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Questions tagged [core]

A core generally refers a single CPU core or to half of a piledriver module.

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How do i use Ajax on .net core to save a model state and pass it to another view within one request?

Regards this question, I am looking for some good places to research. I have one Controller for the index view that uses a model. This model has a registration stage that loads different modals (reg ...
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1answer
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Is there a significant issue to allocating all available cores to one VM if that is the only major task running?

I have a one-off task that requires me to use a VM to fix a build bug a software project using SCons (Python). The testing cycle is fairly short, resulting in frequent rebuilds. I'm using a 4-core ...
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1answer
23 views

How determine that app start as Linux daemon

I have console app that would start as console and as Linux daemon. How can I determine that app started as Linux daemon (not console)?
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How to remove and prevent all processes except one that I choose from certain core in practice (win10)?

Problem: I have a single core process that has oscillating load (sc2 path optimizer). How can I make a script that moves this process to a certain core and prevents other processes to enter that core?...
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Power consumption of a core with two hardware threads

If a core has two hardware threads, will the core consume the same power in the following two scenarios: a) only one thread is busy, the other is idle b) both threads are busy As far as I know, the ...
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1answer
2k views

Are the temperature and fan speed normal in my laptop?

My laptop is HP Pavilion DV6-6b51ea. The laptop is around 5 years 10 months old. Configuration: Intel Core i5 2430M 2.40 GHz 6 GB RAM x64 based processor ATI Radeon HD 6490M gpu Intel HD 3000 ...
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BIOS; What “one core per module” setting is good for?

On AMD compatible MB I have setting One core per module (enabled/disabled). What is this good for? How can I use it to benefit from it. If I enable this does it mean I am loosing x-times core ...
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2k views

Processor speed locked at low GHz after computer runs for a few minutes

Lately I realize that my Processor speed will reduce and locked at some level after some minutes I ran the Computer (0.8GHz). When I first run the Computer, my Processor speed is doing fine(1.5GHz), ...
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905 views

Threads (versus cores) and rated CPU clock speed, what is the effect?

If my CPU is rated at 2GHz, and has 4 cores supporting 8 threads, are all 8 threads running at the rated clock speed? Or are they running at 1GHz each since there are twice as many threads as cores?
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1answer
169 views

How to install something on Ubuntu core?

I have an arm-based computer(http://wiki.friendlyarm.com/wiki/index.php/NanoPi_M1) that has it's ported Ubuntu core (http://wiki.friendlyarm.com/wiki/index.php/Ubuntu_Core_with_Qt-Embedded). But I man ...
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1answer
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What does it mean when you say single-CPU operation in multi core CPUs?

I've been reading about Xeon CPUs in Wikipedia and this terminology has come up. I've tried doing a web search and I can't seem to find anything that can help me clarify my question.
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717 views

ACPI.sys (System process) maxes out one CPU core on Windows 10

I noticed a process named System seems to constantly use up to 20% of my CPU, it also maxes out one of my CPU's cores. Performance seems to be unaffected (as far as I know). I used Performance ...
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ASP.NET Core MySQL DB scaffold not working (could not find provider assembly)

This site shows how to reverse-engineer an existing database to an ASP.NET Core EF model. What I found out is that the currently correct command should be (instead of "scaffold-dbcontext"): dotnet ...
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1answer
8k views

How to determine number of GPU cores being utilized for a process?

As we know, if there are 4 cores in CPU, then maximum utilization would be 400%, and if the total utilization is 200% then it will be analysed as 2 cores has been used up among 4 cores. Thus in case ...
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accessing core microarchitecure in QEMU, HOW?

I have two questions: 1) Is QEMU a full system simulator or a virtalization layer? 2) when it installed, Is it possible to access micro architecture elements of a core such as registers ,...? I need ...
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1answer
133 views

Are cores in a CPU package always identical?

By identical, I mean having the same signature - family, model, stepping and brand string of the CPU (which essentially identifies a CPU model uniquely) If I'm not wrong, a CPU package goes into a ...
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1answer
33 views

At what temperature I should install another cooler for the processor?

