Most software we run in computer is already compiled into binary code in advance in order to make the programs execute faster. However, JavaScript usually is interpreted line by line during running has caused longer time needed for responding.
TraceMonkey is the magic pill that makes the new Firefox much quicker. TaceMonkey or known as just-in-time compiler, is designed to only concentrate on translating selected high-priority portion of software. It finds loop of repeated activity where program often spend lot of time, then compile into native instructions the computer can understand, eventually improves the web browsing performance significantly.
Unfortunately, the beta version has this feature disabled. By changing the value of a couple of configuration settings, you can easily enable TraceMonkey and enjoy its speedy goodness.
Although TraceMonkey is off in Firefox 3.1 by default as it is not entirely bug-free, but you can turn this feature on to have a try and to make web browsing faster by changing the value in the configuration settings with only a few simple steps.
- Open Firefox.
- In the Location Bar, input about:config.
- Click to get past the warning message that appears.
- Locate the Preference Name javascript.options.jit.chrome.
- Double-click the preference and change the value to true.
- Locate the Preference Name javascript.options.jit.content.
- Double-click the preference and change the value to true.
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