Johnny Billquist <bqt%softjar.se@localhost> writes: > With rotating rust, the order of operations can make a huge difference > in speed. With SSDs you don't have those seek times to begin with, so > I would expect the gains to be marginal. For reordering, I agree with you, but the SSD speeds are so high that pipeling is probably necessary to keep the SSD from stalling due to not having enough data to write. So this could help move from 300 MB/s (that I am seeing) to 550 MB/s.
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