit ccef7c32a0
6 changed files with 35 additions and 13 deletions
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20
src/net/torvald/terrarum/TerrarumPostProcessor.kt
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@@ -7,6 +7,7 @@ import com.badlogic.gdx.graphics.glutils.FrameBuffer
import com.badlogic.gdx.graphics.glutils.ShapeRenderer
import com.badlogic.gdx.math.Matrix4
import com.badlogic.gdx.utils.Disposable
import com.jme3.math.FastMath
import net.torvald.random.HQRNG
import net.torvald.terrarum.gamecontroller.KeyToggler
import net.torvald.terrarum.ui.BasicDebugInfoWindow
@@ -162,12 +163,20 @@ object TerrarumPostProcessor : Disposable {
"ΔF: Gathering data (${INGAME.deltaTeeBenchmarks.elemCount}/${INGAME.deltaTeeBenchmarks.size})"
}
else {
val tallies = INGAME.deltaTeeBenchmarks.toList()
val tallies = INGAME.deltaTeeBenchmarks.toList().sorted()
val average = tallies.average()
val stdev = (tallies.sumOf { (it - average).sqr() } / tallies.size).sqrt()
val low5 = average + stdev * -1.64
val low1 = average + stdev * -2.33
"ΔF: Avr ${average.format(1)}; 95% ${low5.format(1)}; 99% ${low1.format(1)}; σ ${stdev.format(1)}"
val halfPos = 0.5f * INGAME.deltaTeeBenchmarks.size
val halfInd = halfPos.floorInt()
val low5pos = 0.05f * INGAME.deltaTeeBenchmarks.size
val low5ind = low5pos.floorInt()
val low1pos = 0.01f * INGAME.deltaTeeBenchmarks.size
val low1ind = low1pos.floorInt()
val median = FastMath.interpolateLinear(halfPos - halfInd, tallies[halfInd], tallies[halfInd + 1])
val low5 = FastMath.interpolateLinear(low5pos - low5ind, tallies[low5ind], tallies[low5ind + 1])
val low1 = FastMath.interpolateLinear(low1pos - low1ind, tallies[low1ind], tallies[low1ind + 1])
"ΔF: Avr ${average.format(1)}; Med ${median.format(1)}; 5% ${low5.format(1)}; 1% ${low1.format(1)}"
}
val tw = App.fontGame.getWidth(benchstr)
App.fontGame.draw(it, benchstr, Toolkit.drawWidth - tw - 5f, App.scr.height - 24f)
@@ -181,6 +190,7 @@ object TerrarumPostProcessor : Disposable {
private val rng = HQRNG()
private fun Double.format(digits: Int) = "%.${digits}f".format(this)
private fun Float.format(digits: Int) = "%.${digits}f".format(this)
private val swizzler = intArrayOf(
1,0,0,0, 0,1,0,0, 0,0,1,0, 0,0,0,1,