For more information, do take a look at Wikipedia Advanced Vector Extensions for more information.
Centos OS / RH OS
Linux Kernel must be 2.6.30 and above. CentOS 6.2 and later will have full support for AVX. See PGI Forum discussion ). Do upgrade the OS
Intel Compilers
From the Wikipedia, Intel Compiler version 11.1 onwards support AVXIt is recommended to use icc version 12.1.8 to make it work. You may want to take a look at StackOverflow Forum
GNU Compilers:
From the Wikipedia, GNU Compilers 4.6 and above.
Hardware
Sandy Bridge processor, Q1 2011[12]
Sandy Bridge E processor, Q4 2011[13]
Ivy Bridge processor, Q1 2012
Ivy Bridge E processor, Q3 2013
Haswell processor, Q2 2013.
Broadwell processor, 2014.
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