ios - Is it safe to modify a C array concurrently in Objective-C? -


i exploring concurrent speedup on ios , getting started objective-c concurrent programming. starting simple example of grayscaling image (i know can more efficiently opengl think enough large data-set example play with).

basically going split image different quadrants , queue set of blocks each own quadrant compute. storing data in simple uint8 *imagedata; array , wondering if okay me accessing array concurrently. if not there data structure allow me this?


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