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#apertus IRC Channel Logs

2021/11/01

Timezone: UTC


04:54
illwieckz
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BAndiT1983
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vup
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felix_
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vup
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anuejn
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BAndiT1983
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dos
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tpw_rules
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06:39
Bertl
off to bed now ... have a good one everyone!
06:40
Bertl
changed nick to: Bertl_zZ
08:37
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aombk
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aombk2
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aombk
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14:43
Bertl_zZ
changed nick to: Bertl
14:43
Bertl
morning folks!
14:57
yasmin
joined the channel
16:00
se6astian
MEETING TIME, who is here?
16:00
Bertl
is here ...
16:01
yasmin
Yasmin is here
16:01
se6astian
great, yasmin how are things going on your end?
16:03
yasmin
Great actually :D
16:03
yasmin
finally the installation problem was solved
16:03
yasmin
and i will deliver my first task to betrl today
16:03
se6astian
very good, wat was your first task?
16:04
yasmin
i will do the fpga flow for a code and return the results and the schematics for Betrl
16:05
yasmin
the code it the top module of the peripheral part if remember right
16:05
Bertl
basically updating the gateware to vivado 2021.x
16:05
yasmin
i did it before in the 2018 version and i will repeat it for the 2021 version this time
16:05
yasmin
yes :D
16:05
yasmin
2021.1
16:06
se6astian
ah, I see
16:07
se6astian
right
16:07
se6astian
anything else you want to share yasmin?
16:07
yasmin
no
16:09
se6astian
right, many thanks !
16:09
se6astian
quick updates from my side: BAndiT1983 and me worked on a raw12 viewer
16:10
se6astian
a small gui that shows image content in monochrome or color preview quickly
16:10
se6astian
today I added switching between next/previous images in same dir
16:10
se6astian
and BAndiT1983 brought loading and displaying logic to below 1 second on my rather old machine
16:10
se6astian
so quite useable already
16:11
se6astian
different zoom/decimation levels are still on the todo list
16:11
se6astian
gui elements are there already
16:11
se6astian
if you want to test it
16:11
se6astian
https://github.com/apertus-open-source-cinema/misc-tools-utilities/blob/hdmi-raw-2021/raw-via-hdmi/scripts/viewer.py
16:11
se6astian
just provide the path to a raw12 image as parameter
16:12
se6astian
here is the matching lab task: https://lab.apertus.org/T1276
16:12
se6astian
holiday today in austria so I was not in our office to complete the hdmi plugin module assembly
16:12
se6astian
but planned soon
16:12
se6astian
thats it from me, Bertl do you also have news for us?
16:13
Bertl
not much, but a few small pieces of information ...
16:13
vup
is here
16:13
Bertl
vup: got something to report?
16:13
vup
nope
16:14
Bertl
okay, so I discovered the Aluminum (Aluminium) PCB feature pooling services offer now (some of them for very cheap)
16:15
Bertl
and thought to me, that might come handy for heat sink prototyping and similar, e.g. for our below sensor heat transport
16:15
se6astian
oshpark?
16:15
Bertl
JLCPCB and MultiPCB
16:15
se6astian
ah
16:16
Bertl
I ordered some boards just for testing and it seems they are quite nice, so we can use that in the future for prototyping
16:17
Bertl
(will upload some images later, but nothing unexpected there)
16:17
cscar
joined the channel
16:17
cscar
Sorry I'm late. But hi!
16:17
Bertl
on the Magewell USB front, after se6astian got feedback about using sudo/root for the SDK examples
16:18
se6astian
yes, was about to ask about the sdk based prototype you were creating
16:18
se6astian
hi oscar!
16:18
Bertl
I did some more investigations and it turns out that we should be able to address/avoid that by using a proper udev rule for the device
16:19
Bertl
will prepare and test something in the next few days, so we should have a hash check tool which works with both, PCIe and USB devices
16:19
Bertl
that's it from my side for this week
16:20
se6astian
great, many thanks
16:20
se6astian
any news to report oscar?
16:21
cscar
Not much. The yearly tax return papers arrived today. All good.
16:22
cscar
Meaning no taxes ;)
16:23
se6astian
good :)
16:24
se6astian
right, anyone else who wants to share/report anything at the meeting?
16:27
se6astian
right then, many thanks everyone who participated! MEETING CONCLUDED
16:27
yasmin
Thank you ^^
16:27
cscar
Thanks!
16:27
vup
yasmin: are you using the ml enabled version of vivado?
16:28
cscar
left the channel
16:28
yasmin
yes ML standard
16:28
vup
interesting, did you have a chance to compare the speed to previous versions?
16:28
vup
its supposed to be a lot faster
16:29
vup
(and also the QoR is supposed to be better)
16:29
yasmin
unfortunately no but this is interesting :D
16:29
vup
hmm unfortunate
16:30
vup
seems like I need to free up some space on my ssd and try myself sometime
16:31
yasmin
:((
16:31
vup
how much space is it taking for you?
16:32
yasmin
rounf 65 or 66 GB
16:32
yasmin
round*
16:32
vup
holy shit
16:32
vup
2019.2 is only taking 19Gb and thats with the SDK
16:32
yasmin
yes its HUGE :D its installation file was 52 GB, 2018 version was less than 18 GB :D
16:33
vup
yep
16:33
vup
seems like they have gained some serious weight
16:33
Bertl
performance seems to be better, place and route didn't change too much, although it seems to benefit from repeated implementations
16:33
Bertl
there is a lot of additional stuff in the package
16:33
vup
you mean they are doing incremental pnr somehow?
16:34
Bertl
vivado has reused the previous placement results for re-runs for some time now
16:34
vup
since when?
16:34
Bertl
so if you do not scratch the data from the previous build, results will be reused
16:35
Bertl
since 2017.x or so
16:35
vup
interesting
16:35
vup
do you have any feeling for how well this works if you flatten the hierarchy?
16:35
vup
or is this more hierarchy / single module pnr based?
16:36
Bertl
it seems to work fine with a flattened hierarchy if you have 'rebuild' enabled
16:36
vup
hmm makes sense
16:36
Bertl
which helps to get meaningfull debug/schematic/simulation signals anyway
16:37
vup
well I am doing all debugging / simulation with nmigen, so I don't really care about that
16:38
vup
but this means this could reasonable work reasonable well with nmigen, as that now actually generates modules (as opposed to migen which always only generated a single huge module)
16:39
vup
s/reasonable//
16:40
Bertl
might definitely be worth a try
16:53
yasmin
left the channel
17:39
Bertl
off for now ... bbl
17:39
Bertl
changed nick to: Bertl_oO