Came across an incredible photo series of their dataserver. http://photos.imgix.com/building-a-graphics-card-for-the-int...

> Apple’s operating system offers numerous advantages over other platforms when it comes to image processing, and it is also favored by many designers for the same reasons. imgix has written tools which allow us to leverage these strengths with our service, using OS X for image operations where it provides superior quality and performance.

What advantages? If you're running these as headless servers, then what advantages does OSX possibly provide over cheaper, more powerful Linux boxes using e.g. ImageMagick (ok, ok, not having massive remote code execution vulnerabilities is one of them).

Same thing jumped out at me--having racks of mac mini's seems like a waste

Does ImageMagick have access to GPU hardware acceleration?

Of course: http://www.imagemagick.org/script/opencl.php

Crazy.

Who in turn look like they're using fastly for their cdn judging by them sharing the exact same pops.

(Guessing they use the fastly private cdn or have some sort of deal with them considering the imgix branded cages on their blog).

https://docs.imgix.com/guides/cdn-guidelines

https://www.fastly.com/network-map