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#apertus IRC Channel Logs

2018/07/18

Timezone: UTC


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Bertl_oO
off to bed now ... have a good one everyone!
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08:41
aleb
How is http://vanitas.apertus.org/ going?
08:44
se6astian
hi aleb, http://vanitas.picoux.be/ is the current website
08:44
se6astian
did you find any page still linking to http://vanitas.apertus.org/ ?
08:44
aleb
yes in the Projects page on the Apertus website
08:45
se6astian
ah, good call
08:45
se6astian
I will fix that
08:46
aleb
The movie seems finished. Where can I watch it?
08:46
se6astian
it is
08:46
se6astian
its not online
08:47
se6astian
it was in cinemas and a few film festivals
08:47
aleb
Was it shot on Apertus cameras?
08:48
se6astian
but if you contact oscar maybe he can arrange something for you
08:48
se6astian
no it was not shot on an axiom camera, it was not ready at the time
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Bertl_zZ
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Bertl
morning folks!
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Bertl
off for now ... bbl
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Bertl
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18:10
BAndiT1983
supragya_: you there?
18:52
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TofuLynx
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18:58
BAndiT1983
hi TofuLynx
18:59
TofuLynx
Hello!
18:59
TofuLynx
Just saw the chat
19:00
TofuLynx
I don't remember how fast is the downscaler
19:00
TofuLynx
but considering the loops there, I think it would greatly benefit from OMP
19:05
BAndiT1983
worth a try maybe
19:05
TofuLynx
If you wish, I can benchmark it right now
19:09
BAndiT1983
just if you have time
19:09
BAndiT1983
what's the latest state with OCL and where do you need help?
19:13
TofuLynx
Basically, as I said yesterday, I am having issues loading an OCimage into a image object and loading a OCimage from a image object. Basically, I wanted to make it create an image object of the image's red channel - which I used a method which supposedly should copy the host memory (aka the OCimage red channel) into the device memory.
19:14
BAndiT1983
alright, i will start my vm again and try to build, it failed yesterday big
19:14
TofuLynx
However, when I load the image back from the device, it gives me issues, sometimes it's a image full of zeros or in other tries it's a null pointer
19:15
TofuLynx
So I dont know where is the bug, if the bug is when creating the image object or when loading from it.
19:16
TofuLynx
there is other method for creating the image object, which is creating an empty image in an allocated memory, and then use enqueueWrite to copy from the redChannel into the image object
19:17
TofuLynx
However, I havent tried it yet, as supposedly it's more efficient and easier to just copy using the clCreateImage method
19:32
BAndiT1983
hm, OCL test stops at the init for me, i will slim the application down, so it starts the test right away
19:34
TofuLynx
Oh Yeah
19:34
TofuLynx
It's using only GPU
19:35
TofuLynx
you can replace CL_DEVICE_TYPE_GPU
19:35
TofuLynx
with this: CL_DEVICE_TYPE_ALL
19:35
BAndiT1983
i know, changed it on my machine yesterday
19:35
TofuLynx
oh okay
19:38
BAndiT1983
somehow ncurse5 lib is broken in arch, which is blocking ocl ICD, but it's not telling you that, just segfault when calling clinfo
19:40
BAndiT1983
not the lib itself is borken, but the PGP key to install it
19:40
BAndiT1983
*broken
19:44
TofuLynx
oh okay, so it's an issue with your VM?
20:08
BAndiT1983
it worked before, will switch to beignet package, at least it offers 1.2, maybe 2.0 on my i7-7700
20:27
BAndiT1983
TofuLynx: have you tried simple passing of data to kernel before using image objects?
20:38
TofuLynx
BAndiT1983: No. I am just using image objects before using kernels, so at least I know that I have some data to work with kernels
20:39
BAndiT1983
and have you tried with other data objects first?
20:39
TofuLynx
None so far, There are buffers, but they should be essentially the same way
20:40
BAndiT1983
approach the problem step by step, so you know the pitfalls beforehand
20:40
TofuLynx
I think the next step is setting up the image objects
20:40
TofuLynx
I don't think there is anything before that that is missing
20:41
TofuLynx
basically, image objects are the next step in the pipeline
20:42
BAndiT1983
maybe, but you should try to work with simple arrays in ocl, to learn how to allocate memory and where
20:42
TofuLynx
Hmmm
20:43
TofuLynx
Okk, I will see it then!
20:44
BAndiT1983
have i sent you this tutorial already? -> https://www.eriksmistad.no/gaussian-blur-using-opencl-and-the-built-in-images-textures/
20:44
TofuLynx
Yup!
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se6astian
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