Parallel Computing Toolbox - Limit of number of workers - R2021a

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Nassos
Nassos 2021 年 10 月 14 日
コメント済み: Raymond Norris 2022 年 4 月 29 日
Hi,
I am using Matlab R2021a along with the Parallel Computing Toolbox.
I would like to know how many cores can PCT support? For example, can it support a machine with 128 physical cores (quad processor motherboard)?
I was searching the Parallel Computing User Guide, but there wasn't any hard limit on the cores, only a note in the "Pool Size and Cluster Selection" section (p. 2-58), saying:
"A local cluster running on the client machine requires nolicensing beyond the one for Parallel Computing Toolbox. The limit on the number of workers is high enough to support the range of known desktop hardware".
So what exaclty is that limit?
Thank you in advance for your supoprt and time.
Kind regards,
Nassos

回答 (1 件)

Raymond Norris
Raymond Norris 2021 年 10 月 14 日
Based on what your stating, I'm gather it's a single motherboard, with 32 sockets, each socket with 4 physical cores. Is that right? If not, give a bit more detail about your hardware.
  • Single or multi-motherboard?
  • sockets per motherboard
  • cores per socket
  • Hyperthreading enabled/disabled
And, are you running Windows or Linux?
Lastly, what does this return
feature('numcores');
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Raymond Norris
Raymond Norris 2022 年 4 月 29 日

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