diff --git a/tests/RenderScriptTests/ComputePerf/Android.mk b/tests/RenderScriptTests/ComputePerf/Android.mk
new file mode 100644
index 0000000..1d67d29
--- /dev/null
+++ b/tests/RenderScriptTests/ComputePerf/Android.mk
@@ -0,0 +1,27 @@
+#
+# Copyright (C) 2011 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+LOCAL_PATH := $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_MODULE_TAGS := optional
+
+LOCAL_SRC_FILES := $(call all-java-files-under, src) \
+                   $(call all-renderscript-files-under, src)
+
+LOCAL_PACKAGE_NAME := RsComputePerf
+
+include $(BUILD_PACKAGE)
diff --git a/tests/RenderScriptTests/ComputePerf/AndroidManifest.xml b/tests/RenderScriptTests/ComputePerf/AndroidManifest.xml
new file mode 100644
index 0000000..a9193b5
--- /dev/null
+++ b/tests/RenderScriptTests/ComputePerf/AndroidManifest.xml
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2011 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.android.rs.computeperf">
+
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />    
+    <uses-sdk android:minSdkVersion="14" />
+    <application android:label="Compute Perf">
+        <activity android:name="ComputePerf">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+</manifest>
diff --git a/tests/RenderScriptTests/ComputePerf/res/layout/main.xml b/tests/RenderScriptTests/ComputePerf/res/layout/main.xml
new file mode 100644
index 0000000..61cd24d
--- /dev/null
+++ b/tests/RenderScriptTests/ComputePerf/res/layout/main.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2011 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+    <ImageView
+        android:id="@+id/displayin"
+        android:layout_width="320dip"
+        android:layout_height="266dip" />
+
+    <ImageView
+        android:id="@+id/displayout"
+        android:layout_width="320dip"
+        android:layout_height="266dip" />
+
+</LinearLayout>
diff --git a/tests/RenderScriptTests/ComputePerf/src/com/example/android/rs/computeperf/ComputePerf.java b/tests/RenderScriptTests/ComputePerf/src/com/example/android/rs/computeperf/ComputePerf.java
new file mode 100644
index 0000000..d0e089b
--- /dev/null
+++ b/tests/RenderScriptTests/ComputePerf/src/com/example/android/rs/computeperf/ComputePerf.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.example.android.rs.computeperf;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.graphics.BitmapFactory;
+import android.graphics.Bitmap;
+import android.renderscript.RenderScript;
+import android.renderscript.Allocation;
+import android.widget.ImageView;
+
+public class ComputePerf extends Activity {
+
+    private LaunchTest mLT;
+    private RenderScript mRS;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.main);
+
+        mRS = RenderScript.create(this);
+        mLT = new LaunchTest(mRS, getResources());
+        mLT.run();
+        mLT.run();
+    }
+
+}
diff --git a/tests/RenderScriptTests/ComputePerf/src/com/example/android/rs/computeperf/LaunchTest.java b/tests/RenderScriptTests/ComputePerf/src/com/example/android/rs/computeperf/LaunchTest.java
new file mode 100644
index 0000000..0c29ce1
--- /dev/null
+++ b/tests/RenderScriptTests/ComputePerf/src/com/example/android/rs/computeperf/LaunchTest.java
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.example.android.rs.computeperf;
+
+import android.content.res.Resources;
+import android.renderscript.*;
+
+public class LaunchTest implements Runnable {
+    private RenderScript mRS;
+    private Allocation mAllocationX;
+    private Allocation mAllocationXY;
+    private ScriptC_launchtestxlw mScript_xlw;
+    private ScriptC_launchtestxyw mScript_xyw;
+
+    LaunchTest(RenderScript rs, Resources res) {
+        mRS = rs;
+        mScript_xlw = new ScriptC_launchtestxlw(mRS, res, R.raw.launchtestxlw);
+        mScript_xyw = new ScriptC_launchtestxyw(mRS, res, R.raw.launchtestxyw);
+        final int dim = mScript_xlw.get_dim();
+
+        mAllocationX = Allocation.createSized(rs, Element.U8(rs), dim);
+        Type.Builder tb = new Type.Builder(rs, Element.U8(rs));
+        tb.setX(dim);
+        tb.setY(dim);
+        mAllocationXY = Allocation.createTyped(rs, tb.create());
+        mScript_xlw.bind_buf(mAllocationXY);
+    }
+
+    public void run() {
+        long t = java.lang.System.currentTimeMillis();
+        mScript_xlw.forEach_root(mAllocationX);
+        mRS.finish();
+        t = java.lang.System.currentTimeMillis() - t;
+        android.util.Log.v("ComputePerf", "xlw launch test  ms " + t);
+
+        t = java.lang.System.currentTimeMillis();
+        mScript_xyw.forEach_root(mAllocationXY);
+        mRS.finish();
+        t = java.lang.System.currentTimeMillis() - t;
+        android.util.Log.v("ComputePerf", "xyw launch test  ms " + t);
+    }
+
+}
diff --git a/tests/RenderScriptTests/ComputePerf/src/com/example/android/rs/computeperf/launchtestxlw.rs b/tests/RenderScriptTests/ComputePerf/src/com/example/android/rs/computeperf/launchtestxlw.rs
new file mode 100644
index 0000000..47ae8ca
--- /dev/null
+++ b/tests/RenderScriptTests/ComputePerf/src/com/example/android/rs/computeperf/launchtestxlw.rs
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma version(1)
+#pragma rs java_package_name(com.example.android.rs.computeperf)
+
+const int dim = 2048;
+uint8_t *buf;
+
+void root(uchar *v_out, uint32_t x) {
+    uint8_t *p = buf;
+    p += x * 2048;
+    for (int i=0; i<2048; i++) {
+        p[i] = 1;
+    }
+}
+
diff --git a/tests/RenderScriptTests/ComputePerf/src/com/example/android/rs/computeperf/launchtestxyw.rs b/tests/RenderScriptTests/ComputePerf/src/com/example/android/rs/computeperf/launchtestxyw.rs
new file mode 100644
index 0000000..7f7aa95
--- /dev/null
+++ b/tests/RenderScriptTests/ComputePerf/src/com/example/android/rs/computeperf/launchtestxyw.rs
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma version(1)
+#pragma rs java_package_name(com.example.android.rs.computeperf)
+
+void root(uchar *v_out, uint32_t x, uint32_t y) {
+    *v_out = 0;
+}
+