Android example source code file (PerformanceTests.java)
The PerformanceTests.java Android example source code/*
* Copyright (C) 2007 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.core;
import org.apache.harmony.dalvik.NativeTestTarget;
import android.test.PerformanceTestBase;
import android.test.PerformanceTestCase;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;
import junit.framework.Assert;
public class PerformanceTests {
public static String[] children() {
return new String[] {
//StringEquals2.class.getName(),
//StringEquals10.class.getName(),
//StringEquals20.class.getName(),
//StringEquals200.class.getName(),
//StringEquals200U.class.getName(),
//StringCompareTo10.class.getName(),
//StringCompareTo200.class.getName(),
StringLength.class.getName(),
StringCrawl.class.getName(),
Ackermann.class.getName(),
AddTest.class.getName(),
// AddMemberVariableTest.class.getName(),
ArrayListIterator.class.getName(),
BoundsCheckTest.class.getName(),
// EmptyClassBaseTest.class.getName(),
EmptyJniStaticMethod0.class.getName(),
EmptyJniStaticMethod6.class.getName(),
EmptyJniStaticMethod6L.class.getName(),
FibonacciFast.class.getName(),
FibonacciSlow.class.getName(),
// LoopTests.class.getName(),
// HashMapTest.class.getName(),
// InterfaceTests.class.getName(),
LocalVariableAccess.class.getName(),
MemeberVariableAccess.class.getName(),
NestedLoop.class.getName(),
// StringConcatenationTests.class.getName(),
// ArrayListBase.class.getName(),
SynchronizedGetAndSetInt.class.getName(),
/* this will not work on JamVM -- lacks atomic ops */
AtomicGetAndSetInt.class.getName(),
};
}
public static class SizeTest {
private int mSize;
public SizeTest(int size) {
mSize = size;
}
public int size() {
return mSize;
}
}
public static class LocalVariableAccess extends PerformanceTestBase {
private static final int ITERATIONS = 100000;
public int startPerformance(PerformanceTestCase.Intermediates intermediates) {
intermediates.setInternalIterations(ITERATIONS * 20);
return 0;
}
public void testRun() {
boolean variable = false;
boolean local = true;
for (int i = ITERATIONS - 1; i >= 0; i--) {
local = variable;
local = variable;
local = variable;
local = variable;
local = variable; // 5
local = variable;
local = variable;
local = variable;
local = variable;
local = variable; // 10
local = variable;
local = variable;
local = variable;
local = variable;
local = variable; // 15
local = variable;
local = variable;
local = variable;
local = variable;
local = variable; // 20
}
}
}
/* This test is intentionally misspelled. Please do not rename it. Thanks! */
public static class MemeberVariableAccess extends PerformanceTestBase {
private static final int ITERATIONS = 100000;
public volatile boolean mMember = false;
public int startPerformance(PerformanceTestCase.Intermediates intermediates) {
intermediates.setInternalIterations(ITERATIONS * 20);
return 0;
}
public void testRun() {
boolean local = true;
for (int i = ITERATIONS - 1; i >= 0; i--) {
local = mMember;
local = mMember;
local = mMember;
local = mMember;
local = mMember; // 5
local = mMember;
local = mMember;
local = mMember;
local = mMember;
local = mMember; // 10
local = mMember;
local = mMember;
local = mMember;
local = mMember;
local = mMember; // 15
local = mMember;
local = mMember;
local = mMember;
local = mMember;
local = mMember; // 20
}
}
}
