AVX platform question

AVX platform question

Dear all,
until now we were using only Westmere X5650 base machines. Now Ivy Bridge E5-2670V2 nodes arrived.

To get benefit from AVX I have to recompile the (commercial) codes with the new suitable options.

Is it necessary to compile the code directly on a AVX platform or is it possible to use older Westmere machines ? From my point of view it should no matter which platform until I use the latest Intel compiler version. Is it right ?

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