Java's performance myth# Java - 爪哇娇娃
d*x
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Java has long been prototyped as slow, inefficient...that might be true
for early versions JVM. Now, with the advent and perfection of JIT and other
online optimization techniques, and with the extensive optimization of JVM and
JDK, things has been changed, tremendously. Everybody had experience with
JDK1.3 and its build-in Hotspot system will clearly see that.
But that doesn't mean Java doesn't have performance problems anymore.
For one thing, the startup cost of the dynamic optimization subsys
for early versions JVM. Now, with the advent and perfection of JIT and other
online optimization techniques, and with the extensive optimization of JVM and
JDK, things has been changed, tremendously. Everybody had experience with
JDK1.3 and its build-in Hotspot system will clearly see that.
But that doesn't mean Java doesn't have performance problems anymore.
For one thing, the startup cost of the dynamic optimization subsys