Performance core pools

- Generation pool sized to performance cores
- Pregen burst raise sized from performance cores
- Hydrology planner pool sized to performance cores, at least four

core/src/test/java/art/arcane/iris/generation/concurrent/HydrologyBurstTest.java

@@ -12,6 +12,7 @@ import java.util.concurrent.ForkJoinTask;
 import java.util.concurrent.Future;
 import java.util.concurrent.TimeUnit;
 
+import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotSame;
 import static org.junit.Assert.assertSame;
 import static org.junit.Assert.assertTrue;
@@ -60,6 +61,13 @@ public class HydrologyBurstTest {
         assertTrue(pool.isTerminated());
     }
 
+    @Test
+    public void plannerPoolFollowsThePerformanceCores() {
+        assertEquals(12, MultiBurst.HydrologyBurst.plannerParallelism(12));
+        assertEquals(4, MultiBurst.HydrologyBurst.plannerParallelism(1));
+        assertEquals(32, MultiBurst.HydrologyBurst.plannerParallelism(32));
+    }
+
     @Test
     public void closedHydrologyWorkersTerminateAndReopenCreatesANewPool() throws Exception {
         IrisSettings previousSettings = IrisSettings.settings;

core/src/test/java/art/arcane/iris/world/pregen/PregenPerformanceProfileTest.java

@@ -99,7 +99,7 @@ public class PregenPerformanceProfileTest {
     }
 
     @Test
-    public void pregenerationWantsTwoBurstWorkersPerCore() {
+    public void pregenerationWantsTwoBurstWorkersPerPerformanceCore() {
         assertEquals(32, PregenPerformanceProfile.pregenBurstParallelism(16));
         assertEquals(4, PregenPerformanceProfile.pregenBurstParallelism(1));
     }