public static class ArrayListIterator extends PerformanceTestBase {
private static final int ITERATIONS = 10000;
private ArrayList mList;
private String[] mKeys;
private Iterator mIterator;
public void setUp() throws Exception {
super.setUp();
mList = new ArrayList();
mKeys = new String[ITERATIONS];
for (int i = ITERATIONS - 1; i >= 0; i--) {
mKeys[i] = Integer.toString(i, 16);
mList.add(mKeys[i]);
}
}
public int startPerformance(PerformanceTestCase.Intermediates intermediates) {
intermediates.setInternalIterations(ITERATIONS);
return 0;
}
public void testRun() {
mIterator = mList.iterator();
while (mIterator.hasNext()) {
mIterator.next();
}
}
}
public static class Ackermann extends PerformanceTestBase {
public static final int ITERATIONS = 100;
public int startPerformance(PerformanceTestCase.Intermediates intermediates) {
intermediates.setInternalIterations(ITERATIONS);
return 0;
}
public void testRun() {
for (int i = ITERATIONS - 1; i >= 0; i--) {
ackermann(3, 13);
}
}
private int ackermann(int m, int n) {
if (m == 0)
return n + 1;
if (n == 0)
return ackermann(m - 1, 1);
return ackermann(m, n - 1);
}
}
public static class FibonacciSlow extends PerformanceTestBase {
public void setUp() throws Exception {
super.setUp();
Assert.assertEquals(0, fibonacci(0));
Assert.assertEquals(1, fibonacci(1));
Assert.assertEquals(1, fibonacci(2));
Assert.assertEquals(2, fibonacci(3));
Assert.assertEquals(6765, fibonacci(20));
}
public void tearDown() {
}
public int startPerformance(PerformanceTestCase.Intermediates intermediates) {
return 0;
}
public void testRun() {
fibonacci(20);
}
private long fibonacci(long n) {
if (n == 0)
return 0;
if (n == 1)
return 1;
return fibonacci(n - 2) + fibonacci(n - 1);
}
}
public static class FibonacciFast extends PerformanceTestBase {
public void setUp() throws Exception {
super.setUp();
Assert.assertEquals(0, fibonacci(0));
Assert.assertEquals(1, fibonacci(1));
Assert.assertEquals(1, fibonacci(2));
Assert.assertEquals(2, fibonacci(3));
Assert.assertEquals(6765, fibonacci(20));
}
public void tearDown() {
}
public int startPerformance(PerformanceTestCase.Intermediates intermediates) {
return 0;
}
public void testRun() {
fibonacci(5000);
}
private long fibonacci(long n) {
if (n == 0)
return 0;
if (n == 1)
return 1;
int x = 0;
int y = 1;
for (int i = 0; i < n - 1; i++) {
y = y + x;
x = y - x;
}
return y;
}
}
public static class HashMapTest extends PerformanceTestBase {
private static final int ITERATIONS = 10000;
private HashMap mMap;
private String[] mKeys;
public void setUp() throws Exception {
super.setUp();
mMap = new HashMap();
mKeys = new String[ITERATIONS];
for (int i = ITERATIONS - 1; i >= 0; i--) {
mKeys[i] = Integer.toString(i, 16);
mMap.put(mKeys[i], i);
}
}
public void tearDown() {
}
public int startPerformance(PerformanceTestCase.Intermediates intermediates) {
intermediates.setInternalIterations(ITERATIONS);
return 0;
}
public void testHashMapContainsKey() {
for (int i = ITERATIONS - 1; i >= 0; i--) {
mMap.containsKey(mKeys[i]);
}
}
public void testHashMapIterator() {
Iterator iterator;
iterator = mMap.entrySet().iterator();
while (iterator.hasNext()) {
iterator.next();
}
}
public void testHashMapPut() {
HashMap map = new HashMap();
String[] keys = mKeys;
for (int i = ITERATIONS - 1; i >= 0; i--) {
map.put(keys[i], i);
}
}
}
interface IA {
void funcA0();
void funcA1();
void funcA2();
void funcA3();
