I made a more specific test with a scene containing 11620 rectangles
(and only those rectangles :-).  


These are the results:


-----------------------------------------------------------------
mesh
-----------------------------------------------------------------
Peak memory used:         20078124 bytes
-----------------------------------------------------------------
Time For Parse:    0 hours  0 minutes   3.0 seconds (3 seconds)
Time For Trace:    0 hours  1 minutes  13.0 seconds (73 seconds)
    Total Time:    0 hours  1 minutes  16.0 seconds (76 seconds)

-----------------------------------------------------------------
triangle union
-----------------------------------------------------------------
Peak memory used:         20313423 bytes
-----------------------------------------------------------------
Time For Parse:    0 hours  0 minutes   4.0 seconds (4 seconds)
Time For Trace:    0 hours  1 minutes  35.0 seconds (95 seconds)
    Total Time:    0 hours  1 minutes  39.0 seconds (99 seconds)
          
-----------------------------------------------------------------
polygon
-----------------------------------------------------------------
Peak memory used:         20260648 bytes
-----------------------------------------------------------------
Time For Parse:    0 hours  0 minutes   3.0 seconds (3 seconds)
Time For Trace:    0 hours  1 minutes   9.0 seconds (69 seconds)
    Total Time:    0 hours  1 minutes  12.0 seconds (72 seconds)
    
-----------------------------------------------------------------
box 0 height
-----------------------------------------------------------------
Peak memory used:         20450420 bytes
-----------------------------------------------------------------
Time For Parse:    0 hours  0 minutes   2.0 seconds (2 seconds)
Time For Trace:    0 hours  1 minutes   7.0 seconds (67 seconds)
    Total Time:    0 hours  1 minutes   9.0 seconds (69 seconds)
    
-----------------------------------------------------------------
clipped plane
-----------------------------------------------------------------
Peak memory used:         22095452 bytes
-----------------------------------------------------------------
Time For Parse:    0 hours  0 minutes   3.0 seconds (3 seconds)
Time For Trace:    0 hours  1 minutes   9.0 seconds (69 seconds)
    Total Time:    0 hours  1 minutes  12.0 seconds (72 seconds)

--
Christoph Hormann <chr### [at] gmxde>
Homepage: http://www.schunter.etc.tu-bs.de/~chris/

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