All Questions
Tagged with multi-core intel-core-i7
12
questions
4
votes
0
answers
574
views
Can I reserve one core to system only?
I have a workflow where it sometimes renders my system unresponsive or slow. I deal with that by setting affinity of such demanding apps to only a handful of cores/threads (Core i7).
Now I am looking ...
1
vote
2
answers
504
views
What does it mean [Cores 4] [Logical/Core 2]?
I saw a Processor which states: Intel(R) Core(TM) i7-10510U CPU @ 1.80GHz[Cores 4] [Logical/Core 2]
It means it has 4 cores or 2 cores and and logical? I am a bit confused about it.
1
vote
1
answer
97
views
Has CPU inter-core communication become slower?
I'd be pretty amazed if it had but maybe somebody can help me understand.
I ran SiSoft Sandra Lite 2014's 'Processor Multi-Core Efficiency' test (which returns an 'Inter-Core Bandwidth' value) on my ...
3
votes
1
answer
2k
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Hyper-Threading (SMT) Affinity and Equality
This question goes out to the Intel gurus that I know are out there. Are both threads on a physical CPU treated equally?
As we know, hyper threading on intel CPUs is a system in which each physical ...
9
votes
4
answers
23k
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Why does VirtualBox show more CPUs than available?
I have an Intel Core i7 3930K with 6 CPU cores. Now, I understand that every of that cores can handle 2 separate threads. That makes 12 virtual cores - which I can see using my system monitor (see ...
1
vote
1
answer
555
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6-core Sandy Bridge-E vs. 4-core Ivy Bridge [closed]
I am currently choosing between Intel Core i7-3770 (quad, Ivy) and Intel Core i7-3930K (6 cores, Sandy Bridge-E). This machine will be used for both work (Adobe, Autodesk software, graphic and coding-...
0
votes
2
answers
891
views
Finding the number of Cores on my CPU in GNU/Linux
When I do cat /proc/cpuinfo I get the folowing information printed below. Can I conclude from this information
that there are 8 cores in my machine? I am interested in doing some parallel programming ...
0
votes
1
answer
2k
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MacBookPro Core i7 - system profiler says "Number of cores: 2"
I thought that "quad core" meant quad core. My system says that it has 2 cores, but perhaps I'm thinking of it wrong, or perhaps the OS ignores 2 cores. What do you know about the issue.
(Note: Intel ...
5
votes
6
answers
30k
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How to disable 2 cores on a QuadCore i7?
I have a laptop with a QuadCore i7 that runs hot. I don't need 2 of the cores. How can I shut them off?
2
votes
2
answers
652
views
Core i7 on linux loses its multithreading capability after suspend
On my debian-linux system, with a core i7 920 , each time I resume after the command "pm-suspend" (suspend to RAM), mutlithreading capabilities almost disappear. More specifically, two distinct ...
0
votes
1
answer
244
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Available RAM per core for mobile i7 processors
On a i7-720QM or i7-820QM mobile processors, can each core access all of the available RAM (i.e. 8 GB out of 8 GB). I've heard that on certain desktop motherboards this can cause problems, but I can't ...
15
votes
2
answers
2k
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Does the Intel i7 offer real improvement over its predecessors? [closed]
As the questions title asks, do the new processors from Intel offer real, as in noticeable, improvement over the previous quad core ones? What does the i7 actually offer that is new or is it simply a ...