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Implement NoiseFunction2 cache

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dfsek
2020-11-21 16:14:09 -07:00
parent 4174dc9ab0
commit 1f8d9a710f
2 changed files with 50 additions and 6 deletions
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29
src/test/java/NoiseTest.java
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@@ -9,13 +9,32 @@ public class NoiseTest {
@Test
public void noise() {
NoiseFunction2 noiseFunction = new NoiseFunction2(12345, new NoiseBuilder());
System.out.println("Cache:");
for(int i = 0; i < 10; i++) {
long l = System.nanoTime();
for(int j = 0; j < 1000000; j++) {
noiseFunction.eval(Arrays.asList(get(j), get(i)));
noiseFunction.eval(Arrays.asList(get(j), get(i)));
noiseFunction.eval(Arrays.asList(get(j), get(i)));
for(int j = 0; j < 20000; j++) {
for(int x = 0; x < 4; x++) {
for(int y = 0; y < 64; y++) {
for(int z = 0; z < 4; z++) {
noiseFunction.eval(Arrays.asList(get(j * 16 + (x * 4)), get(i * 16 + (z * 4))));
}
}
}
}
double n = System.nanoTime() - l;
System.out.println(n / 1000000 + "ms");
}
System.out.println("No Cache:");
for(int i = 0; i < 10; i++) {
long l = System.nanoTime();
for(int j = 0; j < 20000; j++) {
for(int x = 0; x < 4; x++) {
for(int y = 0; y < 64; y++) {
for(int z = 0; z < 4; z++) {
noiseFunction.evalNoCache(Arrays.asList(get(j * 16 + (x * 4)), get(i * 16 + (z * 4))));
}
}
}
}
double n = System.nanoTime() - l;
System.out.println(n / 1000000 + "ms");