}
interface IAB extends IA {
void funcAB0();
void funcAB1();
void funcAB2();
void funcAB3();
}
interface IABC extends IAB {
void funcABC0();
void funcABC1();
void funcABC2();
void funcABC3();
}
interface IB {
void funcB0();
void funcB1();
void funcB2();
void funcB3();
}
interface IC {
void funcC0();
void funcC1();
void funcC2();
void funcC3();
}
static class Alphabet implements Cloneable, IB, IABC, IC, Runnable {
public void funcA0() {
}
public void funcA1() {
}
public void funcA2() {
}
public void funcA3() {
}
public void funcAB0() {
}
public void funcAB1() {
}
public void funcAB2() {
}
public void funcAB3() {
}
public void funcABC0() {
}
public void funcABC1() {
}
public void funcABC2() {
}
public void funcABC3() {
}
public void funcB0() {
}
public void funcB1() {
}
public void funcB2() {
}
public void funcB3() {
}
public void funcC0() {
}
public void funcC1() {
}
public void funcC2() {
}
public void funcC3() {
}
public void run() {
}
};
public static class InterfaceTests extends PerformanceTestBase {
private static final int ITERATIONS = 10000;
public int startPerformance(PerformanceTestCase.Intermediates intermediates) {
intermediates.setInternalIterations(ITERATIONS * 10);
return 0;
}
/* call method directly */
public void testInterfaceCalls0() {
Alphabet alpha = new Alphabet();
for (int i = ITERATIONS - 1; i >= 0; i--) {
alpha.funcABC1();
alpha.funcABC1();
alpha.funcABC1();
alpha.funcABC1();
alpha.funcABC1();
alpha.funcABC1();
alpha.funcABC1();
alpha.funcABC1();
alpha.funcABC1();
alpha.funcABC1();
}
}
/* call method through interface reference */
public void testInterfaceCalls1() {
Alphabet alpha = new Alphabet();
IABC iabc = alpha;
for (int i = ITERATIONS - 1; i >= 0; i--) {
iabc.funcABC1();
iabc.funcABC1();
iabc.funcABC1();
iabc.funcABC1();
iabc.funcABC1();
iabc.funcABC1();
iabc.funcABC1();
iabc.funcABC1();
iabc.funcABC1();
iabc.funcABC1();
}
}
public void testInstanceOfTrivial() {
Alphabet alpha = new Alphabet();
IABC iabc = alpha;
boolean val;
for (int i = ITERATIONS - 1; i >= 0; i--) {
val = iabc instanceof Alphabet;
val = iabc instanceof Alphabet;
val = iabc instanceof Alphabet;
val = iabc instanceof Alphabet;
val = iabc instanceof Alphabet;
val = iabc instanceof Alphabet;
val = iabc instanceof Alphabet;
val = iabc instanceof Alphabet;
val = iabc instanceof Alphabet;
val = iabc instanceof Alphabet;
}
}
public void testInstanceOfInterface() {
Alphabet alpha = new Alphabet();
IABC iabc = alpha;
boolean val;
for (int i = ITERATIONS - 1; i >= 0; i--) {
val = iabc instanceof IA;
val = iabc instanceof IA;
val = iabc instanceof IA;
val = iabc instanceof IA;
val = iabc instanceof IA;
val = iabc instanceof IA;
val = iabc instanceof IA;
val = iabc instanceof IA;
val = iabc instanceof IA;
val = iabc instanceof IA;
}
}
public void testInstanceOfNot() {
Alphabet alpha = new Alphabet();
IABC iabc = alpha;
boolean val;
for (int i = ITERATIONS - 1; i >= 0; i--) {
val = iabc instanceof EmptyInterface;
val = iabc instanceof EmptyInterface;
val = iabc instanceof EmptyInterface;
val = iabc instanceof EmptyInterface;
val = iabc instanceof EmptyInterface;
val = iabc instanceof EmptyInterface;
val = iabc instanceof EmptyInterface;
val = iabc instanceof EmptyInterface;
val = iabc instanceof EmptyInterface;
val = iabc instanceof EmptyInterface;
}
}
}
public static class NestedLoop extends PerformanceTestBase {
