Add memory usage tests for various scripts

Here is an example of test result:

android.text.PrecomputedTextMemoryUsageTest:
  MemoryUsage
    Arabic Hyphenation  : 26,087
    Arabic NoHyphenation: 26,087
    CJK Hyphenation     : 58,515
    CJK NoHyphenation   : 58,515
    Latin Hyphenation   : 38,333
    Latin NoHyphenation : 16,077

Bug: 72461923
Test: manually
Change-Id: If3df2243cf9901178b3fd34882fb20f499fef5ab
This commit is contained in:
Seigo Nonaka
2018-04-13 14:10:39 -07:00
parent aac73522b5
commit c5fe967424
2 changed files with 131 additions and 39 deletions

View File

@@ -42,6 +42,7 @@ import org.junit.runner.RunWith;
import java.nio.CharBuffer;
import java.util.Random;
import java.util.Locale;
@LargeTest
@RunWith(AndroidJUnit4.class)
@@ -49,9 +50,7 @@ public class PrecomputedTextMemoryUsageTest {
private static final int WORD_LENGTH = 9; // Random word has 9 characters.
private static final boolean NO_STYLE_TEXT = false;
private static TextPaint PAINT = new TextPaint();
private static int TRIAL_COUNT = 100;
private static int TRIAL_COUNT = 10;
public PrecomputedTextMemoryUsageTest() {}
@@ -75,9 +74,10 @@ public class PrecomputedTextMemoryUsageTest {
}
@Test
public void testMemoryUsage_NoHyphenation() {
public void testMemoryUsage_Latin_NoHyphenation() {
TextPaint paint = new TextPaint();
int[] memories = new int[TRIAL_COUNT];
final PrecomputedText.Params param = new PrecomputedText.Params.Builder(PAINT)
final PrecomputedText.Params param = new PrecomputedText.Params.Builder(paint)
.setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE)
.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE)
.build();
@@ -88,13 +88,14 @@ public class PrecomputedTextMemoryUsageTest {
mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), param)
.getMemoryUsage();
}
reportMemoryUsage(median(memories), "MemoryUsage_NoHyphenation");
reportMemoryUsage(median(memories), "MemoryUsage_Latin_NoHyphenation");
}
@Test
public void testMemoryUsage_Hyphenation() {
public void testMemoryUsage_Latin_Hyphenation() {
TextPaint paint = new TextPaint();
int[] memories = new int[TRIAL_COUNT];
final PrecomputedText.Params param = new PrecomputedText.Params.Builder(PAINT)
final PrecomputedText.Params param = new PrecomputedText.Params.Builder(paint)
.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED)
.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL)
.build();
@@ -105,48 +106,97 @@ public class PrecomputedTextMemoryUsageTest {
mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), param)
.getMemoryUsage();
}
reportMemoryUsage(median(memories), "MemoryUsage_Hyphenation");
reportMemoryUsage(median(memories), "MemoryUsage_Latin_Hyphenation");
}
@Test
public void testMemoryUsage_NoHyphenation_WidthOnly() {
public void testMemoryUsage_CJK_NoHyphenation() {
TextPaint paint = new TextPaint();
int[] memories = new int[TRIAL_COUNT];
final PrecomputedText.Params param = new PrecomputedText.Params.Builder(PAINT)
final PrecomputedText.Params param = new PrecomputedText.Params.Builder(paint)
.setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE)
.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE)
.build();
// Report median of randomly generated PrecomputedText.
for (int i = 0; i < TRIAL_COUNT; ++i) {
CharSequence cs = mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT);
PrecomputedText.ParagraphInfo[] paragraphInfo =
PrecomputedText.createMeasuredParagraphs(cs, param, 0, cs.length(), false);
memories[i] = 0;
for (PrecomputedText.ParagraphInfo info : paragraphInfo) {
