[FFmpeg-trac] #10248(ffmpeg:new): large filtergraph yields abysmal performance

FFmpeg trac at avcodec.org
Sat Mar 11 05:25:51 EET 2023

#10248: large filtergraph yields abysmal performance
             Reporter:  mldwrp       |                    Owner:  (none)
                 Type:  enhancement  |                   Status:  new
             Priority:  important    |                Component:  ffmpeg
              Version:  4.3.5        |               Resolution:
             Keywords:               |               Blocked By:
  performance, filter_complex,       |
  filters                            |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
Comment (by mldwrp):

 p.p.s. Why I think it's something that should be fairly easy to fix, and
 not a general performance issue: I've given the process an overpowered
 runtime, and it didn't seem CPU, memory or I/O bound — except for one core
 going at 100% — so, it looked like some control plane sync hotspot bug to
Ticket URL: <https://trac.ffmpeg.org/ticket/10248#comment:1>
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