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1answer
15 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 ...
0
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0answers
10 views

Core dumps from Apache with MPM ITK

I am facing a (so far) irreproduceable segmentation fault in Apache/MPM-ITK/Mod-php, so I am trying to get Apache to produce a core dump when that happens. The problem is, that I do get core dumps, ...
2
votes
1answer
51 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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2answers
47 views

Need to know the ram and the Processor [closed]

my PC : Intel(R) Core (TM) 2 Duo , how can i know my Device fits the size of Ram , like 2 Gb or 4 GB. ? and will it make the PC open folders and games faster or not ? my current ram is : 2Gb
0
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1answer
129 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 ...
0
votes
1answer
30 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 ...
17
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3answers
3k 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 ...
0
votes
1answer
83 views

Which is the biggest number of cores in a processor which is available on the market? [closed]

I know about single core,dual core and quad core processors,but I have no idea how many cores a processor could have at the moment.I mean,are there octa core,deca core or even better processors ...
0
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4answers
465 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
0
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0answers
50 views

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 ...
1
vote
1answer
265 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 ...
0
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2answers
8k 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 ...
3
votes
1answer
165 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? ...
0
votes
1answer
53 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 ...
0
votes
4answers
584 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. ...
1
vote
1answer
860 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: ...
-1
votes
1answer
515 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 ...
0
votes
2answers
196 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 ...
1
vote
1answer
238 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 ...
1
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3answers
347 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 ...
1
vote
1answer
268 views

Are there any GNU/Linux distributions which use a stable core and the latest and greatest software? [closed]

With "stable core" I mean the kernel, grub, init system, x server, audio server, et cetera. Basically everything that is essential for the OS to function. Some distributions that I have looked into: ...
-1
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2answers
3k 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 ...
5
votes
2answers
634 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 ...
3
votes
1answer
439 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 ...
1
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4answers
3k 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 ...
3
votes
2answers
459 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. ...
1
vote
2answers
350 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.
2
votes
2answers
1k 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.
1
vote
1answer
521 views

How to make core dumping in Linux for every process?

How make Linux core dumping for every process not only for deaemons?
1
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2answers
746 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 ...
4
votes
2answers
682 views

Using an Intel Core i5 processor on a Core 2 Duo motherboard

Is it possible to use an Intel Core i5 processor on a Core 2 Duo motherboard? Is the Core 2 Duo processor chip shape the same as the Core i5's?
0
votes
2answers
403 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 ...
0
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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
11
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4answers
14k views

What is meant by the terms CPU, Core, Die and Package?

Now this might sound like too many previous questions, but I am really confused about these terms. I was trying to understand how "dual core" is different from "Core 2 Duo", and I came across some ...
4
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5answers
4k views

Is the cache size or number of cores more important when weighing CPU performance?

I'm shopping for a laptop for my son to use for school, so it doesn't need to be a gaming machine. I've put together PC's from scratch before, but it's been a while. I've noticed that a number of ...
0
votes
2answers
960 views

(How) Can I get a core dump when running a program with sudo?

Cores apparently are not dumped when the using sudo despite ulimit -c being set to unlimited. Is there any way around this?
1
vote
1answer
138 views

Oddity about declared multi-core CPU power?

I am having quite a hard time in understanding the output of cat /proc/cpuinfo on two 4-core Linux boxes here at work. Basically I am running algorithm experiments on the two machines (let's name them ...
7
votes
3answers
12k views

Is there a simple UNIX command for finding out how many cores I have to work with?

I've got an Ubuntu VM on my Mac. Is there a command I can run in Ubuntu that will tell me how many cores I have to work with? I could do "about this mac" on the host, but I'm not sure how well the ...
5
votes
3answers
7k views

On Linux, how to tell how many cores of the machine are active?

On Linux, how to tell how many cores of the machine are active? I assume a test for this would work for Android too. I need to know if more than one core is ever active. Was wondering to test this by ...
3
votes
1answer
2k views

Processor advertised with 2 cores but PC shows 4 cores

I recently purchased an Intel i5-650 processor. On the Intel site, this the technical specifications show that the processor should only have two cores. ...
2
votes
1answer
3k views

Core i5 memory limitations

it's long time since I upgraded my PC last time, so I still have C2D CPU. I searched for some upgrades and found a few interesting things about Ci5 CPUs. From news I read I knew thay have built in ...
2
votes
2answers
3k views

Multiple CPU cores in Virtual Box

When I was using Virtual Box in Windows 7, I could choose how many CPU cores to assign to the guest OS. Now I'm using Linux, and when I installed Virtual Box, I couldn't find that option. System ...
4
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4answers
7k views

Does “core” mean CPU or memory or both?

I was wondering what "core" means? CPU or memory or both?
6
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3answers
1k views

How do I see a log of which process was running on which CPU and for how long?

Is there a program that logs this, or at least lets me see in real time which process is running on which core? I don't think the task manager quite does either of these.
2
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3answers
242 views

Triple core: a black sheep?

Is there any architectural disadvantage in a triple core processor compared to a dual or quad core? For example, does a triple core imply some architectural dissymetry that impacts performance? P.S. ...
28
votes
6answers
20k views

How many cores I am using on a Linux Server?

I am just wondering how I can find out in bash how many CPU cores a user is now using on a Linux Server? I am submitting a fair amount of background jobs to the server, so I'd like to write a bash ...