JVM '02 Abstract
sEc: A Portable Interpreter Optimizing technique for Embedded Java
Venugopal K S, Geetha Manjunath, Venkatesh Krishnan, Hewlett-Packard Laboratories, Palo-Alto
This paper describes a radical approach
to aggressively optimize an embedded Java virtual machine interpretation
in a portable way. We call this technique Semantically Enriched Code (
sEc). The sEc technique can improve the speed of a JVM by orders
of magnitude. The sEc technique adapts an embedded Java virtual machine to
the demands of a Java application by automatically generating an enhanced
virtual machine for every application. The bytecode set of the virtual machine
is augmented with new application-specific opcodes, enabling application to
achieve greater performance. Aggressive static or offline optimizations are
done to ensure tight coupling between the Java application, Java virtual machine
and the underlying hardware. sEc makes an embedded Java virtual machine become
a domain specific Java virtual machine – a versatility not possible with the hardware.
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