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Opt-in pacing switches for the iPhone judder: DM_PCORE, DM_RT60, DM_ITV_LATCH (not fully tested) - #1713

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oliverames:mkw-pacing-optins

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Opt-in pacing switches for the iPhone judder: DM_PCORE, DM_RT60, DM_ITV_LATCH (not fully tested)#1713
oliverames wants to merge 3 commits into
seedds:mainfrom
oliverames:mkw-pacing-optins

Commits on Nov 10, 2026
- DM_PCORE=1 (opt-in): the busiest guest threads get a time-constraint declaration, to keep them on the performance cores
  Oliver Ames
  committed
  abbcbc9
- DM_RT60=1 (opt-in): the scheduler declaration keeps the base vsync period when the game flips its present interval
  Oliver Ames
  committed
  c25475c
- DM_ITV_LATCH=1 (opt-in): hold present interval 2 while the game oscillates between 1 and 2
  Oliver Ames
  committed
  5da0a12