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Narval/en: Difference between revisions
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The Intel compilers can compile applications for Narval's AMD processors with AVX2 and earlier instruction sets. Use the <tt>-march=core-avx2</tt> option to produce executables which are compatible with both Intel and AMD processors. | The Intel compilers can compile applications for Narval's AMD processors with AVX2 and earlier instruction sets. Use the <tt>-march=core-avx2</tt> option to produce executables which are compatible with both Intel and AMD processors. | ||
However, the applications will not operate on Narval if your code was compiled on a system using one or more <tt>-xXXXX</tt> options such as <tt>-xCORE-AVX2</tt> because the Intel compilers add extra instructions to verify that the processor is by Intel. This | However, the applications will not operate on Narval if your code was compiled on a system using one or more <tt>-xXXXX</tt> options such as <tt>-xCORE-AVX2</tt> because the Intel compilers add extra instructions to verify that the processor is by Intel. This being said, the <tt>-xHOST</tt> on Narval becomes the same as <tt>-march=core-avx2</tt>. | ||
==Software environments== | ==Software environments== | ||