On 2018-11-04 5:44 a.m., Sitsofe Wheeler wrote: > Looks like someone is referencing an fio benchmark result on Apple's > Mac Mini page and whoever did it took care to respect the Moral > License (https://fio.readthedocs.io/en/latest/fio_doc.html#moral-license > ). From https://www.apple.com/mac-mini/ : > > "4. Testing conducted by Apple in October 2018 using preproduction > 3.2GHz 6-core Intel Core i7-based Mac mini systems with 64GB of RAM > and 1TB SSD, and shipping 3.0GHz dual-core Intel Core i7-based Mac > mini systems with 16GB of RAM and 1TB SSD. Tested with FIO 3.8, 1024KB > request size, 150GB test file and IO depth=8. Performance tests are > conducted using specific computer systems and reflect the approximate > performance of Mac mini." > > My only question is: as the depth was 8 were they using the posixaio engine? > The foot note number 4 supports this claim: "Up to 4X faster read speed" It would make sense to use asynchronous I/O since ioengine=psync is the default on Mac.
