The hyperthreading tag has no wiki summary.
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Hyperthreading not detected by Linux (now solved)
Problem solved!
After speaking to Dell's support they realized that I had to remove the option acpi=off from my /boot/grub/menu.1st config file. Apparently ACPI support is essential for ...
2
votes
1answer
434 views
Hyperthread and processors Clock, Size, and Capacity
When I enable hyperthreading, CPU size and capacity decrease to about half the non-hyperthreaded value. Since most of my processes use only two cores, should I disable hyperthreading?
lshw -C ...
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3answers
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Checking if HyperThreading is enabled or not?
How can I check if hyperthreading is enabled on a Linux machine, using a perl script to check for it?
I'm trying the following way:
dmidecode -t processor | grep HTT
Let me know if I'm on right ...
2
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1answer
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Should I disable hyperthreading when concerned about performance of single-threaded applications?
I use a i5-2410M processor, which is setup to do hyperthreading by default on my laptop. Considering that this is a 2-core processor, this means it can do 4 threads at a time. This also means that ...
3
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2answers
515 views
How to find if hyperthreading is enabled on FreeBSD
Is it possible to find out if hyperthreading is enabled within the BSD kernel of a given machine without watching the boot up sequence?
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3answers
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How can I have 400% CPU occupied on 2 cores
I understand that Σ(%CPU) ≤ logicalcores*(1+ε) (where ε is measure and rounding error). But, how can I have on a 2 core system 2 different processes, each taking 200% of CPU (as measured by htop)?
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