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Re:Need Something Sorted? Sleep on It by david_allison on Monday May 24, 2021 @10:40PM (#27272075)
Let's do better.

You can find the largest element in a list in O(1) time with n^2 processors[0]*.

Division of the list by that number is O(1) with n processors

Therefore the operation is O(1)

[0]* on a CRCW PRAM https://www.cpp.edu/~gsyoung/CS535/CS535Notes/Part2PRAM.pdf#...

Re:Need Something Sorted? Sleep on It by lupire on Tuesday May 25, 2021 @02:39PM (#27280577)
You're ignoring communication overhead.