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Welcome to Fractal Forums > Fractal Software > 3D Fractal Generation > Mandelbulber > Releases > Mandelbulber 1.19 - OpenCL - user defined formulas management
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Author Topic: Mandelbulber 1.19 - OpenCL - user defined formulas management  (Read 5864 times)
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Buddhi
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« Reply #15 on: December 15, 2013, 10:54:13 AM »
I have tried all possible methods to avoid this problem (double quotes, put files into program folder...). This is known bug in OpenCL compiler. Till yesterday I knew that it was only for nVidia driver. But now I see that it also happens for AMD. The worst is that I can't reproduce this problem on my machine (it uses double quotes properly - AMD under Vista). I also took into consideration to load mandelbulber_cl_data.h file in the same way like other files. Unfortunately this method will make difficult debugging the code (numbers of code lines will be wrong when compile error occurs). I also can't hardcode path in #include command, because under different systems this path can be different.
Only idea what I can change is location of includes. What will be the best folder under Windows instead of "Program files" which has no spaces in path?
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My fractal gallery: http://krzysztofmarczak.deviantart.com
fractal animations: http://www.youtube.com/user/xlace
Mandelbulber program: https://github.com/buddhi1980/mandelbulber2
R-TEAM
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Posts: 12
« Reply #16 on: December 15, 2013, 10:54:25 PM »
Hi,

have the exactly same problem on my second workstation (IBM QuadCore) with Win7Pro64SP1 too...
(GFX Card here an AMD HD4850 - so an different driver)
Maybe Win7 related ? (or the German version ? )

Regards
R-TEAM
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R-TEAM
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Posts: 12
« Reply #17 on: December 15, 2013, 10:57:06 PM »
Hi,

Quote from: Buddhi on December 15, 2013, 10:54:13 AM
......What will be the best folder under Windows instead of "Program files" which has no spaces in path?


Simply - create an folder (like OpenCL directly on C:\ -> C:\OpenCL ) - if the known problem is gone with the compiler, the folder can be deleted/moved back to the programm folder ...

Regards
R-TEAM
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JohnVV
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« Reply #18 on: December 16, 2013, 07:56:25 AM »
Not just "no blank spaces" but under win7 people have been having all kinds of major problems with MS's " Program Files" and windows royally messed up UAC ( read as FUBAR'ed UAC )

non "Administrator" accounts sometimes can not write to the program folder if it is in "Program Files"

a good option might be
C:\\Mandelbulber
or
C:\\MandelbulberOpenCL
or ( if you do not want to type a long name into "cmd.exe"  or did not turn on "Open CMD here" in win7 )
C:\\MCL
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Running OpenSUSE 42.1-64bit & ScientificLinux-6.7-64bit
I don't pitch Linux to my friends,I let Microsoft do it for me!"
Buddhi
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« Reply #19 on: December 17, 2013, 09:11:37 PM »
I have developed some nice workaround for this problem. I read in many forums that there is not possible to pass any parameter with spaces for OpenCL compiler (e.g. -I include path, -D define....). I started to look for alternative way to put something directly but dynamically into code. I use following method:

- in OpenCL kernel instead of #include "mandelbulber_cl_data.h" I use macro #include INCLUDE_PATH_CL_DATA
- in C++ code I stitch following header before first file with the code: #define INCLUDE_PATH_CL_DATA "/usr/share/mandelbulber/cl/mandelbulber_cl_data.h" (or some other, depends on OS and program folder path)
- additionally first line of the kernel code is modified to stat with double slash (//*********************). Then "#define..." will be in the first line of kernel code and don't make any additional line. So when there will be any compiler error I will still have proper line numbers.

This method passed first trials, so it looks promising
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My fractal gallery: http://krzysztofmarczak.deviantart.com
fractal animations: http://www.youtube.com/user/xlace
Mandelbulber program: https://github.com/buddhi1980/mandelbulber2
mclarekin
Fractal Senior
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Posts: 1739
« Reply #20 on: December 18, 2013, 04:36:17 AM »
Buddhi. Cant wait to try it out as I too have been stopped by error -43 on AMD A10-5800GHz Radeon HD 7660D, plus my crappy laptop AMD. I had wondered why in GPU Caps Viewer the Open CL demos worked but Mandelbulber wouldn't compile.
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R-TEAM
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Posts: 12
« Reply #21 on: December 18, 2013, 03:08:39 PM »
Hi,

yea - an nice running OpenCL part would be nice - for next year an GFX Card upgrade to S10000 is planed ... and the beast need numbers to crunch tongue stuck out

Regards
R-TEAM
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Buddhi
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Posts: 895



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« Reply #22 on: December 28, 2013, 09:48:46 AM »
This method to fix the problem with include path works well (tested under Linux with AMD and nVidia and under Win Vista with AMD). I think it is good information for all nVidia users (some AMD also). Today I released version 1.20 which should work properly with OpenCL under Windows.
Visit and comment in new thread: http://www.fractalforums.com/releases-b233/re-mandelbulber-1-20/msg69690/#new
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My fractal gallery: http://krzysztofmarczak.deviantart.com
fractal animations: http://www.youtube.com/user/xlace
Mandelbulber program: https://github.com/buddhi1980/mandelbulber2
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