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(Created page with "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 I...") |
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=AMD processors= | =AMD processors= | ||
== Supported instructions sets == | == Supported instructions sets == | ||
Narval is equiped with 2nd and 3rd generation AMD EPYC processors which support [https://fr.wikipedia.org/wiki/Advanced_Vector_Extensions#Advanced_Vector_Extensions_2 AVX2 instructions]. This instruction set is identical to the one used by INTEL processors on the [[Béluga/en#Node_characteristics|Béluga]], [[Cedar#Node_characteristics|Cedar]], [[Graham#Node_characteristics|Graham]] et [[Niagara#Node_characteristics|Niagara]] nodes. The Narval AMD processors and the Intel processors of the [https://fr.wikipedia.org/wiki/Haswell_(microarchitecture) Haswell] generation are both restricted to the older AVX2 instructions. As such, applications compiled on a [[Cedarr#Node_characteristics|Cedar]] or [[Graham#Node_characteristics|Graham]] Broadwell node should function on Narval, otherwise you will need to recompile with the appropriate architecture parameters (see ''Intel | Narval is equiped with 2nd and 3rd generation AMD EPYC processors which support [https://fr.wikipedia.org/wiki/Advanced_Vector_Extensions#Advanced_Vector_Extensions_2 AVX2 instructions]. This instruction set is identical to the one used by INTEL processors on the [[Béluga/en#Node_characteristics|Béluga]], [[Cedar#Node_characteristics|Cedar]], [[Graham#Node_characteristics|Graham]] et [[Niagara#Node_characteristics|Niagara]] nodes. The Narval AMD processors and the Intel processors of the [https://fr.wikipedia.org/wiki/Haswell_(microarchitecture) Haswell] generation are both restricted to the older AVX2 instructions. As such, applications compiled on a [[Cedarr#Node_characteristics|Cedar]] or [[Graham#Node_characteristics|Graham]] Broadwell node should function on Narval, otherwise you will need to recompile with the appropriate architecture parameters (see ''Intel compilers'' below). | ||
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