Comment # 10
on bug 71448
from Vadim Girlin
This is probably related to dpm and gpu clocks - if I run "vblank_mode=0 glxgears" in parallel with the benchmark the results are significantly better for me: w/o gears: MPEG DECODING (1920x1080): 13 frames/s MPEG DECODING (1280x720): 13 frames/s H264 DECODING (1920x1080): 12 frames/s H264 DECODING (1280x720): 13 frames/s with gears: MPEG DECODING (1920x1080): 77 frames/s MPEG DECODING (1280x720): 118 frames/s H264 DECODING (1920x1080): 51 frames/s H264 DECODING (1280x720): 92 frames/s (In reply to comment #6) > *Anyway* when I did run the attached benchmark I forced dpm to "high" before > starting. Setting power_dpm_force_performance_level to "high" doesn't really work for me in this case - AFAICS the driver resets it back to "auto" when the benchmark starts, probably when switching to uvd state.
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