All Questions
Tagged with cpu multi-core
130
questions
-1
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61
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Windows only shows 2.33Ghz with 2 cpus, when both cpus are 2.33Ghz each
I have a 2 cpu slot motherboard, each filled with a Intel Xeon E5410, which has 2.33Ghz, and 4 cores. I task manager, it shows 2 cpus, but is only recognising 2.33Ghz, instead of 4.66Ghz (I'm using ...
- 25
0
votes
1
answer
321
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i7-12700K inexplicably turning off p-cores periodically for long running tasks
I like to run lots of heavy computation on my computer (like factoring large integers and other computational number theory), and my 17-12700K is usually pretty good at it.
But sometimes the task ...
- 327
2
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0
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3k
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Does Hyper-V properly schedule on CPU with Performance and Efficient Cores?
New CPUs (at least in the consumer market) will eventually likely all have the split into performance and efficient cores that Intel has started with the 12000 series.
I have seen some bad/dumb ...
- 1,830
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1
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607
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Why does adding CPU cores make programs run faster?
Intel currently offers a 5.5GHz CPU, which represents the number of instructions the CPU can execute over time.
If a CPU has more than one core, it can execute more than one process at a time.
However,...
- 217
0
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0
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148
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Merge cpu cores for specific program [duplicate]
Minecraft is an old game that was coded to use only one core, which is bad for performance today,
so I was thinking if there is a way to like merge 2 cores for that specific program and make the ...
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1
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1
answer
2k
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Can any program be run on multiple cores? Will the CPU decide that? Or can only certain programs run on multiple cores?
So I'm a little confused about the multicore CPUs - the impression I was initially under and what I thought I heard before was that some programs can't be run across multiple cores - those in which ...
2
votes
1
answer
1k
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Why is this single-threaded program using all cpu cores?
I am running a program and the developer of the program, whom I know personally, tells me that the program is completely single-threaded. However, as you can see in the picture below, the program is ...
- 121
-2
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3
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437
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Can this Intel processor multi-process 4 or 8 threads?
I am helping a friend who is trying to run multiple threads on a system with an Intel Core i3-3217U processor.
According to Intel's website, that processor has 2 cores which support 4 threads per core(...
- 8,439
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1
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4k
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How many physical CPU Cores does Windows support? (Asked in 2021)
How many physical CPU Cores does Windows (amd64, not arm) support?
So with "physical CPU Cores" i mean that a CPU with 4 Cores and Hyperthreading counts as 4 and not 8 Cores. Also with "...
- 33
0
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1
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492
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How is hyper threading more efficient? [duplicate]
I read a lot about Hyper threading and how it works. One thing I still can't 'digest' is how is it more efficient than not using hyper threading at all?
Hyper-Threading is where two threads are able ...
0
votes
1
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249
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Less overall heat? Dual-core vs Quad-core CPU running single-threaded Application
Setting: Multicore-CPU is running an application which is only using one thread.
Assumption: In regards to clockspeed, 2-Core and 4-Core would need the same time to run and both would have the same ...
- 23
0
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1
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73
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1 big core or 4 small cores, which one is better of virtual private servers?
I am trying to find and buy a VPS service. I see some plans like one-3.5GHZ core, dual-2GHZ core, quad-1GHZ core, etc. I like to know which one is better and has more computational power?
What I want ...
- 437
0
votes
0
answers
470
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How does cores/logical cores handle the threads [duplicate]
I have this whining question on my head, which stuck me for days.
Correct me if I'm wrong: My aspect on computer architecture and organisation is that,
In early day computers, there was a single ...
0
votes
1
answer
944
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Are the Geekbench multicore scores done using embarrassingly parallel processes?
For each processor, the benchmarks at geekbench.com present both a single-core and multi-core score. For example, this 64-core processor has a single-core score of 1220 and a multi-core score of 23688....
- 129
3
votes
1
answer
2k
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Can you run two operating systems on separate CPU cores without virtualization? [duplicate]
Let's imagine we have a quad-core CPU. Now, I'm wondering if it is possible to run – let's say – Windows on 2 of the cores and Linux on the other 2 cores.
And – before someone marks this as a ...
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