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            <b><a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - KDE Konsole very slow scrolling with TearFree and QT graphics system native"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=77436#c162">Comment # 162</a>
              on <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - KDE Konsole very slow scrolling with TearFree and QT graphics system native"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=77436">bug 77436</a>
              from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
        <pre>On a GT2 ivb with dual channel I get @1024x768:

Testing a8r8g8b8 with Src: ref=0.336485, out=0.397242
Testing x8r8g8b8 with Src: ref=0.339070, out=0.389645
Testing a8r8g8b8 with Over: ref=1.031118, out=0.350234
Testing x8r8g8b8 with Over: ref=0.339027, out=0.386291

which more closely match your results. Maybe not quite the lead I hoped. Time
to ponder again.</pre>
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