"Mikhail T." <m...@aldan.algebra.com> writes: > Hello! I noticed recently, how much CPU playing a video takes... A > firefox-process, playing a modest 1080p clip (such as this > <https://www.youtube.com/watch?v=DrJY_-BIasY>) for example, will show > in top as taking between 150-160% CPU (and mine are E5-1620 0 @ > 3.60GHz), with Xorg taking /another/ 30%. If I pause the video, > CPU-usage drops down to single-digits, so it definitely is the > playback...
Try profiling e.g., "pmcstat -t firefox -P instructions -T". > If I download that same video (using youtube-dl), and give it to > mplayer, the playback will only cost about 60% CPU for the mplayer > itself -- plus 20% for the Xorg. Mplayer using the simple "x11" > video-output, nothing particularly fancy. The video card is an old > Radeon (5670/5690/5730). > > Is there a good explanation for this discrepancy? Thank you! Yours, Maybe https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=203732 _______________________________________________ freebsd-gecko@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-gecko To unsubscribe, send any mail to "freebsd-gecko-unsubscr...@freebsd.org"
