What CPU are you using? It's presumably going to vary wildly from one CPU to another?
> On 1 Sep 2016, at 08:52, Ali KIZIL <aliki...@gmail.com> wrote: > > Hi all, > > I tested P010LE pixel convertion from YUV420P in NVENC Main 10 HEVC UHD 50 > fps encoding on Nvidia Pascal Titan X GPU: > > Nvidia Pascal Titan X GPU can not reach to 50 fps on Main 10 P010LE HEVC > encoding: > > ffmpeg -loglevel verbose -i > /media/usb1/4k_sampels/Samsung_SUHD_Picture_Quality\ Demo_Nano_Crystal\ > Display_UK-Version.mp4 -c:v:0 nvenc_hevc -preset hp -cbr 1 -2pass 0 -r 50 > -vb 28000k -minrate 28000k -maxrate 28000k -bufsize 28000k -muxrate 30000k > -c:a:0 aac -b:a:0 192k -pix_fmt p010le 'udp://233.33.33.1:5001' > > FPS waves around 41-43 fps. If same command with YUV420P, it reaches to 120 > - 130 fps. > > GPU NVENC Load: > nvidia-smi dmon -i 0 > gpu pwr temp sm mem enc dec mclk pclkIdx W C % % % % MHz MHz > > 0 81 67 9 2 41 0 4513 1809 > 0 80 66 9 2 41 0 4513 1809 > 0 81 67 9 2 42 0 4513 1809 > 0 80 67 10 2 41 0 4513 1809 > 0 81 67 9 2 44 0 4513 1809 > > I think bottleneck is not at GPU side, pixel convertion maybe needs speed > up improvement. > > > If codec changed to rawvideo to test pixel format convertion performance > testing, FPS again waves around 39-40 fps > > > I wanted to state these test reults. > > > Kind Regards, > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
