Translations:Narval/21/en: Difference between revisions

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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>.
However, if you have compiled a program on a system which uses Intel processors and you have used one or more options like <tt>-xXXXX</tt>, such as <tt>-xCORE-AVX2</tt>, the compiled program will not work on Narval because the Intel compilers add additional instructions in order to verify that processor used is an Intel product. On Narval, the options <tt>-xHOST</tt> and <tt>-march=native</tt> are equivalent to <tt>-march=pentium</tt> (the old 1993 Pentium) and should <b>not</b> be used.

Latest revision as of 15:43, 17 November 2022

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Par contre, si vous avez compilé un code sur un système utilisant des processeurs Intel et que vous avez utilisé une ou des options <tt>-xXXXX</tt>, telle que <tt>-xCORE-AVX2</tt>, les applications compilées ne fonctionneront pas sur Narval, car les compilateurs Intel ajoutent des instructions supplémentaires pour vérifier que le processeur utilisé est un produit Intel. Sur Narval, les options <tt>-xHOST</tt> et <tt>-march=native</tt> sont équivalentes à <tt>-march=pentium</tt> (l'ancien Pentium de 1993) et ne devraient <b>pas</b> être utilisés.

However, if you have compiled a program on a system which uses Intel processors and you have used one or more options like -xXXXX, such as -xCORE-AVX2, the compiled program will not work on Narval because the Intel compilers add additional instructions in order to verify that processor used is an Intel product. On Narval, the options -xHOST and -march=native are equivalent to -march=pentium (the old 1993 Pentium) and should not be used.

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