OpenJDK is an implementation of the Java SE and Linaro has been involved into OpenJDK aarch64 support since 2014. In this session, we will take a look at auto vectorization support in the OpenJDK9 hotspot C2 compiler, especially the NEON support in AArch64 backend. Some potential optimization points of vectorization in OpenJDK9 Hotspot (especially for AArch64 backend) are also described.

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The Dalvik virtual machine is the crucial part of Android responsible for executing platform independent code in Android apps.The upcoming L release of Android replaces "Dalvik" with a new implementation of the Dalvik virtual machine called the "Android RunTime" (ART). In this session you can learn about ART, Dalvik compatibility, and our experiences assisting with the 64bit porting efforts on AOSP.

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