<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>33766</bug_id>
          
          <creation_ts>2010-01-16 14:20:09 -0800</creation_ts>
          <short_desc>Copying TransformationMatrix consumed a lot of cpu time while scroll with cursor over content</short_desc>
          <delta_ts>2010-01-16 15:04:43 -0800</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>New Bugs</component>
          <version>528+ (Nightly build)</version>
          <rep_platform>Other</rep_platform>
          <op_sys>OS X 10.5</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords></keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Oliver Hunt">oliver</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>181559</commentid>
    <comment_count>0</comment_count>
    <who name="Oliver Hunt">oliver</who>
    <bug_when>2010-01-16 14:20:09 -0800</bug_when>
    <thetext>Copying TransformationMatrix consumed a lot of cpu time while scroll with cursor over content</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>181560</commentid>
    <comment_count>1</comment_count>
      <attachid>46750</attachid>
    <who name="Oliver Hunt">oliver</who>
    <bug_when>2010-01-16 14:23:27 -0800</bug_when>
    <thetext>Created attachment 46750
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>181562</commentid>
    <comment_count>2</comment_count>
      <attachid>46750</attachid>
    <who name="Nikolas Zimmermann">zimmermann</who>
    <bug_when>2010-01-16 14:50:34 -0800</bug_when>
    <thetext>Comment on attachment 46750
Patch

Ok, if the assumption this gives more benefit than hurts in memory cost holds true, and it does according to Oliver, it&apos;s fine with me, it looks a bit awkward on first sight, but if it helps to improve performance a lot, let&apos;s go for it, r=me.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>181563</commentid>
    <comment_count>3</comment_count>
    <who name="Oliver Hunt">oliver</who>
    <bug_when>2010-01-16 15:04:43 -0800</bug_when>
    <thetext>Committed r53365: &lt;http://trac.webkit.org/changeset/53365&gt;</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>46750</attachid>
            <date>2010-01-16 14:23:27 -0800</date>
            <delta_ts>2010-01-16 14:50:33 -0800</delta_ts>
            <desc>Patch</desc>
            <filename>bug-33766-20100116142326.patch</filename>
            <type>text/plain</type>
            <size>13261</size>
            <attacher name="Oliver Hunt">oliver</attacher>
            
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<flag name="review"
          id="29063"
          type_id="1"
          status="+"
          setter="zimmermann"
    />
          </attachment>
      

    </bug>

</bugzilla>