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Changed ProGuard settings so it will inline methods which use private members. This eliminates tens of thousands of function calls to BitArray.get() on a typical decode, and lots of other work as well. Overall we're roughly 20% faster by using ProGuard than turning it off.

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git-svn-id: https://zxing.googlecode.com/svn/trunk@356 59b500cc-1b3d-0410-9834-0bbf25fbcc57
This commit is contained in:
dswitkin 2008-04-11 19:30:54 +00:00
parent 0b7bface5b
commit e14defda5f
1 changed files with 22 additions and 16 deletions
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38
android-m3/build.xml
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@ -141,22 +141,27 @@
<target name="optimize" depends="compile" unless="debug">
<jar basedir="${outdir-classes}" destfile="temp.jar"/>
<java jar="${WTK-home}/bin/proguard.jar" fork="true" failonerror="true">
<jvmarg value="-Dmaximum.inlined.code.length=32"/>
<arg value="-injars temp.jar"/>
<arg value="-outjars optimized.jar"/>
<arg value="-libraryjars ${android-jar}"/>
<arg value="-dontpreverify"/>
<arg value="-dontobfuscate"/>
<arg value="-keep public class com.google.zxing.client.android.BarcodeReaderCaptureActivity"/>
<arg value="-optimizationpasses 7"/>
<arg value="-overloadaggressively"/>
<arg value="-verbose"/>
</java>
<delete file="temp.jar"/>
<delete dir="${outdir-classes}"/>
<mkdir dir="${outdir-classes}"/>
<unzip src="optimized.jar" dest="${outdir-classes}"/>
<delete file="optimized.jar"/>
<jvmarg value="-Dmaximum.inlined.code.length=32"/>
<arg value="-injars temp.jar"/>
<arg value="-outjars optimized.jar"/>
<arg value="-libraryjars ${android-jar}"/>
<arg value="-dontpreverify"/>
<arg value="-dontobfuscate"/>
<!-- Temporary workaround to keep important stuff in the client, while inlining core. -->
<arg value="-keep class com.google.zxing.client.android.BarcodeReaderCaptureActivity { *; }"/>
<arg value="-keep class com.google.zxing.client.android.CameraManager { *; }"/>
<arg value="-keep class com.google.zxing.client.android.CameraThread { *; }"/>
<arg value="-optimizationpasses 7"/>
<arg value="-overloadaggressively"/>
<arg value="-verbose"/>
<!-- Needed to allow getters which refer to private members to be inlined. -->
<arg value="-allowaccessmodification"/>
</java>
<delete file="temp.jar"/>
<delete dir="${outdir-classes}"/>
<mkdir dir="${outdir-classes}"/>
<unzip src="optimized.jar" dest="${outdir-classes}"/>
<delete file="optimized.jar"/>
</target>
<!-- Convert this project's .class files into .dex files. -->
@ -182,6 +187,7 @@
<exec executable="${dx}" failonerror="true">
<arg value="-JXmx384M"/>
<arg value="--dex"/>
<arg value="--optimize"/>
<arg value="--output=${intermediate-dex}"/>
<arg value="--locals=${locals}"/>
<arg value="--positions=${positions}"/>