Hardware :: Difference Between Processor And Core?
Dec 22, 2010
When i viewed the cpuinfo file (using command: vi /proc/cpuinfo ), i found that there are listings for 4 processors( i.e 4 sets of listings each one starting with item : processor - 0 ; processor -1 and so on..). Each of them have similar data among which one is "cpu cores" which is 2 for all.. How do i make sense of this data.. 4 processors with 2 cores each ? Also, what could be this hardware be classified as : dual core? quad core ?...
P.s: each of these processor listings also have an item called "siblings" which is 2 for all... Just thought i'll include this here because i felt it may be relevant to this question..
I recently read in a forum that by default the Linux kernel only activates one of two cores in a dual core processor. Searching online gave one option to find out and that was the mpstat command. I therefore ran the command and got the following output.As the result says, it shows only 1 cpu. I was wondering what I could do to activate both cores in my machine, and whether doing so was going to cause me any problems.
I am looking to buy a laptop for my college years, so I would like to buy one that will serve me many years ahead. Currently the only laptop I have found is the System76 Serval laptop, but they do not ship to Europe.
Another laptops I have found are the Toshiba A505 series, but they are not currently supported by the latest version of Ubuntu.
I anyone knows of a good laptop (must have Corei7 processor and Nvidia/ATI powerful card fully supported by the proprietray drivers), please share your knowledge here.
I wanted to try Fedora 12 Live/KDE on a newly-bought Fujitsu Esprimo P1500. Booting with no kernel options would just freeze the machine. After some random experimentation, I added the option "nolapic" and got a seemingly working machine. However, only seemingly, as it turned out that only one of the processor cores was working (the processor is a "Pentium(R) Dual-Core CPU E5300").
I need to set the CR4.MCE bit for all the cores on my system (4). I'd like to write a linux kernel module for that, but I am not sure how to proceed: How do you sequentially access all of the CR4 registers? I have read the Intel manuals and they describe a way to initialize each core, but this is done in the bios.
I have quite an old laptop using an XP OS with an Intel(R)Pentium(R)M processor, 1400MHz 1.40GHz,with 504 MB of RAM,and with Service Pack 3. (this info was taken off the system properties info) I have recently been given a new HD Digital camera which needs a Pentium 4 or above on Windows XP for the software to work. As I said I'm not very good with this sort of thing so have searched for information about the subject, but not had much luck so far understanding the terminoligy used. That's how I came to this website. what the difference is between these two OS, also if my laptop system is compatable with a pentium 4 or not is it more or less that a pentium 4.
I am attempting to install a custom fedora build but it crashed, I then attempted the standard fedora build (.iso) burned on a CD and I got to the boot window but at some point following the colored lines going across the bottom of the screen it froze. symptom - monitor still on not hibernating, num key works caps lock doesn't , hard drive is spinning and so is CD drive. Has anyone had issue loading this build onto similar hardware?
I'm about to upgrade a server for a local non-profit, and am looking at a Gigabyte GA-P55-UD3L motherboard and an Intel Core i5 750 processor. Does anyone have any observations or experiences with SUSE on this platform?
Compiling a kernel on this machine first time and get upset with which processor family/type/options to select for my Intel Pentim Dual Core T2390.Does sombody know how to configure kernel better for this processor?
I have written a simple script which has to find required patterns from a bunch of files ( where each file is around 2 GB each,which contain the output of seq 1 10000000000000) on an 8 core machine.I am current forking 6 child processes which run simultaneously on 6 cores of the processor & have to search for the required pattern in 6 different files & inform the parent process when a pattern is found using a PIPE.
The problem is,when a child process is done reading a text file looking for a pattern,it is becoming a zombie process.It exits cleanly when i put a $SIG{CHLD} = "IGNORE"; in the script.Can any one tell me whats going on & how do i improve the communication between child and parent processes?
I am in school for my CIS degree and the book I am using this session covers Windows XP and Fedora Core 4. I am having trouble finding & downloading Fedora Core 4. My question is: Is there a big enough difference between Fedora Core 4 and Fedora Core 14 that I would not be able to use 14 instead of 4?
