December 9, 2011

dongdong dongdong
Lab Rat
13 posts

javascript-jit question



The default configure (qt-everywhere-opensource-src-4.7.2) is build the JavaScriptCore JIT compiler.

If I use ‘-no-javascript-jit’ option, Will it affect QtWebkit performance?
How JavaScriptCore JIT compiler works?
How do I know whether JIT compiler works or not?


2 replies

December 10, 2011

Mohsen Mohsen
Lab Rat
685 posts

Probably disabling javascript will affect performance. But i don’t know how much it’s effective when a non-included javascript page where loaded.


December 11, 2011

nowrep nowrep
Lab Rat
11 posts

Disabling just in time (JIT) compiler will surely affect QtWebKit performance in javascript related tasks.

You can get some numbers from this [] blog
“Runnig time with different JavaScript execution models” table

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