[Webkit-unassigned] [Bug 52140] New: [EFL] Enable JIT for WebKit EFL

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=52140

           Summary: [EFL] Enable JIT for WebKit EFL
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit EFL
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: gyuyoung.kim at samsung.com


When JIT option is enabled, JS performance is much times faster than before.


In Sunspider 0.9.1 benchmarks,

 - Disabled JIT : 1,254.9 ms +/- 1.2%
 - Enabled JIT : 351.0 ms +/- 2.4%

Enabled JIT is 3.5 times faster than before in Sunspider benchmark.
(Smaller is better in Sunspider Benchmark.)


In V8 Benchmark Suite - Version 3

 - Disabled JIT : 564

     Richards: 429
     DeltaBlue: 493
     Crypto: 243
     RayTrace: 1628
     EarleyBoyer: 1689
     RegExp 229

 - Enable JIT : 3462

        Richards : 3244
        DeltaBlue: 3324
        Crypto: 2771
        RayTrace : 6077
        EarleyBoyer: 4792
        RegExp: 1979

Enabled JIT is 6.1 times faster than before in V8 Benchmark.
(Bigger is better in V8 Benchmark.)

- SUT 

  1. CPU : Intel(R) Core(TM) i5 CPU 750  @ 2.67GHz
  2. RAM : 3GB
  3. OS : Ubuntu 10.04
  4. WebKit EFL Source : Clone 2011.01.10.


I couldn't copy the result as text. So, I capture the screenshots. Please find attachments.

When I turn JIT on before, EWebLauncher comes to crash. However, recently, even though JIT is turned on,
EWebLauncher doesn't come to crash.

WebKit EFL Guys,
How do you think about turning JIT on ?

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