From 8b6aeda91ded7dc9b8a796eec23740e240438359 Mon Sep 17 00:00:00 2001
From: Andreas Marek <andimarek@fastmail.fm>
Date: Tue, 15 Apr 2025 15:17:04 +1000
Subject: [PATCH 1/2] wip

---
 .../InterThreadMemoizedPerformance.java       | 61 +++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 src/jmh/java/performance/InterThreadMemoizedPerformance.java

diff --git a/src/jmh/java/performance/InterThreadMemoizedPerformance.java b/src/jmh/java/performance/InterThreadMemoizedPerformance.java
new file mode 100644
index 0000000000..d2f5b86d82
--- /dev/null
+++ b/src/jmh/java/performance/InterThreadMemoizedPerformance.java
@@ -0,0 +1,61 @@
+package performance;
+
+
+import graphql.util.InterThreadMemoizedSupplier;
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.BenchmarkMode;
+import org.openjdk.jmh.annotations.Fork;
+import org.openjdk.jmh.annotations.Measurement;
+import org.openjdk.jmh.annotations.Mode;
+import org.openjdk.jmh.annotations.OperationsPerInvocation;
+import org.openjdk.jmh.annotations.OutputTimeUnit;
+import org.openjdk.jmh.annotations.Scope;
+import org.openjdk.jmh.annotations.Setup;
+import org.openjdk.jmh.annotations.State;
+import org.openjdk.jmh.annotations.Threads;
+import org.openjdk.jmh.annotations.Warmup;
+import org.openjdk.jmh.infra.Blackhole;
+
+import java.util.concurrent.TimeUnit;
+
+@State(Scope.Benchmark)
+@Warmup(iterations = 2, time = 5)
+@Measurement(iterations = 3)
+@Fork(1)
+@Threads(Threads.MAX)
+public class InterThreadMemoizedPerformance {
+
+
+    @State(Scope.Benchmark)
+    public static class MyState {
+
+        InterThreadMemoizedSupplier<String> supplier;
+        final String value = "Hello World";
+
+        @Setup
+        public void setup() {
+            supplier = new InterThreadMemoizedSupplier<>(() -> {
+                return "Hello World";
+            });
+
+        }
+    }
+
+
+    @Benchmark
+    @BenchmarkMode(Mode.AverageTime)
+    @OutputTimeUnit(TimeUnit.NANOSECONDS)
+    @OperationsPerInvocation(100)
+    public void accessSupplier(MyState state, Blackhole blackhole) {
+        String result = state.supplier.get();
+        blackhole.consume(result);
+    }
+
+    @Benchmark
+    @BenchmarkMode(Mode.AverageTime)
+    @OutputTimeUnit(TimeUnit.NANOSECONDS)
+    public void accessFinalValue(MyState state, Blackhole blackhole) {
+        blackhole.consume(state.value);
+    }
+
+}

From 695bf110e78e162e3a018a28b8de903cb38176d0 Mon Sep 17 00:00:00 2001
From: Andreas Marek <andimarek@fastmail.fm>
Date: Tue, 15 Apr 2025 15:17:22 +1000
Subject: [PATCH 2/2] wip

---
 src/jmh/java/performance/InterThreadMemoizedPerformance.java | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/jmh/java/performance/InterThreadMemoizedPerformance.java b/src/jmh/java/performance/InterThreadMemoizedPerformance.java
index d2f5b86d82..c75ce83491 100644
--- a/src/jmh/java/performance/InterThreadMemoizedPerformance.java
+++ b/src/jmh/java/performance/InterThreadMemoizedPerformance.java
@@ -45,7 +45,6 @@ public void setup() {
     @Benchmark
     @BenchmarkMode(Mode.AverageTime)
     @OutputTimeUnit(TimeUnit.NANOSECONDS)
-    @OperationsPerInvocation(100)
     public void accessSupplier(MyState state, Blackhole blackhole) {
         String result = state.supplier.get();
         blackhole.consume(result);