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From: User Wojtek <wojtek@wojtek.tensor.gdynia.pl>
To: Matthias Apitz <guru@unixarea.de>
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Cc: freebsd-hackers@freebsd.org, Dimitry Andric <dim@freebsd.org>
Subject: Re: proper newfs options for SSD disk
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what is really bad in SSD is that they are not flash chips interfaced to 
computer (so flash-designed filesystem could be written) but complex hard 
drive emulators. But this way they could sell this to windows users.
>
> https://lwn.net/Articles/428584/

seems like i have it right.
i use noatime ALWAYS no matter if it is real disk or emulated in flash 
memory.