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Activate Hyper-Threading (or not)?
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Topic: Activate Hyper-Threading (or not)? (Read 7915 times)
phoenix
Hero Member
Posts: 545
Karma: 58
Activate Hyper-Threading (or not)?
«
on:
June 02, 2016, 03:06:14 pm »
I've recently installed OPNsense on a new piece of kit that has a dual core i7-4560u processor and hyper-threading. I've read various posts/threads/blogs on the internet (mostly older ones) that advise against using hyper-threading but they've been mostly in relation to running freeBSD in a VM, there have also been some comments that it doesn't make any difference whether it's activated or not - what's the current thoughts on this? FWIW, I do have it activated and there seems to be no problems that I can see, the system is lightly loaded and download/upload speeds seem good. I do have a m inor niggle with the onboard NICs but that's for another thread.
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Regards
Bill
weust
Hero Member
Posts: 650
Karma: 57
Re: Activate Hyper-Threading (or not)?
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Reply #1 on:
June 03, 2016, 05:44:59 pm »
That information is indeed very old.
As far as I know the old information is no longer valid.
As an example: with Hyper-V 2008 you didn't want HT enabled. With 2008 R2 it was fixed, and I never experienced any problems in the 3 or 4 years that ran it.
Of course, FreeBSD being FreeBSD and not exactly fast when it comes to current hardware, this might differ.
But I really doubt it would still be an issue.
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Hobbyist at home, sysadmin at work. Sometimes the first is mixed with the second.
phoenix
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Posts: 545
Karma: 58
Re: Activate Hyper-Threading (or not)?
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Reply #2 on:
June 03, 2016, 06:28:14 pm »
Thanks for your reply. Some of the information was only about 18 months old, hence my question here. I do have hyper-threading enabled on this hardware and I did when I was using pfsense and more recently OPNsense in a VM and didn't see any problems with either of those. In the short time I've been running this new hardware there's nothing untoward happening but I do like some confirmation once in a while.
Thanks again.
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Bill
weust
Hero Member
Posts: 650
Karma: 57
Re: Activate Hyper-Threading (or not)?
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Reply #3 on:
June 03, 2016, 08:54:26 pm »
You're welcome 🙂
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Hobbyist at home, sysadmin at work. Sometimes the first is mixed with the second.
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Activate Hyper-Threading (or not)?