I have a Intel dual core processor, code name Ivy Bridge, frequency ~3GHz, max TDP is 55.0W. I use Core Temp to monitor the temperature while all cores are at nearly 100% load. The temperature ...
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1answer
1k views

If a motherboard can support 3rd & 2nd generation processor, can it support 1st generation processors?

I have just bought a core i3 first generation(Intel® Core™ i3-530 Processor (4M Cache, 2.93 GHz Socket LGA1156) but I looked up the website of the motherboard(H61M-K ASUS) and it showed me this:- ...
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1answer
125 views

dmidecode: Find accurate number of cores being used

I am trying to understand my dmidecode output. For simplicity let's say I am using this dmidecode output as my reference. For both CPU1 and CPU2, dmidecode says there are 4 cores enabled and 8 threads....
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1answer
319 views

Get VM GUI on a core server via VNC

I have a linux server without GUI running several Windows 7 VMs. I would like to view the screen of the VMs. Is it possible to connect to the linux server with a desktop computer in order to display ...
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2k views

How many VM's I can create and share CPU cores on 24 core CPU?

I have a server that has 2 (CPU) - 24 cores. Is there a limit how many VM's I can create and assign CPU's? Ex: Is there a limit that, I can only create 6 VM's that have 4 CPUs each? or 12 VM's with 2 ...
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298 views

Does overclocking have any benefit on a processor that already has Intel Turbo Boost? [closed]

I've read that when the model number of an Intel Core i5 or i7 processor ends in K, it means that it is "unlocked" and can be manually overclocked by the end user. These processors also come with ...
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1answer
20 views

Drivers and core clock

I just got a new video card it works and everything plays great. It does not show up on my details in device manager or any of my overclocking utilities. It's an MSI 780 GTX ti. but it shows in all ...
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1answer
2k views

Is it better to have two cores or four logical processors?

My system has two physical cores, and four logical processors. To my understanding this means that I have four CPUs due to Hyperthreading, and work is distributed as evenly as possible. However, I ...
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1answer
768 views

Cores and threads? How does it all work exactly?

I am confused by this ... if a CPU has 2 logical cores, it can run two programs 100% concurrent, yes? Otherwise, 2 programs on one CPU must be 100% time-divided (can't run independently as the same ...
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1answer
766 views

How to check core dump enabledness status in bash?

$ ulimit unlimited $ sleep 2 && killall -SEGV cat & [1] 11358 $ cat Segmentation fault $ ulimit -c unlimited $ ulimit unlimited $ sleep 2 && killall -SEGV cat & [1] 11462 $ cat ...
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3answers
4k views

Why is my laptop both dual core and quad core at the same time [duplicate]

I bought an Alienwaremx14 with the following specifications , it is clearly stated here that my CPU is dual core However when i open Window task manager , I was shocked to find out I had four CPU ...
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4answers
7k views

Why are the number of cores in a processor normally even

Whenever i look at specifications of the processor , the number of cores is always 2 , 4 ,8 . Is there any reasons why the number of cores are always even and not odd like 3 , 5 , 7
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2 Virtual Machine on 1 core

I have a few computer installed with Hyper-V... I running some automatized programs on it... if I using 1 VM/core works like charm... and i can see its not using the 100% of the core... so i thought I ...
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2answers
3k views

Core dump generation on Linux

Something very perplexing is going on, with respect to my box. Below are my settings in /etc/sysctl.conf: kernel.core_pattern = core kernel.core_uses_pid = 1 In /etc/profile, I have this: ulimit -...
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4answers
79k views

what does 2 core 4 threads mean in cpu?

I wanted to know what does 2 cores 4 threads mean about a cpu? I am talking about this cpu which i have http://ark.intel.com/products/47341/Intel-Core-i5-520M-Processor-3M-Cache-2_40-GHz I initially ...
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1answer
614 views

What does 4 + 1 CPU cores mean?

