Hi, This is out topic lua development, but may be interesting to know.Intel software (tools, libraries, compilers, etc), only perform optimal with Intel chips! Thay can detect non-intel chips and disable intentional any faster or better feature.
See all in http://www.agner.org/optimize/blog/read.php?i=49 and http://software.intel.com/en-us/articles/optimization-notice/#opt-en Best regards, Ranier Vilela