Translations:Narval/20/en: Difference between revisions

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Unfortunately, Narval's AMD processors are ''incompatible'' with the [https://en.wikipedia.org/wiki/AVX-512 AVX512] instruction set (from [https://en.wikipedia.org/wiki/Skylake Skylake] onwards) on the [[Béluga/en#Node_characteristics|Béluga]] and [[Niagara#Node_characteristics|Niagara]] nodes, as well as the more recent nodes on [[Cedar#Node_characteristics|Cedar]] and [[Graham#Node_characteristics|Graham]]. Consequently, applications compiled on those relatively recent Intel nodes will probably not function on Narval and recompiling will certainly be necessary (see ''Intel compilers'' below).
AVX2 is supported on nodes which have Broadwell type CPUs, while both instruction sets (AVX2 and AVX512) are on nodes with CPUs of type [https://en.wikipedia.org/wiki/Skylake Skylake] or [https://en.wikipedia.org/wiki/Cascade_Lake_(microarchitecture Cascade Lake]. Consequently, an application compiled on the Broadwell nodes of Cedar and Graham, including their login nodes, will run on Narval, but it  will not be executable if it is compiled on Béluga or Niagara or on a Skylake or Cascade Lake node of Cedar or Graham. Such an application must be recompiled (see ''Intel compilers'' below)

Latest revision as of 13:40, 24 April 2024

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AVX2 est pris en charge là où les nœuds ont des CPU de type Broadwell alors que les deux ensembles d’instructions (AVX2 et AVX512) le sont là où les CPU sont de type [https://fr.wikipedia.org/wiki/Skylake Skylake] ou [https://en.wikipedia.org/wiki/Cascade_Lake_(microarchitecture Cascade Lake]. Par conséquent, une application compilée dans un nœud avec un CPU Broadwell de Cedar ou Graham, incluant leurs nœuds de connexion, pourra être exécutée sur Narval, mais ne pourra pas être exécutée si elle est compilée sur Béluga ou Niagara, ou dans un nœud Skylake ou Cascade Lake de Cedar ou Graham. Dans ce dernier cas, l’application devra être recompilée (voir ''Compilateurs Intel'' ci-dessous).

AVX2 is supported on nodes which have Broadwell type CPUs, while both instruction sets (AVX2 and AVX512) are on nodes with CPUs of type Skylake or Cascade Lake. Consequently, an application compiled on the Broadwell nodes of Cedar and Graham, including their login nodes, will run on Narval, but it will not be executable if it is compiled on Béluga or Niagara or on a Skylake or Cascade Lake node of Cedar or Graham. Such an application must be recompiled (see Intel compilers below)

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