[Webkit-unassigned] [Bug 42856] New: Enable the jit on arm

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Jul 22 16:22:42 PDT 2010


https://bugs.webkit.org/show_bug.cgi?id=42856

           Summary: Enable the jit on arm
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: Enhancement
          Priority: P2
         Component: WebKit Gtk
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: riccardo.magliocchetti at gmail.com



Riccardo Magliocchetti <riccardo.magliocchetti at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #62357|                            |review-
               Flag|                            |


Created an attachment (id=62357)
 --> (https://bugs.webkit.org/attachment.cgi?id=62357)
enable arm jit compilation

The jit appears to work fine, compile and tested on debian sid armel.

FYI, These are the results from sunspider-0.9 with GtkLauncher on qemu virtual machine with 128MB:

============================================
RESULTS (means and 95% confidence intervals)
--------------------------------------------
Total:                 30555.4ms +/- 0.7%
--------------------------------------------

  3d:                   6582.0ms +/- 4.3%
    cube:               2696.4ms +/- 7.8%
    morph:              1830.2ms +/- 5.9%
    raytrace:           2055.4ms +/- 2.8%

  access:               3339.4ms +/- 4.7%
    binary-trees:        289.4ms +/- 12.5%
    fannkuch:            341.2ms +/- 4.4%
    nbody:              2590.8ms +/- 5.2%
    nsieve:              118.0ms +/- 5.9%

  bitops:                956.6ms +/- 2.0%
    3bit-bits-in-byte:    81.2ms +/- 1.3%
    bits-in-byte:        107.2ms +/- 1.0%
    bitwise-and:          86.4ms +/- 3.9%
    nsieve-bits:         681.8ms +/- 2.2%

  controlflow:            72.4ms +/- 3.6%
    recursive:            72.4ms +/- 3.6%

  crypto:               2289.8ms +/- 3.0%
    aes:                 594.0ms +/- 5.0%
    md5:                 804.8ms +/- 1.2%
    sha1:                891.0ms +/- 6.5%

  date:                 2014.6ms +/- 1.6%
    format-tofte:        850.4ms +/- 2.2%
    format-xparb:       1164.2ms +/- 2.0%

  math:                 9396.0ms +/- 2.8%
    cordic:             2426.4ms +/- 7.6%
    partial-sums:       5880.4ms +/- 2.3%
    spectral-norm:      1089.2ms +/- 3.7%

  regexp:                266.0ms +/- 3.4%
    dna:                 266.0ms +/- 3.4%

  string:               5638.6ms +/- 1.5%
    base64:              691.4ms +/- 4.7%
    fasta:              1395.2ms +/- 3.8%
    tagcloud:            887.2ms +/- 0.8%
    unpack-code:        1605.2ms +/- 2.0%
    validate-input:     1059.6ms +/- 2.1%

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