private static final int ITERATIONS = 10;
private static final int LOOPS = 5;
public int startPerformance(PerformanceTestCase.Intermediates intermediates) {
intermediates.setInternalIterations(ITERATIONS * LOOPS);
return 0;
}
public void testRun() {
int x = 0;
for (int a = 0; a < ITERATIONS; a++) {
for (int b = 0; b < ITERATIONS; b++) {
for (int c = 0; c < ITERATIONS; c++) {
for (int d = 0; d < ITERATIONS; d++) {
for (int e = 0; e < ITERATIONS; e++) {
x++;
}
}
}
}
}
}
}
public static class StringConcatenationTests extends PerformanceTestBase {
private static final int ITERATIONS = 1000;
public int startPerformance(PerformanceTestCase.Intermediates intermediates) {
intermediates.setInternalIterations(ITERATIONS);
return 0;
}
public void testStringConcatenation1() {
StringBuffer buffer = new StringBuffer();
for (int i = ITERATIONS - 1; i >= 0; i--) {
buffer.append("Hello World!\n");
}
buffer = null;
}
public void testStringConcatenation2() {
String string = "";
for (int i = ITERATIONS - 1; i >= 0; i--) {
string += "Hello World!\n";
}
string = null;
}
}
public static class StringLength extends PerformanceTestBase {
private static final int ITERATIONS = 10000;
private static final String TEST_STRING = "This is the string we use for testing..."; // 40 chars
public int startPerformance(PerformanceTestCase.Intermediates intermediates) {
intermediates.setInternalIterations(ITERATIONS * 10);
return 0;
}
public void testRun() {
String testStr = TEST_STRING;
int length;
for (int i = ITERATIONS - 1; i >= 0; i--) {
length = testStr.length();
length = testStr.length();
length = testStr.length();
length = testStr.length();
length = testStr.length();
length = testStr.length();
length = testStr.length();
length = testStr.length();
length = testStr.length();
length = testStr.length();
}
}
}
public static class EmptyJniStaticMethod0 extends PerformanceTestBase {
private static final int ITERATIONS = 10000;
public int startPerformance(PerformanceTestCase.Intermediates intermediates) {
intermediates.setInternalIterations(ITERATIONS * 10);
return 0;
}
public void testRun() {
int a, b, c, d, e, f;
a = b = c = d = e = f = 0;
for (int i = ITERATIONS - 1; i >= 0; i--) {
NativeTestTarget.emptyJniStaticMethod0();
NativeTestTarget.emptyJniStaticMethod0();
NativeTestTarget.emptyJniStaticMethod0();
NativeTestTarget.emptyJniStaticMethod0();
NativeTestTarget.emptyJniStaticMethod0();
NativeTestTarget.emptyJniStaticMethod0();
NativeTestTarget.emptyJniStaticMethod0();
NativeTestTarget.emptyJniStaticMethod0();
NativeTestTarget.emptyJniStaticMethod0();
NativeTestTarget.emptyJniStaticMethod0();
}
}
}
public static class EmptyJniStaticMethod6 extends PerformanceTestBase {
private static final int ITERATIONS = 10000;
public int startPerformance(PerformanceTestCase.Intermediates intermediates) {
intermediates.setInternalIterations(ITERATIONS * 10);
return 0;
}
public void testRun() {
int a, b, c, d, e, f;
a = b = c = d = e = f = 0;
for (int i = ITERATIONS - 1; i >= 0; i--) {
NativeTestTarget.emptyJniStaticMethod6(a, b, c, d, e, f);
NativeTestTarget.emptyJniStaticMethod6(a, b, c, d, e, f);
NativeTestTarget.emptyJniStaticMethod6(a, b, c, d, e, f);
NativeTestTarget.emptyJniStaticMethod6(a, b, c, d, e, f);
NativeTestTarget.emptyJniStaticMethod6(a, b, c, d, e, f);
NativeTestTarget.emptyJniStaticMethod6(a, b, c, d, e, f);
NativeTestTarget.emptyJniStaticMethod6(a, b, c, d, e, f);
