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Commit c7fda7b5 authored by Miguel Aranda's avatar Miguel Aranda Committed by Automerger Merge Worker
Browse files

Merge "Add first set of libcore benchmarks to the System Health CB framework." am: e01a01ca 

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1986426



Change-Id: Iae1a66165221f45051be17c4d047b5bd5be3999b
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 6a47166d e01a01ca

apct-tests/perftests/core/src/android/libcore/AdditionPerfTest.java

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/*

 * Copyright (C) 2016 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 android.libcore;



import android.perftests.utils.BenchmarkState;

import android.perftests.utils.PerfStatusReporter;

import android.test.suitebuilder.annotation.LargeTest;



import androidx.test.runner.AndroidJUnit4;



import org.junit.Rule;

import org.junit.Test;

import org.junit.runner.RunWith;



/**

 * What do various kinds of addition cost?

 */

@RunWith(AndroidJUnit4.class)

@LargeTest

public class AdditionPerfTest {



    @Rule

    public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();



    @Test

    public int timeAddConstantToLocalInt() {

        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();

        int result = 0;

        while (state.keepRunning()) {

            result += 123;

        }

        return result;

    }

    @Test

    public int timeAddTwoLocalInts() {

        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();

        int result = 0;

        int constant = 123;

        while (state.keepRunning()) {

            result += constant;

        }

        return result;

    }

    @Test

    public long timeAddConstantToLocalLong() {

        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();

        long result = 0;

        while (state.keepRunning()) {

            result += 123L;

        }

        return result;

    }

    @Test

    public long timeAddTwoLocalLongs() {

        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();

        long result = 0;

        long constant = 123L;

        while (state.keepRunning()) {

            result += constant;

        }

        return result;

    }

    @Test

    public float timeAddConstantToLocalFloat() {

        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();

        float result = 0.0f;

        while (state.keepRunning()) {

            result += 123.0f;

        }

        return result;

    }

    @Test

    public float timeAddTwoLocalFloats() {

        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();

        float result = 0.0f;

        float constant = 123.0f;

        while (state.keepRunning()) {

            result += constant;

        }

        return result;

    }

    @Test

    public double timeAddConstantToLocalDouble() {

        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();

        double result = 0.0;

        while (state.keepRunning()) {

            result += 123.0;

        }

        return result;

    }

    @Test

    public double timeAddTwoLocalDoubles() {

        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();

        double result = 0.0;

        double constant = 123.0;

        while (state.keepRunning()) {

            result += constant;

        }

        return result;

    }

}

apct-tests/perftests/core/src/android/libcore/ArrayCopyPerfTest.java

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/*

 * Copyright (C) 2016 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 android.libcore;



import android.perftests.utils.BenchmarkState;

import android.perftests.utils.PerfStatusReporter;

import android.test.suitebuilder.annotation.LargeTest;



import androidx.test.runner.AndroidJUnit4;



import org.junit.Rule;

import org.junit.Test;

import org.junit.runner.RunWith;



import java.util.Arrays;



@RunWith(AndroidJUnit4.class)

@LargeTest

public class ArrayCopyPerfTest {



    @Rule

    public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();



    @Test

    public void timeManualArrayCopy() {

        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();

        char[] src = new char[8192];

        while (state.keepRunning()) {

            char[] dst = new char[8192];

            for (int i = 0; i < 8192; ++i) {

                dst[i] = src[i];

            }

        }

    }



    @Test

    public void time_System_arrayCopy() {

        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();

        char[] src = new char[8192];

        while (state.keepRunning()) {

            char[] dst = new char[8192];

            System.arraycopy(src, 0, dst, 0, 8192);

        }

    }



    @Test

    public void time_Arrays_copyOf() {

        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();

        char[] src = new char[8192];

        while (state.keepRunning()) {

            char[] dst = Arrays.copyOf(src, 8192);

        }

    }



    @Test

    public void time_Arrays_copyOfRange() {

        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();

        char[] src = new char[8192];

        while (state.keepRunning()) {

            char[] dst = Arrays.copyOfRange(src, 0, 8192);

        }

    }

}

apct-tests/perftests/core/src/android/libcore/ArrayIterationPerfTest.java

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Original line number Diff line number Diff line 
/*

 * Copyright (C) 2016 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 android.libcore;



import android.perftests.utils.BenchmarkState;

import android.perftests.utils.PerfStatusReporter;

import android.test.suitebuilder.annotation.LargeTest;



import androidx.test.runner.AndroidJUnit4;



import org.junit.Rule;

import org.junit.Test;

import org.junit.runner.RunWith;



/**

 * How do various ways of iterating through an array compare?

 */

@RunWith(AndroidJUnit4.class)

@LargeTest

public class ArrayIterationPerfTest {



    public class Foo {

        int mSplat;

    }



    @Rule

    public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();



    Foo[] mArray = new Foo[27];

    {

        for (int i = 0; i < mArray.length; ++i) mArray[i] = new Foo();

    }

    @Test

    public void timeArrayIteration() {

        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();

        while (state.keepRunning()) {

            int sum = 0;

            for (int i = 0; i < mArray.length; i++) {

                sum += mArray[i].mSplat;

            }

        }

    }

    @Test

    public void timeArrayIterationCached() {

        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();

        while (state.keepRunning()) {

            int sum = 0;

            Foo[] localArray = mArray;

            int len = localArray.length;



            for (int i = 0; i < len; i++) {

                sum += localArray[i].mSplat;

            }

        }

    }

    @Test

    public void timeArrayIterationForEach() {

        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();

        while (state.keepRunning()) {

            int sum = 0;

            for (Foo a: mArray) {

                sum += a.mSplat;

            }

        }

    }

}

apct-tests/perftests/core/src/android/libcore/ArrayListIterationPerfTest.java

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Original line number Diff line number Diff line 
/*

 * Copyright (C) 2016 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 android.libcore;



import android.perftests.utils.BenchmarkState;

import android.perftests.utils.PerfStatusReporter;

import android.test.suitebuilder.annotation.LargeTest;



import androidx.test.runner.AndroidJUnit4;



import org.junit.Rule;

import org.junit.Test;

import org.junit.runner.RunWith;



import java.util.ArrayList;



/**

 * Is a hand-coded counted loop through an ArrayList cheaper than enhanced for?

 */

@RunWith(AndroidJUnit4.class)

@LargeTest

public class ArrayListIterationPerfTest {



    public class Foo {

        int mSplat;

    }

    @Rule

    public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();



    ArrayList<Foo> mList = new ArrayList<Foo>();

    {

        for (int i = 0; i < 27; ++i) mList.add(new Foo());

    }

    @Test

    public void timeArrayListIterationIndexed() {

        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();

        while (state.keepRunning()) {

            int sum = 0;

            ArrayList<Foo> list = mList;

            int len = list.size();

            for (int i = 0; i < len; ++i) {

                sum += list.get(i).mSplat;

            }

        }

    }

    @Test

    public void timeArrayListIterationForEach() {

        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();

        while (state.keepRunning()) {

            int sum = 0;

            for (Foo a : mList) {

                sum += a.mSplat;

            }

        }

    }

}