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"Chambers" <ben### [at] pacificwebguy com> wrote in message
news:9E363925719942B18BA14BF08FF37968@HomePC...
> Could you post what times you get with specific scenes?
I hadn't checked any of the sample files before posting until now so I gave
the scenes\advanced\benchmark.pov a try and found the render times to be
like I would expect. Using 1 thread was slower at 26 minutes, while 2
threads improves that to about 14 minutes; both SSE2's I tested it in, while
non-SSE2 is similar yet slower overall of course.
A curiosity to me was how photons are reported, saying 5 threads, although I
understand this isn't finished yet but since the file had it on I left it
as-is. I didn't use radiosity at all. Here's one of the render time stats:
Photon Time: 0 hours 11 minutes 11 seconds (671.876 seconds)
using 5 thread(s) with 1028.810 CPU-seconds total
Radiosity Time: No radiosity
Trace Time: 0 hours 13 minutes 31 seconds (811.406 seconds)
using 2 thread(s) with 1578.745 CPU-seconds total
Looking more at the stats I've realized something is probably wrong about
Max Level, it was saying the output image resolution (same width, height
numbers). Don't know if that's just incorrect or really happening in the
render but it's only when setting Work_Threads=2 not =1, only the
*radiosity-changed* executable does this-- not the original beta 30.
If I find an included scene file which causes the huge render-time
difference I will post back about it.
For at least one of my own files (actually a pov with collection of .inc's)
the render-time differences can be incredible, at the same output image
resolution just over 12 minutes using 1 thread in pvengine-sse2.exe, and
about 96 minutes using 2 threads in pvengine32-sse2.exe (pvengine-sse2.exe
beta 30 was 6 minutes faster, or 90 minutes, for whatever reason).
My guess was perhaps the splines causing trouble but since I haven't a clue
how thread count can affect object types being rendered (rather vice versa)
I can't really say what's going on. I don't understand the processes
involved.
Here's stats when rendering one of my own pov files:
_____________________________________________________________________________
begin stats for pvengine-sse2 beta 30 1 thread
----------------------------------------------------------------------------
Finite Objects: 7474
Infinite Objects: 0
Light Sources: 2
Total: 7476
Parser Time
Parse Time: 0 hours 0 minutes 0 seconds (0.000 seconds)
using 1 thread(s) with 1.934 CPU-seconds total
Bounding Time: 0 hours 0 minutes 0 seconds (0.047 seconds)
using 1 thread(s) with 0.046 CPU-seconds total
Render Options
Quality: 9
Bounding boxes.......On Bounding threshold: 3
Antialiasing.........On (Method 1, Threshold 0.400, Depth 2, Jitter Off)
Render Statistics
Image Resolution 1600 x 1200
Pixels: 2040800 Samples: 4629652 Smpls/Pxl: 2.27
Rays: 12772602 Saved: 1587744 Max Level: 9/9
Ray->Shape Intersection Tests Succeeded Percentage
Blob 200144 35757 17.87
Blob Component 167655 84980 50.69
Blob Bound 800576 167655 20.94
Box 895707 888096 99.15
Cone/Cylinder 10696292 9385215 87.74
CSG Intersection 10395 132 1.27
CSG Union 462067 174964 37.87
Polygon 143850 62685 43.58
Sphere 505290 382893 75.78
Sphere Sweep 18753062 540509 2.88
Surface of Revolution 355109 187896 52.91
Surface of Rev. Bound 355109 291122 81.98
Torus 190213 103812 54.58
Torus Bound 190213 104002 54.68
True Type Font 817186 213488 26.12
Clipping Object 540887 478611 88.49
Bounding Box 2413335789 531789506 22.04
Function VM calls: 9498297
Roots tested: 18806406 eliminated: 1119
Shadow Ray Tests: 10683037 Succeeded: 47102
Shadow Cache Hits: 40562
Reflected Rays: 168931 Total Internal: 8718
Refracted Rays: 160895
Transmitted Rays: 5772324
Smallest Alloc: 12 bytes
Largest Alloc: 12 bytes
Total Alloc calls: 1 Free calls: 56312792
Render Time:
Photon Time: No photons
Radiosity Time: No radiosity
Trace Time: 0 hours 12 minutes 21 seconds (741.718 seconds)
using 1 thread(s) with 739.631 CPU-seconds total
POV-Ray finished
-
CPU time used: kernel 1.40 seconds, user 744.23 seconds, total 745.64
seconds.
Elapsed time 746.60 seconds.
Render averaged 2571.65 PPS (2574.98 PPS CPU time) over 1920000 pixels.
----------------------------------------------------------------------------
end stats for pvengine-sse2 beta 30 1 thread
_____________________________________________________________________________
begin stats for pvengine32-sse2 (radiosity-changed) beta 30 2 threads
----------------------------------------------------------------------------
Finite Objects: 7474
Infinite Objects: 0
Light Sources: 2
Total: 7476
Parser Time
Parse Time: 0 hours 0 minutes 0 seconds (0.000 seconds)
using 1 thread(s) with 1.591 CPU-seconds total
Bounding Time: 0 hours 0 minutes 0 seconds (0.047 seconds)
using 1 thread(s) with 0.046 CPU-seconds total
Render Options
Quality: 9
Bounding boxes.......On Bounding threshold: 3
Antialiasing.........On (Method 1, Threshold 0.400, Depth 2, Jitter Off)
Render Statistics
Image Resolution 1600 x 1200
Pixels: 2040800 Samples: 4629652 Smpls/Pxl: 2.27
Rays: 12772602 Saved: 1587744 Max Level: 1600/1200
Ray->Shape Intersection Tests Succeeded Percentage
Blob 200144 35757 17.87
Blob Component 167655 84980 50.69
Blob Bound 800576 167655 20.94
Box 895707 888096 99.15
Cone/Cylinder 10696292 9385215 87.74
CSG Intersection 10395 132 1.27
CSG Union 462067 174964 37.87
Polygon 143850 62685 43.58
Sphere 505290 382893 75.78
Sphere Sweep 18753062 540509 2.88
Surface of Revolution 355109 187896 52.91
Surface of Rev. Bound 355109 291122 81.98
Torus 190213 103812 54.58
Torus Bound 190213 104002 54.68
True Type Font 817132 213488 26.13
Clipping Object 540887 478611 88.49
Bounding Box 2413335438 531789436 22.04
Function VM calls: 9498297
Roots tested: 18806406 eliminated: 1119
Shadow Ray Tests: 10683037 Succeeded: 47102
Shadow Cache Hits: 40563
Reflected Rays: 168931 Total Internal: 8718
Refracted Rays: 160895
Transmitted Rays: 5772324
Smallest Alloc: 12 bytes
Largest Alloc: 12 bytes
Total Alloc calls: 2 Free calls: 56314983
Render Time:
Photon Time: No photons
Radiosity Time: No radiosity
Trace Time: 1 hours 36 minutes 33 seconds (5793.391 seconds)
using 2 thread(s) with 7003.306 CPU-seconds total
POV-Ray finished
-
CPU time used: kernel 267.56 seconds, user 6745.00 seconds, total 7012.56
seconds.
Elapsed time 5799.85 seconds, CPU vs elapsed time ratio 1.21.
Render averaged 331.04 PPS (273.79 PPS CPU time) over 1920000 pixels.
----------------------------------------------------------------------------
end stats for pvengine32-sse2 (radiosity-changed) beta 30 2 threads
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