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| 05:30 | Bertl_oO | off to bed now ... have a good one everyone!
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| 10:55 | rohan_ | hey BAndiT11983
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| 10:58 | rohan_ | why are the function in Adapter/IAdapter.h defined as pure virtual functions?
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| 10:59 | rohan_ | would we not be declaring them at all in the future?
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| 11:04 | rohan_ | hey se6astian
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| 13:22 | Bertl_zZ | changed nick to: Bertl
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| 13:22 | Bertl | morning folks!
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| 13:56 | anuejn | morning :)
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| 14:11 | se6astian | great to see progress on firmware usb front!
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| 14:11 | se6astian | well done
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| 14:13 | se6astian | beside gabe the community effort wasn't that great after the call to action via email unfortunately...
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| 14:16 | anuejn | well there was someone contributing a patch
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| 14:16 | Bertl | probably related to the fact that there are not many developers among the Early Beta owners
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| 14:16 | anuejn | yup
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| 14:16 | vup2 | the guys contributing fixing the path's are gsoc's studendts
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| 14:16 | vup2 | *people
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| 14:16 | se6astian | gsoc helped a bit definitely, great to see activity from students!
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| 14:17 | anuejn | but i can see a trend of people slowly starting to contribute small things
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| 14:17 | anuejn | which is nice
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| 14:19 | vup2 | yes i think putting the issues and the current development stuff on github help a bit
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| 14:23 | anuejn | we might also want to host the builds of the other branches somewhere
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| 14:24 | anuejn | so that people could easily test these for us
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| 14:25 | Bertl | btw, any clues about the slow SD card yet?
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| 14:25 | anuejn | something like https://builds.magiclantern.fm/experiments.html
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| 14:26 | anuejn | i havent looked into it yet... vup?
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| 14:26 | vup2 | not yet
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| 14:26 | vup2 | i'll try to take a look today
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| 14:26 | Bertl | great! thanks!
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| 14:26 | vup2 | however i don't know for certain if i have a fast enough sdcard available to properly testit
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| 14:31 | Bertl | any UHS 1 or class 10 SD card should have fast enough read speeds to go over the current limit
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| 14:32 | vup2 | well at the moment i am using a class 6 SD card ;)
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| 14:32 | vup2 | but i have some more lying around
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| 14:59 | vup2 | Bertl: what read speeds were you getting?
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| 15:00 | vup2 | and expecting?
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| 15:01 | vup2 | btw irc log are broken for https
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| 15:02 | Bertl | consistently half of the expected maximum ... and yes, IRC logs are from a time when https was an emerging technology :)
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| 15:03 | vup2 | ok found it in the logs
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| 15:03 | vup2 | so i am getting about 19-20 MB/s
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| 15:04 | Bertl | that would be an improvement
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| 15:04 | vup2 | which is a bit lower then maximum (and what i am getting with the same SD card on my laptop: 24 MB/s)
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| 15:04 | vup2 | but the thing is i didn't change anything
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| 15:04 | Bertl | very strange
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| 15:04 | Bertl | how do you test?
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| 15:04 | vup2 | also at that speed dd is taking about 50% cpu time
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| 15:05 | vup2 | just dd if=/dev/mmcblk0 of=/dev/null status=progress
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| 15:05 | Bertl | did you flush the caches before?
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| 15:05 | Bertl | alternatively use direct I/O
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| 15:06 | vup2 | yes did flush caches before
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| 15:07 | Bertl | so that is with the latest SD image?
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| 15:08 | vup2 | somewhat latest
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| 15:08 | vup2 | ok so with direct io i am getting a consistent 17.3 MB/s
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| 15:09 | vup2 | not sure why that is lower then with dropping caches and normal io
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| 15:09 | vup2 | also that matches what a simple ` pv /dev/mmcblk0 > /dev/null` gets
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| 15:26 | vup2 | Bertl: ok so i definitely found the may to change the frequency and it is definitely is at 50MHz
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| 15:27 | vup2 | that gets about 16.5 to 17 MB/s
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| 15:29 | vup2 | (not sure if that would be better with a better SD card, but this SD card gets >23MB/s with my laptop)
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| 15:30 | Bertl | well, it looks definitely better than my tests
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| 15:30 | vup2 | and not using direct io (but dropping caches before a test) gets about 19 to 20MB/s which matches what xilinx found in their benchmarks
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| 15:30 | vup2 | on which kernel version are you on?
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| 15:31 | vup2 | some time ago we updated to 4.20 (that was together with fixing QSPI)
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| 15:31 | Bertl | ah, that was probably after my testing
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| 15:32 | vup2 | ok maybe try a newer version then
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| 16:01 | Bertl | will do, care to paste a link to the latest version?
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| 16:23 | vup2 | you can find them here https://github.com/apertus-open-source-cinema/axiom-beta-firmware/releases
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| 16:23 | vup2 | the newest one being https://github.com/apertus-open-source-cinema/axiom-beta-firmware/releases/download/nightly%2F1d7e001d/axiom-beta-1d7e001d.img.xz
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| 19:48 | BAndiT1983 | rohan_, this class is an interface and pure virtual functions are used, as there is no keyword in C++ for, like in C# or Java
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| 19:49 | BAndiT1983 | every interface class has I as prefix for the name
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| 21:52 | Bertl | off to bed now ... have a good one everyone!
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