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JRVR Performance on NUC12 Pro

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Hendrik:
How badly does the NUC12 fare? I would hope without tricubic interpolation it might work.

jmone:
Good idea!  I'll give turning that off a go and report back (but they are watching TV at present!).  I just did a quick test with UHD 50fps and while JRVR was reporting sub 20ms on average it was dropping say 10-20 frames per second in big lumps.  I'll also see how it goes with std 23.976 material.  If that works, I'll setup some profiles :) 

jmone:
Got a quick test in on one UHD 23.976.  Max rendering sits around 36ms and it drops the occasional frame regardless of if tricubic is on or off (it was off by default).  I might be able to tune some of the scalling settings to eke out the odd ms reduction.  Turning off HDR Peak Detection saves about 5+ms (Max sits around 29ms but spikes to around 36ms as well but did not drop frames on that quick test).  I should get some time to see what I can dial in on the NUC12 tmr.  Off to look at the PJ now.

haasn:

--- Quote from: jmone on July 04, 2023, 03:57:38 am ---Got a quick test in on one UHD 23.976.  Max rendering sits around 36ms and it drops the occasional frame regardless of if tricubic is on or off (it was off by default).  I might be able to tune some of the scalling settings to eke out the odd ms reduction.  Turning off HDR Peak Detection saves about 5+ms (Max sits around 29ms but spikes to around 36ms as well but did not drop frames on that quick test).  I should get some time to see what I can dial in on the NUC12 tmr.  Off to look at the PJ now.

--- End quote ---

Can you give me a breakdown of where those 36ms are being spent? Maybe we can optimize some low-hanging fruit. I currently only optimize for AMD because that's the only GPU I have in my development rig, unfortunately. Normally AMD and Nvidia are close enough in perf that it doesn't make a difference, but maybe Intel needs some special treatment.

5ms for peak detection sounds rough. Maybe disabling the histogram would help with that? (@Hendrik can you add an option for this?)

Hendrik:
Testing has shown that the histogram is making it slow. Some work is underway to investigate.

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