>
> Ok then your mask 0xffffffff,0xffffffff,,,0xffffffff,0xffffffff
> corresponds exactly to NUMA node 0 (socket 0). Object cpusets can be
> displayed on the command-line with "lstopo --cpuset" or "hwloc-calc numa:0".
>
> This would be OK if you're only spawning threads to the first socket. Do
> you see the same mask for threads on the other socket?
>
Yes, I do.

Mike

Am Mi., 2. März 2022 um 09:53 Uhr schrieb Brice Goglin <
brice.gog...@inria.fr>:

> Le 02/03/2022 à 09:39, Mike a écrit :
>
> Hello,
>
> Please run "lstopo -.synthetic" to compress the output a lot. I will be
>> able to reuse it from here and understand your binding mask.
>>
> Package:2 [NUMANode(memory=270369247232)] L3Cache:8(size=33554432)
> L2Cache:8(size=524288) L1dCache:1(size=32768) L1iCache:1(size=32768) Core:1
> PU:2(indexes=2*128:1*2)
>
>
> Ok then your mask 0xffffffff,0xffffffff,,,0xffffffff,0xffffffff
> corresponds exactly to NUMA node 0 (socket 0). Object cpusets can be
> displayed on the command-line with "lstopo --cpuset" or "hwloc-calc numa:0".
>
> This would be OK if you're only spawning threads to the first socket. Do
> you see the same mask for threads on the other socket?
>
> Brice
>
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