Comparing OpenACC compilers

I was wondering if the alternative compilers to PGI would work on the jetson tk1?

I was reading these 2 articles, but I am still unsure of which one I should use…

http://scelementary.com/2015/04/30/openacc-on-jetson-tk1.html

http://scelementary.com/2015/05/19/openacc-on-jetson-tk1-2-ipmacc-compiler.html