Why Google Pixel lags 10x more than Moto Z
In my previous post I made an argument that a modern phone is only as fast as the slowest component: ability of NAND to handle 4k writes. I decided to compare two Android flagships on the opposite ends of random-write-4k benchmark spectrum: Moto Z vs Google Pixel. I wrote a little fio benchmark driver to fill all available device storage with random 4k writes, print perf stats along the way. Idea
Laggy phones and misleading benchmarks
TLDR: You can predict degree of unresponsiveness of a phone via random-write-4k benchmarks. I wish review websites would fill phones to 80-90% prior to running the benchmark, especially on smaller-capacity phones where users are more likely to run out of space. SQLite vs Phone NAND I’ve long held a theory that Android lag is almost directly determined by slowness induced by SQLite transactions. Th
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