Under Win7, a large amount of data files in Py are faster through mmap or faster than direct_io.

is there a ready-made IO library for efficient files in Py

write it yourself. It"s not convenient to append with mmap, and you have to write your own cache with direct_io. It"s best to have a ready-made library

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Dec.20,2021

mmap, with the help of memory mapping

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