memories[i] += info.measured.getMemoryUsage();
}
memories[i] = PrecomputedText.create(
mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT, "[\\u4E00-\\u9FA0]"),
param).getMemoryUsage();
}
reportMemoryUsage(median(memories), "MemoryUsage_NoHyphenation_WidthOnly");
reportMemoryUsage(median(memories), "MemoryUsage_CJK_NoHyphenation");
}
@Test
public void testMemoryUsage_Hyphenatation_WidthOnly() {
public void testMemoryUsage_CJK_Hyphenation() {
TextPaint paint = new TextPaint();
int[] memories = new int[TRIAL_COUNT];
final PrecomputedText.Params param = new PrecomputedText.Params.Builder(PAINT)
final PrecomputedText.Params param = new PrecomputedText.Params.Builder(paint)
.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED)
.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL)
.build();
// Report median of randomly generated PrecomputedText.
for (int i = 0; i < TRIAL_COUNT; ++i) {
CharSequence cs = mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT);
PrecomputedText.ParagraphInfo[] paragraphInfo =
PrecomputedText.createMeasuredParagraphs(cs, param, 0, cs.length(), false);
memories[i] = 0;
for (PrecomputedText.ParagraphInfo info : paragraphInfo) {
memories[i] += info.measured.getMemoryUsage();
}
memories[i] = PrecomputedText.create(
mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT, "[\\u4E00-\\u9FA0]"),
param).getMemoryUsage();
}
reportMemoryUsage(median(memories), "MemoryUsage_Hyphenation_WidthOnly");
reportMemoryUsage(median(memories), "MemoryUsage_CJK_Hyphenation");
}
@Test
public void testMemoryUsage_Arabic_NoHyphenation() {
TextPaint paint = new TextPaint();
paint.setTextLocale(Locale.forLanguageTag("ar"));
int[] memories = new int[TRIAL_COUNT];
final PrecomputedText.Params param = new PrecomputedText.Params.Builder(paint)
.setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE)
.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE)
.build();
// Report median of randomly generated PrecomputedText.
for (int i = 0; i < TRIAL_COUNT; ++i) {
memories[i] = PrecomputedText.create(
mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT, "[\\u0600-\\u06FF]"),
param).getMemoryUsage();
}
reportMemoryUsage(median(memories), "MemoryUsage_Arabic_NoHyphenation");
}
@Test
public void testMemoryUsage_Arabic_Hyphenation() {
TextPaint paint = new TextPaint();
paint.setTextLocale(Locale.forLanguageTag("ar"));
int[] memories = new int[TRIAL_COUNT];
final PrecomputedText.Params param = new PrecomputedText.Params.Builder(paint)
.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED)
.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL)
.build();
// Report median of randomly generated PrecomputedText.
for (int i = 0; i < TRIAL_COUNT; ++i) {
memories[i] = PrecomputedText.create(
mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT, "[\\u0600-\\u06FF]"),
param).getMemoryUsage();
}
reportMemoryUsage(median(memories), "MemoryUsage_Arabic_Hyphenation");
}
@Test
public void testMemoryUsage_Emoji() {
TextPaint paint = new TextPaint();
int[] memories = new int[TRIAL_COUNT];
final PrecomputedText.Params param = new PrecomputedText.Params.Builder(paint)
.setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE)
.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE)
.build();
// Report median of randomly generated PrecomputedText.
for (int i = 0; i < TRIAL_COUNT; ++i) {
memories[i] = PrecomputedText.create(
mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT, "[:emoji:]"),
param).getMemoryUsage();
}
reportMemoryUsage(median(memories), "MemoryUsage_Emoji_NoHyphenation");
}
}