NativeTestTarget.emptyJniStaticMethod6(a, b, c, d, e, f);
NativeTestTarget.emptyJniStaticMethod6(a, b, c, d, e, f);
NativeTestTarget.emptyJniStaticMethod6(a, b, c, d, e, f);
}
}
}
public static class EmptyJniStaticMethod6L extends PerformanceTestBase {
private static final int ITERATIONS = 10000;
public int startPerformance(PerformanceTestCase.Intermediates intermediates) {
intermediates.setInternalIterations(ITERATIONS * 10);
return 0;
}
public void testRun() {
String a = null;
String[] b = null;
int[][] c = null;
Object d = null;
Object[] e = null;
Object[][][][] f = null;
for (int i = ITERATIONS - 1; i >= 0; i--) {
NativeTestTarget.emptyJniStaticMethod6L(a, b, c, d, e, f);
NativeTestTarget.emptyJniStaticMethod6L(a, b, c, d, e, f);
NativeTestTarget.emptyJniStaticMethod6L(a, b, c, d, e, f);
NativeTestTarget.emptyJniStaticMethod6L(a, b, c, d, e, f);
NativeTestTarget.emptyJniStaticMethod6L(a, b, c, d, e, f);
NativeTestTarget.emptyJniStaticMethod6L(a, b, c, d, e, f);
NativeTestTarget.emptyJniStaticMethod6L(a, b, c, d, e, f);
NativeTestTarget.emptyJniStaticMethod6L(a, b, c, d, e, f);
NativeTestTarget.emptyJniStaticMethod6L(a, b, c, d, e, f);
NativeTestTarget.emptyJniStaticMethod6L(a, b, c, d, e, f);
}
}
}
public static class StringCrawl extends PerformanceTestBase {
private static final int ITERATIONS = 10000;
private static final String TEST_STRING = "This is the string we use for testing..."; // 40 chars
public int startPerformance(PerformanceTestCase.Intermediates intermediates) {
intermediates.setInternalIterations(ITERATIONS * TEST_STRING.length());
return 0;
}
public void testRun() {
String testStr = TEST_STRING;
char ch;
for (int i = ITERATIONS - 1; i >= 0; i--) {
/* this is the wrong way to walk through a string */
for (int j = 0; j < testStr.length(); j++) {
ch = testStr.charAt(j);
}
}
}
}
public static class AddTest extends PerformanceTestBase {
private static final int ITERATIONS = 10000;
public int startPerformance(PerformanceTestCase.Intermediates intermediates) {
intermediates.setInternalIterations(ITERATIONS * 20);
return 0;
}
public void testRun() {
int j = 0;
for (int i = ITERATIONS - 1; i >= 0; i--) {
j++;
j++;
j++;
j++;
j++;
j++;
j++;
j++;
j++;
j++;
j++;
j++;
j++;
j++;
j++;
j++;
j++;
j++;
j++;
j++;
}
}
}
public static class AddMemberVariableTest extends PerformanceTestBase {
private static final int ITERATIONS = 10000;
private int j;
public void setUp() throws Exception {
super.setUp();
j = 0;
}
public int startPerformance(PerformanceTestCase.Intermediates intermediates) {
intermediates.setInternalIterations(ITERATIONS * 10);
return 0;
}
public void testAddMemberVariableTest() {
for (int i = ITERATIONS - 1; i >= 0; i--) {
j++;
j++;
j++;
j++;
j++;
j++;
j++;
j++;
j++;
j++;
}
}
public void testAddMemberVariableInMethodTest() {
for (int i = ITERATIONS - 1; i >= 0; i--) {
add();
add();
add();
add();
add();
add();
add();
add();
add();
add();
}
}
public void add() {
j++;
}
}
private interface EmptyInterface {
public void emptyVirtual();
}
private static class EmptyClass implements EmptyInterface {
public void emptyVirtual() {
}
public static void emptyStatic() {
}
}
public static class EmptyClassBaseTest extends PerformanceTestBase {
protected EmptyInterface mEmptyInterface;
protected EmptyClass mEmptyClass;
public void setUp() throws Exception {
super.setUp();
