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Code Issues Releases Activity

Better caching

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This commit is contained in:
DanLT
2021-06-22 09:35:28 -08:00
parent b59278601c
commit a45d311339
2 changed files with 19 additions and 13 deletions
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24
src/main/java/com/volmit/iris/scaffold/stream/utility/CachedStream2D.java
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@@ -1,23 +1,28 @@
package com.volmit.iris.scaffold.stream.utility;
import com.github.benmanes.caffeine.cache.Caffeine;
import com.github.benmanes.caffeine.cache.LoadingCache;
import com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap;
import com.volmit.iris.Iris;
import com.volmit.iris.scaffold.cache.Cache;
import com.volmit.iris.scaffold.stream.BasicStream;
import com.volmit.iris.scaffold.stream.ProceduralStream;
import com.volmit.iris.util.ChronoLatch;
import com.volmit.iris.util.Form;
public class CachedStream2D<T> extends BasicStream<T> implements ProceduralStream<T>
{
private final ProceduralStream<T> stream;
private final LoadingCache<Long, T> cache;
private final ConcurrentLinkedHashMap<Long, T> cache;
private ChronoLatch cl = new ChronoLatch(1000);
public CachedStream2D(ProceduralStream<T> stream, int size)
{
super();
this.stream = stream;
cache = Caffeine.newBuilder()
.maximumSize(size)
.build((b) -> stream.get(Cache.keyX(b), Cache.keyZ(b)));
cache = new ConcurrentLinkedHashMap.Builder<Long, T>()
.initialCapacity(size)
.maximumWeightedCapacity(size)
.concurrencyLevel(32)
.build();
}
@Override
@@ -35,7 +40,12 @@ public class CachedStream2D<T> extends BasicStream<T> implements ProceduralStrea
@Override
public T get(double x, double z)
{
return cache.get(Cache.key((int) x, (int) z));
if(cl.flip())
{
Iris.info("Cache: " + Form.f(cache.size()) + " / " + Form.f(cache.weightedSize()));
}
long ck = Cache.key((int) x, (int) z);
return cache.compute(ck, (k, v) -> v != null ? v : stream.get(Cache.keyX(ck), Cache.keyZ(ck)));
}
@Override