From 710c35c35f775dbf94adef0c354d0801aefed68b Mon Sep 17 00:00:00 2001
From: HaHaWTH <102713261+HaHaWTH@users.noreply.github.com>
Date: Mon, 9 Feb 2026 16:33:36 +0800
Subject: [PATCH 1/2] Add BiomeLookupBenchmark

---
 build.gradle.kts                              |  3 ++
 .../benchmarks/jmh/BiomeLookupBenchmark.java  | 43 +++++++++++++++++++
 2 files changed, 46 insertions(+)
 create mode 100644 src/main/java/cn/dreeam/sunbox/benchmarks/jmh/BiomeLookupBenchmark.java

diff --git a/build.gradle.kts b/build.gradle.kts
index d8f91a2..3eb3994 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -32,6 +32,9 @@ tasks {
         val compilerArgs = options.compilerArgs
         options.encoding = Charsets.UTF_8.name()
         compilerArgs.add("--add-modules=jdk.incubator.vector") // Gale - Pufferfish - SIMD support
+        compilerArgs.add("-Xlint:-deprecation")
+        compilerArgs.add("-Xlint:-unchecked")
+        compilerArgs.add("-Xlint:-removal")
     }
 
     build.configure {
diff --git a/src/main/java/cn/dreeam/sunbox/benchmarks/jmh/BiomeLookupBenchmark.java b/src/main/java/cn/dreeam/sunbox/benchmarks/jmh/BiomeLookupBenchmark.java
new file mode 100644
index 0000000..596058e
--- /dev/null
+++ b/src/main/java/cn/dreeam/sunbox/benchmarks/jmh/BiomeLookupBenchmark.java
@@ -0,0 +1,43 @@
+package cn.dreeam.sunbox.benchmarks.jmh;
+
+import org.openjdk.jmh.annotations.*;
+import org.openjdk.jmh.infra.Blackhole;
+
+import java.util.Random;
+import java.util.concurrent.TimeUnit;
+
+@BenchmarkMode(Mode.AverageTime)
+@OutputTimeUnit(TimeUnit.NANOSECONDS)
+@State(Scope.Thread)
+public class BiomeLookupBenchmark {
+
+    private static final double[] QUART_OFFSETS = {0.0D, 0.25D, 0.5D, 0.75D};
+
+    private int[] inputData;
+    private static final int SIZE = 4096; // Size of input array
+    private static final Random rand = new Random(12345L);
+
+    @Setup
+    public void setup() {
+        inputData = new int[SIZE];
+        for (int i = 0; i < SIZE; i++) {
+            inputData[i] = rand.nextInt();
+        }
+    }
+
+    @Benchmark
+    public void testFpDivision(Blackhole bh) {
+        for (int i = 0; i < SIZE; i++) {
+            int val = inputData[i];
+            bh.consume((double) (val & 3) / 4.0);
+        }
+    }
+
+    @Benchmark
+    public void testTableLookup(Blackhole bh) {
+        for (int i = 0; i < SIZE; i++) {
+            int val = inputData[i];
+            bh.consume(QUART_OFFSETS[val & 3]);
+        }
+    }
+}
\ No newline at end of file

From cf6d1818e69e4e622d66258fca8606ffd786e380 Mon Sep 17 00:00:00 2001
From: HaHaWTH <102713261+HaHaWTH@users.noreply.github.com>
Date: Mon, 9 Feb 2026 16:44:04 +0800
Subject: [PATCH 2/2] Reduce noise

---
 src/main/java/cn/dreeam/sunbox/SunBox.java        |  2 +-
 .../benchmarks/jmh/BiomeLookupBenchmark.java      | 15 ++++++++-------
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/src/main/java/cn/dreeam/sunbox/SunBox.java b/src/main/java/cn/dreeam/sunbox/SunBox.java
index 8afd5f5..98c54a7 100644
--- a/src/main/java/cn/dreeam/sunbox/SunBox.java
+++ b/src/main/java/cn/dreeam/sunbox/SunBox.java
@@ -19,7 +19,7 @@ public static void main(String[] args) {
     private static void runJMH() throws Exception {
         Options opt = new OptionsBuilder()
                 // TODO: Notice: Include benchmark class name you want
-                .include("NonNullListGetBenchmark")
+                .include("BiomeLookupBenchmark")
                 .forks(1)
                 .warmupIterations(4)
                 .measurementIterations(10)
diff --git a/src/main/java/cn/dreeam/sunbox/benchmarks/jmh/BiomeLookupBenchmark.java b/src/main/java/cn/dreeam/sunbox/benchmarks/jmh/BiomeLookupBenchmark.java
index 596058e..66faaf4 100644
--- a/src/main/java/cn/dreeam/sunbox/benchmarks/jmh/BiomeLookupBenchmark.java
+++ b/src/main/java/cn/dreeam/sunbox/benchmarks/jmh/BiomeLookupBenchmark.java
@@ -2,7 +2,6 @@
 
 import org.openjdk.jmh.annotations.*;
 import org.openjdk.jmh.infra.Blackhole;
-
 import java.util.Random;
 import java.util.concurrent.TimeUnit;
 
@@ -14,12 +13,12 @@ public class BiomeLookupBenchmark {
     private static final double[] QUART_OFFSETS = {0.0D, 0.25D, 0.5D, 0.75D};
 
     private int[] inputData;
-    private static final int SIZE = 4096; // Size of input array
-    private static final Random rand = new Random(12345L);
+    private static final int SIZE = 4096;
 
     @Setup
     public void setup() {
         inputData = new int[SIZE];
+        Random rand = new Random(12345L);
         for (int i = 0; i < SIZE; i++) {
             inputData[i] = rand.nextInt();
         }
@@ -27,17 +26,19 @@ public void setup() {
 
     @Benchmark
     public void testFpDivision(Blackhole bh) {
+        double sum = 0;
         for (int i = 0; i < SIZE; i++) {
-            int val = inputData[i];
-            bh.consume((double) (val & 3) / 4.0);
+            sum += (double) (inputData[i] & 3) / 4.0;
         }
+        bh.consume(sum);
     }
 
     @Benchmark
     public void testTableLookup(Blackhole bh) {
+        double sum = 0;
         for (int i = 0; i < SIZE; i++) {
-            int val = inputData[i];
-            bh.consume(QUART_OFFSETS[val & 3]);
+            sum += QUART_OFFSETS[inputData[i] & 3];
         }
+        bh.consume(sum);
     }
 }
\ No newline at end of file