By the analysis of JVM instruction set architecture and the measurement of typical Java application programs, the crucial problems to be resolved are ascertained.

• 本文首先通过对Java虚拟机指令系统的分析和对Java典型应用程序的测试，提炼出Java虚拟机指令的执行特点，明确了Java芯片系统中需要解决的关键问题。