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worldgen estimation update

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minjaesong
2024-07-11 18:10:12 +09:00
parent 7f5f11780c
commit 4db090aba0
1 changed files with 13 additions and 10 deletions
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23
src/net/torvald/terrarum/modulebasegame/worldgenerator/Worldgen.kt
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@@ -1,6 +1,5 @@
package net.torvald.terrarum.modulebasegame.worldgenerator package net.torvald.terrarum.modulebasegame.worldgenerator
import com.jme3.math.Vector2f
import com.jme3.math.Vector3f import com.jme3.math.Vector3f
import com.sudoplay.joise.Joise import com.sudoplay.joise.Joise
import com.sudoplay.joise.module.* import com.sudoplay.joise.module.*
@@ -18,7 +17,6 @@ import net.torvald.terrarum.realestate.LandUtil
import net.torvald.terrarum.realestate.LandUtil.CHUNK_H import net.torvald.terrarum.realestate.LandUtil.CHUNK_H
import net.torvald.terrarum.realestate.LandUtil.CHUNK_W import net.torvald.terrarum.realestate.LandUtil.CHUNK_W
import kotlin.experimental.and import kotlin.experimental.and
import kotlin.math.ln
import kotlin.math.pow import kotlin.math.pow
import kotlin.math.roundToLong import kotlin.math.roundToLong
@@ -84,6 +82,7 @@ object Worldgen {
} }
fun generateMap(loadscreen: LoadScreenBase) { fun generateMap(loadscreen: LoadScreenBase) {
val t1 = System.nanoTime()
val jobs = getJobs() val jobs = getJobs()
@@ -120,8 +119,8 @@ object Worldgen {
} }
printdbg(this, "Generation job finished") val tDiff = System.nanoTime() - t1
printdbg(this, "Generation job finished; time took: ${tDiff / 1000000000.0} seconds, bogoflops: ${App.bogoflops}")
} }
private fun Point2iMod(x: Int, y: Int) = Point2i(x fmod (world.width / CHUNK_W), y) private fun Point2iMod(x: Int, y: Int) = Point2i(x fmod (world.width / CHUNK_W), y)
@@ -152,13 +151,17 @@ object Worldgen {
data class Work(val loadingScreenName: String, val theWork: Gen, val tags: List<String>) data class Work(val loadingScreenName: String, val theWork: Gen, val tags: List<String>)
fun getEstimationSec(width: Int, height: Int): Long { fun getEstimationSec(width: Int, height: Int): Long {
val testMachineBogoFlops = 48000000 // test method: fresh new instance every worldgen
val testMachineThreads = 32 // test machine is loaded with the IDE and Web Browser (Firefox) running 1 Twitch stream and 1 YouTube video, both at 1080p
val eqMult = 0.0214 // use google sheet to get trend line equation
val eqPow = 0.396 // use google sheet to get trend line equation
val f = eqMult * (width.toDouble() * height).pow(eqPow) val testMachineBogoFlops = 47518464.58
return (1.3 * (testMachineBogoFlops.toDouble() / bogoflops) * f * (testMachineThreads.toDouble() / THREAD_COUNT)).roundToLong() val testMachineThreads = 32
// eq: ax^b
val a = 0.05 // use google sheet to get trend line equation
val b = 0.343 // use google sheet to get trend line equation
val f = a * (width.toDouble() * height).pow(b)
return (1.25 * (testMachineBogoFlops / bogoflops) * f * (testMachineThreads.toDouble() / THREAD_COUNT)).roundToLong()
} }
/** /**