Re: Non-working CPU cores showing up
Paul M. Foster composed on 2021-11-30 02:30 (UTC-0500):
> Here's a curious thing. I have a 10th gen Intel i3 CPU with four cores.
> When I look at /proc/cpuinfo, it actually shows eight cores. There's a
> line in the output of each core which is
> cpu cores : 4
> But there are outputs for each of eight cores, numbered 0 through 7.
> Is it possible that there were eight cores on this CPU, and four of them
> were non-working (I know it's typical to have non-working cores on a
> die), and this file shows all the original cores?
> Or does someone have a better explanation?
At least one 10th gen i3 has hyperthreading, so yours probably does too.
<https://www.intel.com/content/www/us/en/products/sku/199283/intel-core-i310100-processor-6m-cache-up-to-4-30-ghz/specifications.html>
Hyperthreading typically shows up in cpuinfo as twice as many software cores as
physical cores, two threads per core.
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