ios - Why using CADisplayLink result in more jerk than using NSTimer? -


i don't understand, when use cadisplaylink see more jerks when use nstimer 10ms interval :( see cadisplaylink selector sometime call every 32 ms instead of 16 ms. can cause , how can avoid ?

note: in cadisplaylink selector update position of texture , call setneedsdisplayinrect. maybe wrong ?


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