What is a thread? (On a CPU)


  1. Posts : 795
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       #1

    What is a thread? (On a CPU)


    I've always wanted to know exactly what a thread is. How does a thread differ from a core? Answer in anyway you want, even if it's a link to a webpage that explains it :)
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  2. Posts : 6,349
    Windows7 Pro 64bit SP-1; Windows XP Pro 32bit
       #2
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  3. Posts : 795
    10 Home x64
    Thread Starter
       #3

    So, it's like a core multiplier? What about standard threads; Not Hyper-Threading?
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  4. Posts : 6,349
    Windows7 Pro 64bit SP-1; Windows XP Pro 32bit
       #4

    One way action. I'll see if I can find more info.

    I know there is more I read a bunch of it a few years ago.

    Be back soon.

    Hyper-threading - Wikipedia, the free encyclopedia


    Also a big list of articles.
    how hyperthreading works - Google Search

    How a CPU works articles.
    http://www.google.com/search?q=how+a...rlz=1I7ADSA_en
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  5. Posts : 14,606
    Microsoft Windows 7 Home Premium 64-bit 7600
       #5

    This is thread

    What is a thread? (On a CPU)-2011-11-04_2351.png

    this is a core

    What is a thread? (On a CPU)-apple-core.jpg

    well you did say answer it however we want
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  6. mjf
    Posts : 5,969
    Windows 7x64 Home Premium SP1
       #6

    MadSupra354 said:
    I've always wanted to know exactly what a thread is. How does a thread differ from a core? Answer in anyway you want, even if it's a link to a webpage that explains it :)
    I think this is an interesting question that I only have a rough idea about
    It prompted me to try and learn a bit more.
    After a bit of instant expert googling I think:

    A thread is primarily a software concept - part of some code running in a time slice.
    A core is the hardware element representing a CPU (dual core = 2 cpus)
    When core is designed to specifically handle multiple threads you get what I think are hardware threads.

    For an i7 you have 4 cores/CPUs. Each core has 2 hardware threads giving a total of 8 hardware threads.
    on Processors, Cores and Hardware threads – Blogs - Intel® Software Network

    Thread simple description:
    Thread Definition
    A bit more complicated:
    Thread (computer science) - Wikipedia, the free encyclopedia
    For Computer Science nuts:
    http://www.google.com/url?sa=t&rct=j...CQdt4g&cad=rja
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