I've been thinking of going into opensuse for a long time and now with KDE 4.4 is finally out - I'm going to do it. The installation shouldn't be a problem but I wonder how I can upgrade to kde 4.4, since opensuse 11.2 will have 4.3 by default? I saw in the documentation to add these repos:
# Core packages: http://download.opensuse.org/reposit.../openSUSE_11.2 # Community: Index of /repositories/KDE:/KDE4:/Community/openSUSE_11.2_KDE4_Factory_Desktop # Playground: Index of /repositories/KDE:/KDE4:/Playground/openSUSE_11.2_KDE4_Factory_Desktop
whats the difference between core, community and playground? And isnt there "stable" repos for the KDE 4.4 release? And are there a repo with amarok 2.3 Beta?
I would like to run my own server, and I'm thinking of buying a dedicated machine to run it on. I checked out the dell website for a cheap machine to run it on (I don't need high performance - just a personal file server running a few hard drives, and a web/mail server). I noticed that they have some cheap models in their server line that are as cheap as a desktop. Compare:
[URL]
The main difference I see between the desktops and the servers is the use of the Core or Xeon processor, and also, the servers tend to have lower RAM.if I am looking for value, should I opt for a low end desktop or a low end server to run a personal server? Also, what advantage does the Xeon processors and Dell server line have over the desktop models that make it better for running a server?
i have installed ubuntu in my laptop.since i have AMD processor fedora doesnt support AMD processor..the recent version fedora 12 supprots AMD processor.i am doing my final project in ns2 hence it should support tht too!!! Which is the best choice to override ubuntu grub fedora 12 or redhat linux.
i am running gigabyte GA-M68M-S2P and AMD sempron 2.7. the problem is when i try to run dual core. it will boot and run for 2mins then it crashes. single core runs perfect.
I have a command line OCR program called OCR Shop XTR (Vividata corp) that I am using on a system with a 6-core AMD chip. I changed the bios so that the 6-cores were activated, but htop shows me that while the program is running, I am only getting activity on one core (the program maxes out the one core with consistent usage between 97% and 100%).
I have read that many programs are not written to take advantage of multiple core cpu's. However, I am just hoping that there is some way to get this program to take advantage of the extra cores. Does anyone know of a way to invoke programs from the command line which would spread the workload out among additional cores?
Here is the output of uname -a:Linux linux 2.6.37.1-1.2-desktop #1 SMP PREEMPT 2011-02-21 10:34:10 +0100 i686 athlon i386 GNU/LinuxAnd here is the output for one of the cores from cat /proc/cpuinfo:processor : 5
vendor_id : AuthenticAMD cpu family : 16 model : 10 model name : AMD Phenom(tm) II X6 1100T Processor stepping : 0
I have now installed Wheezy on two different hard drives and in each case it seems only one CPU of my dual core CPU computer is recognized. System Monitor, Gkrellm and lscpu show just one when prior to the new install the old Wheezy showed both CPU's. I have put the hard drive into two other computers with dual core CPU's and all show just one CPU.
Interestingly System Profiler and Benchmark (hardinfo?) > Devices > Processors now show a large amount of processor infomation when with the old Wheezy I would only see both CPU's listed and nothing else.
Assume someone bind a particular process to a particular CPU core(In multi core machine) by using sched_setaffinity() like functions. Then how we can get that process running core id and CPU core utilisation of that process on that running CPU core(Pragmatically or by a Linux command)?.
I have created a virtual machine of a system running Fedora Core 4 and I need to upgrade it to Fedora Core 10. Based on what I have read, it iis possible so I started theupgrade process. I get an error message saying that /dev/hda6 (my root paritition does not exist) even though it does.
Does the installer need to read a label from /etc/fstab? I executed tune2fs -L / /dev/hda6 amd ,and added LABEL=/ for the corresponding entry for fstab. but the FEDORA CORE 10 is still giving the same problems for the installation process. Should I upgrade to an intermediate verson like Fedora Core 7 first?
