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#apertus IRC Channel Logs

2018/05/24

Timezone: UTC


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Bertl_zZ
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se6astian|away
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se6astian
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se6astian|away
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se6astian
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TofuLynx
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11:19
TofuLynx
Good Afternoon!
12:26
intrac
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12:27
anuejn2
se6astian|away: did you do this rendering: https://www.apertus.org/sites/default/files/images/AXIOM-Beta-II-Overview-02.jpg ?
12:27
anuejn2
It looks quite cool
12:28
anuejn2
Just for interest: what software was used, and which lens model?
13:19
se6astian|away
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13:19
se6astian
anuejn I did not do the rendering, I did create the camera CAD model though
13:20
se6astian
the rendering was created by a german team member michael heinrichs
13:20
se6astian
I think he uses v-ray in c4d
13:20
TofuLynx
se6astian: Can you give me your email? I want to CC you in a email
13:20
se6astian
the lens is a zeiss distagon (as on the lens label) which he created himself afaik
13:21
se6astian
TofuLynx: https://www.apertus.org/GSoC-2018-Mentor-Contact-List
13:21
TofuLynx
Thanks :)
13:21
TofuLynx
Sent the email
13:22
se6astian
got it
13:23
se6astian
you have seen this page right: https://wiki.apertus.org/index.php/Shoodak ?
13:23
se6astian
that is my translation of stephan schuhs original paper
13:23
TofuLynx
yup
13:23
se6astian
which was in german
13:23
TofuLynx
Oh
13:23
TofuLynx
so it's basically what I requested him
13:23
se6astian
yes
13:24
se6astian
but its still good to establish contact
13:24
TofuLynx
Okk Thanks xD
13:24
se6astian
I am sure stephan is excited to hear you are working on this and would love to participate if time permits
13:24
TofuLynx
Great! :D
13:25
se6astian
lets hope he isnt shooting a big project currently, he is quite busy: https://www.imdb.com/name/nm0775939/
13:26
TofuLynx
Yeah, there are no current projects as far as imbd says
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13:26
se6astian
well I wouldnt count on IMDB to be the best source of information there
13:26
se6astian
but he normally is quite quick to reply
13:27
TofuLynx
true
13:27
TofuLynx
are all of those movies in german?
13:31
se6astian
I think so
13:45
se6astian
just arrived in Berlin, going to makre faire venue now
13:45
se6astian
*maker
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se6astian
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13:51
TofuLynx
Hope you have fun there!
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14:54
anuejn2
se6astian|away thx :)
14:55
anuejn2
Do you know, wether the lens model is free/open?
15:03
TofuLynx
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BAndiT1983|away
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17:27
BAndiT1983
TofuLynx: any answer from Stephan yet?
17:27
BAndiT1983
what about the complex interpolation in GEDI?
17:28
TofuLynx
Not Yet
17:28
TofuLynx
If you want, I could implement it.
17:29
BAndiT1983
it's up to you, but if we are ahead of schedule, then it would be a good sub-task
17:29
TofuLynx
Yup
17:29
TofuLynx
I think so
17:31
BAndiT1983
a bit later we could add a widget, which allows to select debayer method, so it could be compared
17:31
BAndiT1983
but before we need to adjust the memory allocator related stuff and straighten out the pipeline
17:43
BAndiT1983
TofuLynx: don't forget about trello, please
17:43
TofuLynx
oh yeah, almost forgot about trello
17:45
TofuLynx
I could benefit from being ahead of schedule by training those frameworks for acceleration
17:45
TofuLynx
training with*
17:47
BAndiT1983
which frameworks
17:47
BAndiT1983
?
17:48
TofuLynx
openCL
17:49
BAndiT1983
try your luck, but openmp is easier to set up first
17:49
BAndiT1983
it's in the compiler
17:50
TofuLynx
hmm we should discuss which one to use
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17:57
BAndiT1983
openmp and opencl have different targets, opencl can also be used as hybrid solution between cpu and gpu, it can be intermixed
17:58
Kjetil
while openmp is just compiler-cpu magic ;)
17:59
TofuLynx
wasn't our objective to eventually use the GPU?
18:00
BAndiT1983
Kjetil: you should try yourself as stand-up comedian :D
18:00
BAndiT1983
TofuLynx: yes, but it should be done step by step
18:00
Kjetil
I believe my audience would be rather limited :)
18:01
BAndiT1983
here the audience is also limited mostly to nerds :P
18:01
BAndiT1983
maybe also geeks
18:01
TofuLynx
Hmm Okay, In that case I will do it with openMP then
18:04
BAndiT1983
mandatory -> http://i.imgur.com/67ksBqp.png
18:05
Kjetil
As BAndiT1983 mentioned openMP is very easy to get going with. And if you know were the hotspot in the code is you should see performance improvement straight away
18:06
BAndiT1983
but don't forget to test it against release mode, just remember the last time you've measured the loops ;)
18:09
BAndiT1983
https://pdfs.semanticscholar.org/c135/e3b0e7f2d6c5750e8e2cab07003722aa8efb.pdf
18:12
TofuLynx
Oh dont even talk me about that loop issue xD It even messed up bayer Pre Processor entirely
18:13
TofuLynx
bookmarked the link!
18:13
BAndiT1983
still wondering what the cause of the problem was
18:14
BAndiT1983
there are already time measurements in the logs, so you could analyze which part is taking rather long time
18:14
BAndiT1983
if it's not enough, then you can add additional logging
18:15
BAndiT1983
also unit tests can output duration, provided by the framework
18:15
TofuLynx
arent unit tests too small to evaluate duration?
18:16
BAndiT1983
you could supply real data to them, from file
18:16
BAndiT1983
just a new unit test or so, as starting bigger applications can become rather tedious, when it should be done multiple times
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RexOrCine
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21:14
TofuLynx
I will be leaving for today... See you tomorrow!
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