Merge "Java RS latency benchmark."

#

# Copyright (C) 2012 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 := tests

LOCAL_SRC_FILES := $(call all-java-files-under, src) \

                   $(call all-renderscript-files-under, src)

LOCAL_PACKAGE_NAME := RsLatencyBenchmark

include $(BUILD_PACKAGE)

<?xml version="1.0" encoding="utf-8"?>

<!-- Copyright (C) 2012 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.latencybench">

    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

    <uses-sdk android:minSdkVersion="17" />

    <application android:label="_RS_Latency_Bench">

        <activity android:name="LatencyBench">

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

    </application>

</manifest>

<?xml version="1.0" encoding="utf-8"?>

<!-- Copyright (C) 2012 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>

/*

 * Copyright (C) 2012 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.latencybench;

import android.content.Context;

import android.content.res.Resources;

import android.renderscript.*;

public class Benchmark implements Runnable {

    private final RenderScript mRS;

    private ScriptC_compute_benchmark mScript;

    private Allocation ain;

    private Allocation aout;

    public Benchmark(RenderScript rs, Resources res) {

        mRS = rs;

        mScript = new ScriptC_compute_benchmark(mRS, res, R.raw.compute_benchmark);

        ain = Allocation.createSized(rs, Element.U32(mRS), 10000);

        aout = Allocation.createSized(rs, Element.U32(mRS), 10000);

    }

    public void run() {

        int[] temp;

        temp = new int[1];

        long t = java.lang.System.currentTimeMillis();

        for (int i = 0; i < 1000000; i++)

            mScript.forEach_root(ain, aout);

        aout.copy1DRangeFrom(0, 1, temp);

        t = java.lang.System.currentTimeMillis() - t;

        android.util.Log.v("LatencyBench", "Iterated Java forEach took " + t + " ms");

        mScript.set_empty_kern(mScript);

        mScript.set_in(ain);

        mScript.set_out(aout);

        t = java.lang.System.currentTimeMillis();

        mScript.invoke_emptyKernelLauncher();

        aout.copy1DRangeFrom(0, 1, temp);

        t = java.lang.System.currentTimeMillis() - t;

        android.util.Log.v("LatencyBench", "Invoked forEach took " + t + " ms");

    }

}

/*

 * Copyright (C) 2012 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.latencybench;

import android.app.Activity;

import android.os.Bundle;

import android.renderscript.RenderScript;

public class LatencyBench extends Activity {

    private RenderScript mRS;

    private Benchmark mBenchmark;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

        mRS = RenderScript.create(this);

        mBenchmark = new Benchmark(mRS, getResources());

        mBenchmark.run();

    }

}