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Author Topic: BuddhabrotCL  (Read 1344 times)
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Chillheimer
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chilli.chillheimer chillheimer
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« Reply #15 on: November 19, 2016, 02:34:31 PM »

I've had the same problem in the last version and as I've started to do longer renderings to get more details of zoomed in sections this really becomes a problem:
When I safe pictures after longer rendertimes (like 12hours+) the chances of crashing while export seems to rise very much. After 24hours I can be pretty sure that as soon as I hit 'safe' it will crash.
The result is a half-safed png as attached (downsized, was 7680▓ resolution), it seems to crash at different points. And all the days of rendering are lost.
I don't kjnow what more info I could provide you with but I really hope you find a solution to this. maybe a different way of saving the progress before exporting, so that even if it crashes, not all progress is lost and one can continue at the last savepoint?

-happens on cpu as well as gpu
-not sure but I feel it happens much more often after I switched filter type from linear/square to log&log10
-large rendersizes of over 7680*7680
-core i7-3770, 32gb ram, windows 10 64 bit
-Sapphire Vapor-X Radeon R9 290 Tri-X OC, 4096 MB GDDR5


(besides that: this is currently my absolute favourit program, running 24/7, chewing out the most impressive pictures I've ever seen of the mandelbrot-set - and I've seen a lot! will share, when I'm ready wink)


* 250k-750k-MaxRes-c1.png (89.71 KB, 720x720 - viewed 53 times.)
« Last Edit: November 19, 2016, 03:13:37 PM by Chillheimer » Logged

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woronoi
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« Reply #16 on: November 21, 2016, 10:06:39 AM »

Awful. I'll try fix it ASAP.
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woronoi
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« Reply #17 on: March 19, 2017, 10:58:18 PM »

New release: BuddhabrotCL-bin-1.8.4.zip
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Chillheimer
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chilli.chillheimer chillheimer
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« Reply #18 on: March 19, 2017, 11:05:13 PM »

*me jumps on it* wink

opens fine, but as soon as I start to render i get "sorry, can't build kernel! Open CL error code detected: BuildProgramFailure"
no matter if I chose the opencl-emulation or just my cpu.
it still works in 1.82

if I try the same thing a second time the error message changes to "sorry can't buid kernel!  --and then in german, I try to translate-- the objectlink was not assigned to an object-entity"
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--- Fractals - add some Chaos to your life and put the world in order. ---
woronoi
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« Reply #19 on: March 20, 2017, 06:43:53 AM »

@Chillheimer, I can't reproduce that. Try to copy `cl_mh.c` from 1.8.2 to 1.8.4, choose it under the `kernel` menu and run it.
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woronoi
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« Reply #20 on: March 24, 2017, 02:25:18 PM »

Use `cl_heuristic.c` for high iterations but not in a deep zoom
and `cl_metropolis.c` for deep zoom but not at high iterations.

About coloring:

Iterations Max (maxI) = 1 000 000
low color % = 0.001 * maxI = 1000
mid color % = 0.02 * maxI = 20 000

Tint = BGR
Blue = 0..1 000
Green = 1 000..20 000
Red = 20 000..1 000 000

See an example on the picture below


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Chillheimer
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chilli.chillheimer chillheimer
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« Reply #21 on: March 24, 2017, 02:34:28 PM »

Hi
replacing that file with the 1.8.2 version works (though it crashed repeatedly when I tried 1million+ iterations

and when I choose a different kernel-file, like the ones you suggested I still get that error.
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--- Fractals - add some Chaos to your life and put the world in order. ---
woronoi
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« Reply #22 on: March 24, 2017, 05:05:41 PM »

Next release: BuddhabrotCL-bin-1.8.5.zip

Chillheimer, you should try to use kernels under the `kernel/Compatibility` folder.
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