mEmptyClass = new EmptyClass();
mEmptyInterface = mEmptyClass;
}
private static final int ITERATIONS = 10000;
public int startPerformance(PerformanceTestCase.Intermediates intermediates) {
intermediates.setInternalIterations(ITERATIONS * 10);
return 0;
}
public void testEmptyVirtualMethod() {
//EmptyClass emtpyClass = mEmptyClass;
for (int i = ITERATIONS - 1; i >= 0; i--) {
mEmptyClass.emptyVirtual();
mEmptyClass.emptyVirtual();
mEmptyClass.emptyVirtual();
mEmptyClass.emptyVirtual();
mEmptyClass.emptyVirtual();
mEmptyClass.emptyVirtual();
mEmptyClass.emptyVirtual();
mEmptyClass.emptyVirtual();
mEmptyClass.emptyVirtual();
mEmptyClass.emptyVirtual();
}
}
public void testEmptyVirtualMethodTestInLocal() {
EmptyClass empty = mEmptyClass;
for (int i = ITERATIONS - 1; i >= 0; i--) {
empty.emptyVirtual();
empty.emptyVirtual();
empty.emptyVirtual();
empty.emptyVirtual();
empty.emptyVirtual();
empty.emptyVirtual();
empty.emptyVirtual();
empty.emptyVirtual();
empty.emptyVirtual();
empty.emptyVirtual();
}
}
public void testEmptyStaticMethod () {
for (int i = ITERATIONS - 1; i >= 0; i--) {
EmptyClass.emptyStatic();
EmptyClass.emptyStatic();
EmptyClass.emptyStatic();
EmptyClass.emptyStatic();
EmptyClass.emptyStatic();
EmptyClass.emptyStatic();
EmptyClass.emptyStatic();
EmptyClass.emptyStatic();
EmptyClass.emptyStatic();
EmptyClass.emptyStatic();
}
}
public void testEmptyJniStaticMethod0() {
for (int i = ITERATIONS - 1; i >= 0; i--) {
NativeTestTarget.emptyJniStaticMethod0();
NativeTestTarget.emptyJniStaticMethod0();
NativeTestTarget.emptyJniStaticMethod0();
NativeTestTarget.emptyJniStaticMethod0();
NativeTestTarget.emptyJniStaticMethod0();
NativeTestTarget.emptyJniStaticMethod0();
NativeTestTarget.emptyJniStaticMethod0();
NativeTestTarget.emptyJniStaticMethod0();
NativeTestTarget.emptyJniStaticMethod0();
NativeTestTarget.emptyJniStaticMethod0();
}
}
public void testEmptyJniStaticMethod6() {
int a, b, c, d, e, f;
a = b = c = d = e = f = 0;
for (int i = ITERATIONS - 1; i >= 0; i--) {
NativeTestTarget.emptyJniStaticMethod6(a, b, c, d, e, f);
NativeTestTarget.emptyJniStaticMethod6(a, b, c, d, e, f);
NativeTestTarget.emptyJniStaticMethod6(a, b, c, d, e, f);
NativeTestTarget.emptyJniStaticMethod6(a, b, c, d, e, f);
NativeTestTarget.emptyJniStaticMethod6(a, b, c, d, e, f);
NativeTestTarget.emptyJniStaticMethod6(a, b, c, d, e, f);
NativeTestTarget.emptyJniStaticMethod6(a, b, c, d, e, f);
NativeTestTarget.emptyJniStaticMethod6(a, b, c, d, e, f);
NativeTestTarget.emptyJniStaticMethod6(a, b, c, d, e, f);
NativeTestTarget.emptyJniStaticMethod6(a, b, c, d, e, f);
}
}
public void testEmptyInternalStaticMethod() {
/*
* The method called is a VM-internal method with no extra
* wrapping.
*/
for (int i = ITERATIONS - 1; i >= 0; i--) {
NativeTestTarget.emptyInternalStaticMethod();
NativeTestTarget.emptyInternalStaticMethod();
NativeTestTarget.emptyInternalStaticMethod();
NativeTestTarget.emptyInternalStaticMethod();
NativeTestTarget.emptyInternalStaticMethod();
NativeTestTarget.emptyInternalStaticMethod();
NativeTestTarget.emptyInternalStaticMethod();
NativeTestTarget.emptyInternalStaticMethod();
NativeTestTarget.emptyInternalStaticMethod();
NativeTestTarget.emptyInternalStaticMethod();
}
}
public void testEmptyInlineStaticMethod() {
/*
* The method called is a VM-internal method that gets
* specially "inlined" in a bytecode transformation.
