numa_affinity.h File Reference

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Functions
int	setNumaAffinityNVML (int deviceid)

Function Documentation

setNumaAffinityNVML()

int setNumaAffinityNVML

(

int

deviceid

)

sets the cpu affinity of the calling process to the affinity mask reported by nvidia-smi topo Note that older driver versions might pin all mpi ranks to the same single conre instead of a range

Parameters

deviceid

gpu to determine affinity for

Returns

0 if numa affinity was set

Definition at line 15 of file numa_affinity.cpp.

References device, printfQuda, and warningQuda.

Referenced by initQudaDevice().

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