Description of the Just-In-Time Compiler

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Microsoft Internet Explorer includes a Just-In-Time (JIT)compiler that changes the manner in which Java programs are run.
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The JIT compiler translates bytecodes into native machine code. Thiscompilation process is done only once, and a link is created between thebytecode and the corresponding compiled code. The purpose of thisprocess is to increase the speed at which Java programs run. You mayrealize a speed increase of more than 50 times when some mathematicallyintensive functions are performed.

NOTE: Some Java programs may run at the same speed or slower when youare using the JIT compiler.

You can enable or disable the JIT compiler by using the following steps:

  1. Click Start, point to Settings, and then click Control Panel.
  2. Double-click Internet.
  3. Click the Advanced tab.
  4. Click the Enable Java JIT Compiler check box to select it or to clear it, and then click OK.
NOTE: You must shut down and restart Internet Explorer for the change totake effect.
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Article ID: 154580 - Last Review: 06/22/2014 18:04:00 - Revision: 5.0

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