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by moonlander 3476 days ago
But the author fails to prove that fsync() is in any way the bottleneck for common I/O operations in everyday use of a smartphone.
1 comments

Was that the hypothesis the author was trying to prove? Because I don't believe it was.
The title is literally "Why [the] Google Pixel lags 10x more than [the] Moto Z". If he doesn't show that fsync(3) is the gating factor, then the fact that the Moto Z nops out fsync doesn't mean that much.