--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/org/openjdk/gcbench/tenure/Arrays.java	Mon Dec 19 17:23:14 2016 +0100
@@ -0,0 +1,40 @@
+package org.openjdk.gcbench.tenure;
+
+import org.openjdk.gcbench.alloc.uninit.AllocUninit;
+import org.openjdk.jmh.annotations.*;
+
+import java.util.concurrent.TimeUnit;
+
+@Warmup(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
+@Measurement(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
+@Fork(jvmArgsPrepend = {"--add-exports", "java.base/jdk.internal.misc=ALL-UNNAMED"})
+@BenchmarkMode(Mode.AverageTime)
+@OutputTimeUnit(TimeUnit.NANOSECONDS)
+@Threads(Threads.MAX)
+@State(Scope.Thread)
+public class Arrays {
+
+    Object[] tenures;
+
+    @Param({"100000"})
+    int size;
+
+    int idx;
+
+    @Setup
+    public void setup() {
+        tenures = new Object[size];
+    }
+
+    @Benchmark
+    public void test() {
+        int cur = idx;
+        tenures[cur] = AllocUninit.alloc(1000);
+        if (cur + 1 < size) {
+            idx = cur + 1;
+        } else {
+            idx = 0;
+        }
+    }
+
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/org/openjdk/gcbench/tenure/Queues.java	Mon Dec 19 17:23:14 2016 +0100
@@ -0,0 +1,38 @@
+package org.openjdk.gcbench.tenure;
+
+import org.openjdk.gcbench.alloc.uninit.AllocUninit;
+import org.openjdk.jmh.annotations.*;
+
+import java.util.concurrent.ConcurrentLinkedDeque;
+import java.util.concurrent.ConcurrentLinkedQueue;
+import java.util.concurrent.TimeUnit;
+
+@Warmup(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
+@Measurement(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
+@Fork(jvmArgsPrepend = {"--add-exports", "java.base/jdk.internal.misc=ALL-UNNAMED"})
+@BenchmarkMode(Mode.AverageTime)
+@OutputTimeUnit(TimeUnit.NANOSECONDS)
+@Threads(Threads.MAX)
+@State(Scope.Benchmark)
+public class Queues {
+
+    ConcurrentLinkedQueue<Object> tenures;
+
+    @Param({"100000"})
+    int size;
+
+    @Setup
+    public void setup() {
+        tenures = new ConcurrentLinkedQueue<>();
+        for (int c = 0; c < size; c++) {
+            tenures.add(new byte[64]);
+        }
+    }
+
+    @Benchmark
+    public Object test() {
+        tenures.add(new byte[64]);
+        return tenures.poll();
+    }
+
+}