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2018 Feb 11
7
[Bug 13266] New: Writing of files to Apple's new "AP" controller model SSD's takes 4x longer.
...pple with their own controller) my 2017 MacBook Pro that doesn't
show this poor performance has an "SM" model (Samsung).
The only consistent thing on all the systems showing this 4x slower speed with
rsync is that they have AP model SSDs. The MacBook Pro has AP0512J, the iMac
Pro has AP1024M.
My MacBook Pro which works fine and was made just after the refresh is SM1024L.
So I assume Apple has quietly changed to the AP drives (and controller?) in
recent weeks for the MacBook Pro (some "SM" are still coming through which work
fine with rsync) and of course the iMac Pro is ship...