*/
for (int i = ITERATIONS - 1; i >= 0; i--) {
NativeTestTarget.emptyInlineMethod();
NativeTestTarget.emptyInlineMethod();
NativeTestTarget.emptyInlineMethod();
NativeTestTarget.emptyInlineMethod();
NativeTestTarget.emptyInlineMethod();
NativeTestTarget.emptyInlineMethod();
NativeTestTarget.emptyInlineMethod();
NativeTestTarget.emptyInlineMethod();
NativeTestTarget.emptyInlineMethod();
NativeTestTarget.emptyInlineMethod();
}
}
public void testEmptyInterfaceMethodTest() {
EmptyInterface emptyInterface = mEmptyInterface;
for (int i = ITERATIONS - 1; i >= 0; i--) {
emptyInterface.emptyVirtual();
emptyInterface.emptyVirtual();
emptyInterface.emptyVirtual();
emptyInterface.emptyVirtual();
emptyInterface.emptyVirtual();
emptyInterface.emptyVirtual();
emptyInterface.emptyVirtual();
emptyInterface.emptyVirtual();
emptyInterface.emptyVirtual();
emptyInterface.emptyVirtual();
}
}
}
public static class LoopTests extends PerformanceTestBase {
private static final int ITERATIONS = 10000;
private SizeTest mSizeTest = new SizeTest(ITERATIONS);
public int startPerformance(PerformanceTestCase.Intermediates intermediates) {
intermediates.setInternalIterations(ITERATIONS);
return 0;
}
public void testForLoopTest() {
int i = 0;
for (; i < 10000; i++) {
}
}
public void testWhileLoopTest() {
int i = 0;
while (i < 10000) {
i++;
}
}
public void testForLoopSizeCalledInside() {
for (int i = 0; i < mSizeTest.size(); i++) {
}
}
public void testForLoopSizeCalledOutside() {
final int size = mSizeTest.size();
for (int i = 0; i < size; i++) {
}
}
}
public static class BoundsCheckTest extends PerformanceTestBase {
private static final int ITERATIONS = 10000;
public int startPerformance(PerformanceTestCase.Intermediates intermediates) {
intermediates.setInternalIterations(ITERATIONS * 10);
return 0;
}
public void testRun() {
int[] data = new int[1];
for (int i = ITERATIONS - 1; i >= 0; i--) {
data[0] = i;
data[0] = i;
data[0] = i;
data[0] = i;
data[0] = i;
data[0] = i;
data[0] = i;
data[0] = i;
data[0] = i;
data[0] = i;
}
}
}
public static class ArrayListBase extends PerformanceTestBase {
public void setUp() throws Exception {
super.setUp();
mList = new ArrayList();
mList.add(0);
mList.add(1);
mList.add(2);
mList.add(3);
mList.add(4);
mList.add(5);
mList.add(6);
mList.add(7);
mList.add(8);
mList.add(9);
}
public int startPerformance(PerformanceTestCase.Intermediates intermediates) {
intermediates.setInternalIterations(100);
return 0;
}
ArrayList<Integer> mList;
public void testForArrayList() {
int i = 0;
int res = 0;
for (; i < 100; i++) {
for (int j = 0; j < mList.size(); j++) {
res += mList.get(j);
}
}
}
public void testForLocalArrayList() {
int i = 0;
int res = 0;
for (; i < 100; i++) {
final List<Integer> list = mList;
final int N = list.size();
for (int j = 0; j < N; j++) {
res += list.get(j);
}
}
}
public void testForEachArrayList() {
int i = 0;
int res = 0;
for (; i < 100; i++) {
for (Integer v : mList) {
res += v;
}
}
}
}
public static class SynchronizedGetAndSetInt extends PerformanceTestBase {
private static final int ITERATIONS = 100000;
public int mMember = 0;
public int startPerformance(PerformanceTestCase.Intermediates intermediates) {
intermediates.setInternalIterations(ITERATIONS);
return 0;
}
public void testRun() {
int result = 0;
for (int i = ITERATIONS - 1; i >= 0; i--) {
synchronized (this) {
result = mMember;
mMember = i;
}
}
}
}
public static class AtomicGetAndSetInt extends PerformanceTestBase {
private static final int ITERATIONS = 100000;
public AtomicInteger mMember = new AtomicInteger(0);
public int startPerformance(PerformanceTestCase.Intermediates intermediates) {
intermediates.setInternalIterations(ITERATIONS);
return 0;
}
public void testRun() {
int result = 0;
for (int i = ITERATIONS - 1; i >= 0; i--) {
result = mMember.getAndSet(i);
}
}
}
public static abstract class StringEquals extends PerformanceTestBase {
