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avoid easy garbage

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java.util.ArrayList$Itr: 1,720,417,512 (1%) bytes in 71,684,063 (2%) objects (avg size 24 bytes)
	java.util.ArrayList.iterator: 1,720,392,864 (99%) bytes in 71,683,036 (99%) objects
		com.intellij.openapi.projectRoots.impl.ProjectJdkTableImpl.findJdk: 938,831,640 (54%) bytes in 39,117,985 (54%) objects
		com.intellij.openapi.editor.impl.ComplementaryFontsRegistry.getFontAbleToDisplay: 218,420,520 (12%) bytes in 9,100,855 (12%) objects
This commit is contained in:
Maxim.Mossienko
2013-12-08 21:31:03 +01:00
parent 75c030cde4
commit 9207b87b99
2 changed files with 5 additions and 2 deletions
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platform/lang-impl/src/com/intellij/openapi/projectRoots/impl/ProjectJdkTableImpl.java
+3 -1
View File
@@ -109,7 +109,9 @@ public class ProjectJdkTableImpl extends ProjectJdkTable implements PersistentSt
@Override
@Nullable
public Sdk findJdk(String name) {
for (Sdk jdk : mySdks) {
//noinspection ForLoopReplaceableByForEach
for (int i = 0, len = mySdks.size(); i < len; ++i) { // avoid foreach, it instantiates ArrayList$Itr, this traversal happens very often
final Sdk jdk = mySdks.get(i);
if (Comparing.strEqual(name, jdk.getName())) {
return jdk;
}
platform/platform-impl/src/com/intellij/openapi/editor/impl/ComplementaryFontsRegistry.java
+2 -1
View File
@@ -148,7 +148,8 @@ public class ComplementaryFontsRegistry {
boolean tryDefaultFont = true;
List<String> fontFamilies = preferences.getEffectiveFontFamilies();
FontInfo result;
for (String fontFamily : fontFamilies) {
for (int i = 0, len = fontFamilies.size(); i < len; ++i) {
final String fontFamily = fontFamilies.get(i);
result = doGetFontAbleToDisplay(c, preferences.getSize(fontFamily), style, fontFamily);
if (result != null) {
return result;