very interesting ;) i have a gtx960. I'm thinking in do some test. Only one thing, what is a k10? thanks!
> El 15 feb 2016, a las 2:04, subscripti...@znet.ca <subscripti...@znet.ca> > escribió: > > Hello again everyone, > > This is just to note, if someone is interested, that after converting the > second GPU of my GTX690 to K10, the card started transcoding >2 channels at > once - managed to put up to 6 channels at once, full HD mpeg2 at ~18Mb/s per > channel. Now there is another problem - the card freezes the computer if I > put > 6 channels - I put a watchdog to reboot it, but this is not a solution. > Theoretically the card has to do about 16 HD channels (240 fps per GPU, 2 > GPU's), but it freezes far before. Investigating. > > Thanks, George. > >> On 2016-02-12 22:24, subscripti...@znet.ca wrote: >> Hello again, >> My problem is probably coming from the fact that the GTX690 card is >> half-converted to a K10 one; one GPU is presented as K10 while the >> other forms half GTX690. The driver is likely quite puzzled what this >> hardware is and how to drive it. So, next step is to make the GPU 0 to >> identify itself as K10, then I shall be able to continue. >> Thanks, george. >>> On 2016-02-12 22:02, subscripti...@znet.ca wrote: >>> Hello everyone, >>> Please disregard previous mail; I managed to start two channels on the >>> same GPU, however it is unreliable - first channel will start every >>> time, while second may fail or work. Investing. Just for information, >>> card is: >>> 4:00.0 3D controller: NVIDIA Corporation GK104 [GeForce GTX 690] (rev a1) >>> 04:00.1 Audio device: NVIDIA Corporation GK104 HDMI Audio Controller (rev >>> a1) >>> 05:00.0 VGA compatible controller: NVIDIA Corporation GK104GL [Tesla >>> K10] (rev a1) >>> 05:00.1 Audio device: NVIDIA Corporation GK104 HDMI Audio Controller (rev >>> a1) >>> Sorry for the noise, >>> George. >>>> On 2016-02-12 19:17, subscripti...@znet.ca wrote: >>>> Hello, >>>> I am using an GTX690 unlocked card (equivalent to double K10) to >>>> transcode live mpeg2 to h264 as here: >>>> /usr/local/bin/ffmpeg -i udp://239.255.254.2:1234?overrun_nonfatal=1 >>>> -y -c:a copy -c:v nvenc -b:v 4M -profile:v high -preset default >>>> -bufsize 8M -s hd720 -segment_list_flags live -segment_time 4 >>>> -segment_format mpeg_ts -gpu 1 -metadata title=RDI m3u/RDI/stream.m3u8 >>>> All is is fine (thanks to Moritz Barsnick from this list for help) >>>> till I transcode only one channel per gpu. If I however send a second >>>> channel to the same gpu (-gpu 1 above), the ffmpeg will refuse to >>>> start. >>>> So, my question is if there is a way to have >1 instance of ffmpeg >>>> using the same GPU at the same time? The GPU's have enough power for >>>> several channels in parallel. >>>> In /dev I have: /dev/nvidia0 /dev/nvidia1 /dev/nvidiactl /dev/nvidia-uvm >>>> Any suggestion appreciated, >>>> Thanks, George. >>>> _______________________________________________ >>>> ffmpeg-user mailing list >>>> ffmpeg-user@ffmpeg.org >>>> http://ffmpeg.org/mailman/listinfo/ffmpeg-user >>> _______________________________________________ >>> ffmpeg-user mailing list >>> ffmpeg-user@ffmpeg.org >>> http://ffmpeg.org/mailman/listinfo/ffmpeg-user >> _______________________________________________ >> ffmpeg-user mailing list >> ffmpeg-user@ffmpeg.org >> http://ffmpeg.org/mailman/listinfo/ffmpeg-user > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-user _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user
