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ABX <abx### [at] abx artpl> wrote:
>On Tue, 09 Dec 2003 12:05:19 GMT, kai### [at] siemenscom (Andreas Kaiser)
>wrote:
>> It's *much* faster than the original version.
>
>I'm sure any measurable impresssion :-) from rendering the same (benchmark)
>scene with the old and new code with binaries made by the same compiler would
>be appreciated (together with statistic output of POV-Ray).
>
The following values result from rendering a menger sponge with
various levels. My system is a PIII Notebook with 850 MHz and 256 MB
RAM. Both binaries were compiled with MS C++ V7.1.
Level 2 3 4 5 6
----------------------------------------------------------------------
org.V.: 4.93 52.41 2206.95 - -
my V.: 3.88 10.57 34.83 138.53 746.00
Values are total time in seconds. I didn't render level 5 and 6 with
the original version (they wouldn't have finished yet). I started
level 7 with my version but cancelled it: The parsed scene exceeded
available main memory, so the result would only describe the speed of
my harddisk.
Below is the detailed statistics output for level 4.
======================= original version ================
Statistics for D:\POV-Ray\MyScenes\Sponge\akasponge1.pov, Resolution
320 x 240
----------------------------------------------------------------------------
Pixels: 76800 Samples: 76800 Smpls/Pxl: 1.00
Rays: 213509 Saved: 9460 Max Level: 11/40
----------------------------------------------------------------------------
Ray->Shape Intersection Tests Succeeded Percentage
----------------------------------------------------------------------------
Box 543929780 3641346 0.67
CSG Intersection 309755 222006 71.67
----------------------------------------------------------------------------
Calls to Noise: 393390 Calls to DNoise: 236044
----------------------------------------------------------------------------
Shadow Ray Tests: 105706 Succeeded: 59268
Reflected Rays: 136709
----------------------------------------------------------------------------
Smallest Alloc: 25 bytes Largest: 24088
Peak memory used: 1348571 bytes
----------------------------------------------------------------------------
Time For Trace: 0 hours 36 minutes 49.0 seconds (2208 seconds)
Total Time: 0 hours 36 minutes 48.0 seconds (2208 seconds)
----------------------------------------------------------------------------
CPU time used: kernel 0.60 seconds, user 2206.35 seconds, total
2206.95 seconds
Render averaged 34.80 PPS over 76800 pixels
======================= my version ================
Statistics for D:\POV-Ray\MyScenes\Sponge\akasponge1.pov, Resolution
320 x 240
----------------------------------------------------------------------------
Pixels: 76800 Samples: 76800 Smpls/Pxl: 1.00
Rays: 213326 Saved: 9434 Max Level: 11/40
----------------------------------------------------------------------------
Ray->Shape Intersection Tests Succeeded Percentage
----------------------------------------------------------------------------
Box 29998766 3637518 12.13
CSG Intersection 248358 221719 89.27
Bounding Box 20088132 5824508 28.99
----------------------------------------------------------------------------
Calls to Noise: 393690 Calls to DNoise: 236224
----------------------------------------------------------------------------
Shadow Ray Tests: 105609 Succeeded: 59169
Reflected Rays: 136526
----------------------------------------------------------------------------
Time For Parse: 0 hours 0 minutes 1.0 seconds (1 seconds)
Time For Trace: 0 hours 0 minutes 34.0 seconds (34 seconds)
Total Time: 0 hours 0 minutes 35.0 seconds (35 seconds)
----------------------------------------------------------------------------
CPU time used: kernel 0.55 seconds, user 34.28 seconds, total 34.83
seconds
Render averaged 2204.99 PPS over 76800 pixels
Bye,
Andreas
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