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Re:Facebook open sources Haxl by Touche on Tuesday June 10, 2014 @03:20PM (#7874718)
I'm confused, Haxl is an open source library, right? So what are you using Haxl for at facebook?
Re:Facebook open sources Haxl by nbm on Tuesday June 10, 2014 @03:51PM (#7874881)
The blog post - https://code.facebook.com/posts/302060973291128/open-sourcin... - describes the initial usage - to assist the Sigma system in answering questions like "Is this content spam?".

Some background on that system, including the FXL component that Haxl replaces, is here: http://research.microsoft.com/en-us/projects/ldg/a10-stein.p...