View File

@@ -27,6 +27,8 @@ import android.support.test.runner.AndroidJUnit4;
import android.content.res.ColorStateList;
import android.graphics.Canvas;
import android.graphics.Typeface;
import android.icu.text.UnicodeSet;
import android.icu.text.UnicodeSetIterator;
import android.text.Layout;
import android.text.style.TextAppearanceSpan;
import android.view.DisplayListCanvas;
@@ -39,6 +41,7 @@ import org.junit.runner.RunWith;
import java.nio.CharBuffer;
import java.util.Random;
import java.util.ArrayList;
public class TextPerfUtils {
@@ -46,8 +49,17 @@ public class TextPerfUtils {
private Random mRandom = new Random(0);
private static final String ALPHABET = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
private static final int ALPHABET_LENGTH = ALPHABET.length();
private static final String[] ALPHABET;
private static final int ALPHABET_LENGTH;
static {
String alphabets = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
ALPHABET_LENGTH = alphabets.length();
ALPHABET = new String[ALPHABET_LENGTH];
for (int i = 0; i < ALPHABET_LENGTH; ++i) {
ALPHABET[i] = Character.toString(alphabets.charAt(i));
}
}
private static final ColorStateList TEXT_COLOR = ColorStateList.valueOf(0x00000000);
private static final String[] FAMILIES = { "sans-serif", "serif", "monospace" };
@@ -55,30 +67,59 @@ public class TextPerfUtils {
Typeface.NORMAL, Typeface.BOLD, Typeface.ITALIC, Typeface.BOLD_ITALIC
};
private final char[] mBuffer = new char[PARA_LENGTH];
public void resetRandom(long seed) {
mRandom = new Random(seed);
}
private static String[] UnicodeSetToArray(String setStr) {
final UnicodeSet set = new UnicodeSet(setStr);
final UnicodeSetIterator iterator = new UnicodeSetIterator(set);
final ArrayList<String> out = new ArrayList<>(set.size());
while (iterator.next()) {
out.add(iterator.getString());
}
return out.toArray(new String[out.size()]);
}
public CharSequence nextRandomParagraph(int wordLen, boolean applyRandomStyle, String setStr) {
return nextRandomParagraph(wordLen, applyRandomStyle, UnicodeSetToArray(setStr));
}
public CharSequence nextRandomParagraph(int wordLen, boolean applyRandomStyle) {
return nextRandomParagraph(wordLen, applyRandomStyle, ALPHABET);
}
public CharSequence nextRandomParagraph(int wordLen, boolean applyRandomStyle,
String[] charSet) {
ArrayList<Character> chars = new ArrayList<>();
ArrayList<Integer> wordOffsets = new ArrayList<>();
for (int i = 0; i < PARA_LENGTH; i++) {
if (i % (wordLen + 1) == wordLen) {
mBuffer[i] = ' ';
chars.add(' ');
wordOffsets.add(chars.size());
} else {
mBuffer[i] = ALPHABET.charAt(mRandom.nextInt(ALPHABET_LENGTH));
final String str = charSet[mRandom.nextInt(charSet.length)];
for (int j = 0; j < str.length(); ++j) {
chars.add(str.charAt(j));
}
}
}
wordOffsets.add(chars.size());
CharSequence cs = CharBuffer.wrap(mBuffer);
char[] buffer = new char[chars.size()];
for (int i = 0; i < buffer.length; ++i) {
buffer[i] = chars.get(i);
}
CharSequence cs = CharBuffer.wrap(buffer);
if (!applyRandomStyle) {
return cs;
}
SpannableStringBuilder ssb = new SpannableStringBuilder(cs);
for (int i = 0; i < ssb.length(); i += wordLen + 1) {
final int spanStart = i;
final int spanEnd = (i + wordLen) > ssb.length() ? ssb.length() : i + wordLen;
int prevWordStart = 0;
for (int i = 0; i < wordOffsets.size(); i++) {
final int spanStart = prevWordStart;
final int spanEnd = wordOffsets.get(i);
final TextAppearanceSpan span = new TextAppearanceSpan(
FAMILIES[mRandom.nextInt(FAMILIES.length)],
@@ -87,6 +128,7 @@ public class TextPerfUtils {
TEXT_COLOR, TEXT_COLOR);
ssb.setSpan(span, spanStart, spanEnd, Spanned.SPAN_INCLUSIVE_EXCLUSIVE);
prevWordStart = spanEnd;
}
return ssb;
}