[[tag exa performance xorg]]
So I found the answer to my [[fill rate
-confusion|rectangles-corrected]] and it turned out to not be all that
+confusion|corrected_rectangles]] and it turned out to not be all that
interesting in the end---no pretty graphs this time. And it should
have been obvious to me---though admittedly the EXA run time was too
fast for me to _see_ what was happening.