Slides - jtres 2012

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Tablet PC with ARM Cortex-A8 and 1GB memory Android 2.3 Gingerbread on Linux 2.6.35 PhoneME advanced JVM (HotSpot) on Linux 2.6.32 EEMBC GrinderBench DVM JITC generates Thumb2 code, while JVM JITCgenerates ARM code• Thumb2 reduces code size by 15%, performance by 6%Virtual Machine & Optimization Lab12
2.521.510.50Chess kXML Parallel PNG RegEx GeomeanJVM Interpreter DVM Interpreter DVM C InterpreterDVM assembly interpreter is faster than JVM’s, but its C interpreter is similar 13Virtual Machine & Optimization Lab
Page 4: VM for executing Java in Android pl
Page 11: Java Source Codepublic static int f
Page 15 and 16: 2.521.510.50Chess kXML Parallel PNG
Page 17 and 18: 1.81.61.41.210.80.60.40.20Chess kXM
Page 19 and 20: How many times a Dalvik bytecode is
Page 21 and 22: 86.00%75.00%654.00%43.00%32.00%211.
Page 23 and 24: Low code quality due to short trace
Page 25 and 26: 100%80%60%40%20%0%Native Native app
Page 27 and 28: Garbage collection (GC) portion is
Page 29 and 30: Numbers are log scale 1000000010000
Page 31 and 32: 500450400350300250200150100500App t
Page 33 and 34: Loading time only 1.21.110.90.80.7A

Slides - jtres 2012

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