For example, the Nvidia Tegra 4 is described as having 4 + 1 CPU cores. Is this simply a conventional way of saying that it has 5 cores, or does that phrasing imply something different? http://www....
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1answer
125 views

Choosing which core to use when running a program

I work on a Fedora server running on an Intel Xeon with 15 cores. Some users are running simulations that take up four of the cores, but others seem to be unused. Is there a way I can have a program ...
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4answers
8k views

How many cores do I have in my machine?

I want to install a relatively huge package on my Ubuntu 13.10 and I want to use all of the processing cores of my machine. I type make -j N where N is the number of available cores+1, I guess. ...
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1answer
5k views

Python doesn't dump core files

I have a problem where a Python process is hitting a segmentation fault but not producing a core file. The following is a toy example that does not produce a core file on the following distros: ...
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1answer
1k views

why my intel core i3-2310M CPU @ 2.10 Ghz become so hot?

i use Hp Pavilion g4 with intel core i3-2310M CPU @ 2.10 Ghz. I've checked my laptop and the core temperature is among ~75°C and also my fan is working so hard all the time even if I don't use it (in ...
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2answers
374 views

Cores, threads and multi-processing

I know all this terminology is a confused field atm, but I'm trying to interpret how they are being used at: http://www.cpu-world.com/CPUs/Xeon/Intel-Xeon%20E7-8870.html The context I've got is that ...
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1answer
444 views

Linux CPU energy saving hacks

I have a quad core CPU (Phenom II 945), because sometimes I need performance, but most of the time, 4×800 MHz (the minimal frequency) is still overkill for most usages. So, three questions ...
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4answers
2k views

would a core failure on a multicore computer cause system instability?

Say for example, one of the cores in a quad core computer overheated and died, would the system compensate by routing all operations to the remaining 3 cores, or would the computer be inoperable? If ...
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2answers
10k views

Fastest Windows OS for Intel Core2 Duo 1.5GHz T5250? [closed]

I'm about to reinstall the OS on a friends older laptop. It has a Intel Core2 Duo T5250 @ 1.5GHz. I believe it is 64-bit architecture. The laptop only has 1GB of RAM. It looks like it shipped with ...
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2answers
3k views

Which logical CPU (core) belongs to which socket?

I need to test performance of a multithreaded program on 1 CPU, but I have a dual CPU machine. I need to set affinity to those logical CPU's, that share their socket, oterwise they strongly benefit ...
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1answer
565 views

quad sli with gtx 690 not working

I have two cards GTX 690 (dual core). I did the Sli successfully. Nvidia control panel acknowledges the two cards as quad Sli. However, the problem is that Windows 7 64-bit Ultimate is showing me the ...
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4answers
12k views

Running multiple VMs with Core i3?

I have a desktop with Core i3 + 8GB. It looks like I need to assign one of my CPU cores to a VM. That means I can only run one VM at a time? Does VM application actually uses a core for each VM ...
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2answers
981 views

CPUs: more transistors, less voltage?

I have read in an article that newer CPU cores have narrower circuit tracks so more transistors can fit in the core. The author wrote that since there are more transistors, the voltage is reduced. "...
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2answers
736 views

Location of core fonts on OSX?

I'm trying to access the file of a pre-installed font on OSX. Where is the location of core, pre-installed fonts on OSX? The Library folder only contains fonts you've installed.
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2answers
6k views

How do you get more cores?

Are you able to gain cores? I bought The Elder Scrolls V: Skyrim without looking at the specs. I need at least a dual core processor but I only have a single core processor.
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1answer
1k views

How to make core dumping in Linux for every process?

How make Linux core dumping for every process not only for deaemons?
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2answers
935 views

Acceptable Intel i5 Proccessor Temperature? [duplicate]

Possible Duplicate: What is the safe temperature range for a Core-i5 processor? I'm just wondering if my processor I working under an acceptable temp. From what I have read 42 is pretty decent ...
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2answers
1k views

How to know the program that's dumping the core?

I am seeing cores dumped in a particular directory continuously. I am sure there must a script that's continuously starting a process which is core-dumping and dying. But, how can I find which process ...
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1answer
1k views

Comparing processors - high or low bus/core ratio?

Do I want a high bus/core ratio or a low one? This is taken from Intel's site: Bus/Core Ratio 20 22 27 26