private static final int ITERATIONS = 10000;
protected String mString1, mString2;
public void setUp() throws Exception {
super.setUp();
}
public int startPerformance(PerformanceTestCase.Intermediates intermediates) {
intermediates.setInternalIterations(ITERATIONS * 10);
return 0;
}
public void testRun() {
String string1 = mString1;
String string2 = mString2;
for (int i = ITERATIONS - 1; i >= 0; i--) {
string1.equals(string2);
string1.equals(string2);
string1.equals(string2);
string1.equals(string2);
string1.equals(string2);
string1.equals(string2);
string1.equals(string2);
string1.equals(string2);
string1.equals(string2);
string1.equals(string2);
}
}
}
public static class StringEquals2 extends StringEquals {
public void setUp() throws Exception {
mString1 = "01";
mString2 = "0x";
}
}
public static class StringEquals10 extends StringEquals {
public void setUp() throws Exception {
mString1 = "0123456789";
mString2 = "012345678x";
}
}
public static class StringEquals20 extends StringEquals {
public void setUp() throws Exception {
mString1 = "01234567890123456789";
mString2 = "0123456789012345678x";
}
}
public static class StringEquals200 extends StringEquals {
public void setUp() throws Exception {
mString1 = "0123456789012345678901234567890123456789"
+ "0123456789012345678901234567890123456789"
+ "0123456789012345678901234567890123456789"
+ "0123456789012345678901234567890123456789"
+ "0123456789012345678901234567890123456789";
mString2 = "0123456789012345678901234567890123456789"
+ "0123456789012345678901234567890123456789"
+ "0123456789012345678901234567890123456789"
+ "0123456789012345678901234567890123456789"
+ "012345678901234567890123456789012345678x";
}
}
public static class StringEquals200U extends StringEquals {
/* make one of the strings non-word aligned (bad memcmp case) */
public void setUp() throws Exception {
String tmpStr;
mString1 = "0123456789012345678901234567890123456789"
+ "0123456789012345678901234567890123456789"
+ "0123456789012345678901234567890123456789"
+ "0123456789012345678901234567890123456789"
+ "0123456789012345678901234567890123456789";
tmpStr = "z0123456789012345678901234567890123456789"
+ "0123456789012345678901234567890123456789"
+ "0123456789012345678901234567890123456789"
+ "0123456789012345678901234567890123456789"
+ "012345678901234567890123456789012345678x";
mString2 = tmpStr.substring(1);
}
}
public static abstract class StringCompareTo extends PerformanceTestBase {
private static final int ITERATIONS = 10000;
protected String mString1, mString2;
public int startPerformance(PerformanceTestCase.Intermediates intermediates) {
intermediates.setInternalIterations(ITERATIONS * 10);
return 0;
}
public void testRun() {
String string1 = mString1;
String string2 = mString2;
for (int i = ITERATIONS - 1; i >= 0; i--) {
string1.compareTo(string2);
string1.compareTo(string2);
string1.compareTo(string2);
string1.compareTo(string2);
string1.compareTo(string2);
string1.compareTo(string2);
string1.compareTo(string2);
string1.compareTo(string2);
string1.compareTo(string2);
string1.compareTo(string2);
}
}
}
public static class StringCompareTo10 extends StringCompareTo {
public void setUp() throws Exception {
mString1 = "0123456789";
mString2 = "012345678x";
}
}
public static class StringCompareTo200 extends StringCompareTo {
public void setUp() throws Exception {
mString1 = "0123456789012345678901234567890123456789"
+ "0123456789012345678901234567890123456789"
+ "0123456789012345678901234567890123456789"
+ "0123456789012345678901234567890123456789"
+ "0123456789012345678901234567890123456789";
mString2 = "0123456789012345678901234567890123456789"
+ "0123456789012345678901234567890123456789"
+ "0123456789012345678901234567890123456789"
+ "0123456789012345678901234567890123456789"
+ "012345678901234567890123456789012345678x";
}
}
}
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