> -----Original Message----- > From: ffmpeg-devel <ffmpeg-devel-boun...@ffmpeg.org> On Behalf Of Fu, > Ting > Sent: 2021年1月14日 22:45 > To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org> > Subject: Re: [FFmpeg-devel] [PATCH V2] libavfilter/dnn: add batch mode for > async execution > > > > > -----Original Message----- > > From: ffmpeg-devel <ffmpeg-devel-boun...@ffmpeg.org> On Behalf Of Guo, > > Yejun > > Sent: Sunday, January 10, 2021 09:16 PM > > To: ffmpeg-devel@ffmpeg.org > > Cc: Guo, Yejun <yejun....@intel.com> > > Subject: [FFmpeg-devel] [PATCH V2] libavfilter/dnn: add batch mode for > > async execution > > > > the default number of batch_size is 1 > > > > Signed-off-by: Xie, Lin <lin....@intel.com> > > Signed-off-by: Wu Zhiwen <zhiwen...@intel.com> > > Signed-off-by: Guo, Yejun <yejun....@intel.com> > > --- > > libavfilter/dnn/dnn_backend_openvino.c | 187 > ++++++++++++++++++++----- > > libavfilter/dnn/dnn_backend_openvino.h | 1 + > > libavfilter/dnn/dnn_interface.c | 1 + > > libavfilter/dnn_interface.h | 2 + > > libavfilter/vf_dnn_processing.c | 36 ++++- > > 5 files changed, 194 insertions(+), 33 deletions(-) > > > > -- > > 2.17.1 > > Hi Yejun, > This patch works well for me. > Testing was carried on my machine, which CPU is i7-8700K 3.7Ghz and iGPU is > UHD630. > The patch was tested by using espcn super resolution model (950*540 video as > input), with async on and off. The fps increased from 11fps to 13fps (~18% up) > on CPU, from 8fps to 11fps (~37% up) on iGPU. > > On CPU with async off: > ./ffmpeg -i input_video.mp4 -vf > dnn_processing=dnn_backend=openvino:model=espcn1080p.xml:input=x:outp > ut=espcn/prediction:async=0:options=device=CPU\&batch_size=1 -y > output_video.mp4 On CPU with async on: > ./ffmpeg -i input_video.mp4 -vf > dnn_processing=dnn_backend=openvino:model=espcn1080p.xml:input=x:outp > ut=espcn/prediction:async=1:options=device=CPU\&batch_size=2 -y > output_video.mp4 > > On GPU with async off: > ./ffmpeg -i input_video.mp4 -vf > dnn_processing=dnn_backend=openvino:model=espcn1080p.xml:input=x:outp > ut=espcn/prediction:async=0:options=device=GPU\&batch_size=1 -y > output_video.mp4 On GPU with async on: > ./ffmpeg -i input_video.mp4 -vf > dnn_processing=dnn_backend=openvino:model=espcn1080p.xml:input=x:outp > ut=espcn/prediction:async=1:options=device=GPU\&batch_size=2 -y > output_video.mp4 > thanks Ting for the test, will push soon. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
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