nejug-outline.rtf

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\f0\fs24 \cf0 Android Presentation\
\
What to cover?\
 - ashram\
 - flingers\
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\cf0  - binder / services / content providers\
    - thread pool\
 - bionic\
 - light-weight jni\
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\cf0  - layout of files: image vs normal install\
 - how are security policies enforced?\
   - ownership of files\
 - there is no class loader\
 - zygote\
   - shared vs private - clean vs dirty memory\
 - dalvik\
   - zygote\
   - dexopt\
   - normal flow\
\
Installation optimizations\
 - v-table calculations\
 - empty call elimination\
 - getter / setter elimination\
\
HotSpot Problems\
 - memory foot print\
 - start-up time\
\
HotSpot vs Dalivk\
 - Class-es and JAR-s vs DEX-es\
 - Standard ByteCode vs Dalvik ByteCode\
 - Stack-Based vs Register-Based\
\
 - Method JIT vs Trace JIT\
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\cf0  - ?Some talk about JIT fundamentals?\
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\cf0 \
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\cf0  - HotSpot client lifecycle\
   HotSpot server lifecycle\
   Dalvik lifecycle\
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\cf0 \
 - Dalvik GC - including book keeping\
\
References to Smali and Baksmali\
Play with Calyper for Android\
 - string length performance\
 - getter / setter performance\
 - method invocation performance\
 - locking performance\
 - exception performance\
   - reusing exceptions\
\
2.3 Added a Concurrent GC\
\
Trace View disables the JIT\
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