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That doesn't make a whole lot of sense when the guy above you posted that two versions of python (2 vs 3) have significantly different output throughput rates.

If it's I/O bound why are they changing at all?



It is I/O bound, but Python 2 and 3 do I/O differently. From the same comment that you're referring to:

> Python 2 emits writes of 4096 bytes, and python 3... 8193 bytes (edit: not a typo, this is 8KiB + 1).


>If it's I/O bound why are they changing at all?

Who said I/O functions didn't change between Python2 and Python3?




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