DBot/overdrive_that_matters
DBot/overdrive_that_matters
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Use nested caches for enormous placements instead of weak hash map

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Should recycle memory better
This commit is contained in:
DBotThePony 2025-03-09 13:34:47 +07:00
parent cc456958e1
commit 44b0bcd776
Signed by: DBot
GPG Key ID: DCC23B5715498507
1 changed files with 14 additions and 12 deletions
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12
src/main/kotlin/ru/dbotthepony/mc/otm/worldgen/placement/EnormousPlacement.kt
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@ -66,12 +66,15 @@ class EnormousPlacement(
}
}
private val level2cache = WeakHashMap<WorldGenLevel, Cache<ChunkPos, GeneratedChunk>>()
private val lock = ReentrantLock()
private val level2cache = Caffeine.newBuilder()
.scheduler(Scheduler.systemScheduler())
.executor(Util.backgroundExecutor())
.expireAfterAccess(Duration.ofMinutes(10))
.weakKeys()
.build<WorldGenLevel, Cache<ChunkPos, GeneratedChunk>>()
private fun getCache(level: WorldGenLevel): Cache<ChunkPos, GeneratedChunk> {
return lock.withLock {
level2cache.computeIfAbsent(level) {
return level2cache.get(level) {
Caffeine.newBuilder()
.scheduler(Scheduler.systemScheduler())
.executor(Util.backgroundExecutor())
@ -81,7 +84,6 @@ class EnormousPlacement(
.build()
}
}
}
private fun computeChunk(context: PlacementContext, pos: ChunkPos): GeneratedChunk {
val bytes = FastByteArrayOutputStream()