Linux Kernel Network Subsystem Patching

[Bob Jonkman]

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Is there a difference between hyperthreading and multithreading?

(Not a snark -- I really don't know, and would like to...)

- --Bob



On 14-01-21 04:08 PM, Lennart Sorensen wrote:
> On Sat, Jan 11, 2014 at 09:28:38PM -0500, Mel Wilson wrote:
>> Or worse.  The system here is an MSI motherboard G41M-P26.  From
>> the day I got it, under load (large compiles, for instance), it
>> would eventually lock up.  ISTR I needed to cycle power to get it
>> down.  Resource monitor would show "both" processors pinned at
>> 100%.  When I'd hunted the web and found out what Hyperthreading
>> was, and turned it off, the machine got stable, and has been ever
>> since.
> 
> Code that dead locks because the coder didn't know how to do 
> multithreading properly is not hyperthreading's fault.
> Hyperthreading just makes it MUCH easier to hit such a deadlock if
> the code is wrong to begin with.  Any multi processor system would
> increase the chances of hitting such bugs.
> 
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