A CPU (Central Processing Unit) is the chip responsible for actually "doing" most the instructions given to a computer.

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How can computer actually compare two numbers?

This is a strange question, but I was trying to think deep about the comparing instruction. For example, the "equal" instruction outputs a 0 or 1, depending whether the two inputs are equal or not. ...
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2answers
25 views

How to find the source of a burning smell in my computer?

Recently I find small unpleasant smell (like burning smell) from my desktop computer, not always, but from time to time. I don't know where it is from, but as I turn off the computer and sniff closely ...
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5 views

Hi10P support for Intel Bay Trail Z3735F

I want to know if the Intel Bay Trail Z3735F is capable for playing 1080p 10-bit videos, does anyone has experience with this processor?
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1answer
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4answers
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TiWorker.exe - Very High CPU Usage

I have a laptop running Windows 8. Although it originally ran well, it started having very bad performance issues. I decided to perform some research into the topic. Opening up Task Manager, I ...
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4answers
207 views

What are things that I need to keep in mind when upgrading the computer hardware parts? [on hold]

I want to upgrade my computer hardware to advanced hardware parts like Mother board, RAM, Processor, hard disk, CDROM and etc.. For example I have the following in my mind: I have Pentium III ...
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0answers
8 views

My Brand new cpu hanges [on hold]

here is the detail of my pc which I have purchased around 10 days before asus 2gb ddr5 RADEOn R9 270X COOLER MASTER SEIDON 120V PLUS COOLER FAN AMD FX 9590 PROCESSOR CPU CORSAIR VENGEANCE DDR 3 ...
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2answers
22 views

What is CPU bottlenecks and how does it affect me?

First some facts: I have an MSI GT70 gaming laptop equipped with a GeForce GTX 780M 4GB graphics card. I am considering upgrading to an MSI GT72 equipped with a GTX 980M 8GB graphics card. I play all ...
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1answer
16 views

why in Linux VM like vmware and XenServer, physical id > the number of cores in /proc/cpuinfo

This was only observed in Linux virtual machines. In /proc/cpuinfo, the physical id could be very large, exceeding the number of cpus. For below example, 4 core systems but the physical id is 13. ...
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3answers
3k views

Why is Google Drive so heavy on my CPU?

As the below screenshot shows, despite the fact that Google drive doesn't appear to be doing anything (it's not syncing any data) it's using over 12% of my CPU (a core i7). The official ...
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0answers
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High CPU using while dragging with brush tool in photoshop cc [on hold]

This problem is happening while i am using my brush tool in photoshop cc. So you will be clear, please see the video i captured on youtube ...
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0answers
8 views

How to read CPU load with Java on AIX

I checked /proc FS on AIX 6.1 in order to get some values for CPU load but unfortunately I could not find anything useful. Is there any text file in AIX which I can use to get these values similar ...
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1answer
3k views

Intel Atom D2500, 64-bit mode

I have an Intel Atom D2500 processor which the spec site claims it supports a 64-bit instruction set. However, cpuinfo shows this: # cat /proc/cpuinfo | egrep "(processor|flags|address)" processor ...
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2answers
123 views

Are all Socket G2 processors interchangeable?

I've got an HP probook 4540s and I'm looking at upgrades, but I want to know what my options are. Will I be able to use any Socket G2 processor, or am I limited to the ones the laptop ships with?
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1answer
325 views

High CPU usage of “NT Kernel & System” process while Chrome playing YouTube video

I have a headache from searching for solution of my problem. Everytime when I open Google Chrome and any YouTube video (doesn't matter if Flash or HTML5), system process named "NT Kernel & ...
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4answers
2k views

Check CPU usage by tab or by add-on on firefox on mac

My version of Firefox has a runaway process/thread that makes it use 100% cpu on my MacBook Pro (OSX 10.7.4) after a few minutes. I've tried to use about:memory and about:addons-memory to try to ...
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0answers
34 views

Incorrect CPU temp on AMD A10-7850 APU (Kaveri) on Ubuntu Linux 3.16 kernel

My machine has an AMD A10-7850K APU which runs very nicely. I installed Ubuntu 14.04 when it was released, however it launched with the 3.13 kernel which did not have official support for Kaveri ...
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0answers
22 views

i3-2125 vs. i3-4360T: Performance and power consumption comparison [on hold]

I want to compare two Intel CPUs: The i3-2125 and the i3-4360T. I'm interested in the performance differences and the power consumption. Which one of these two performs better in the mentioned ...
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0answers
26 views

How much RAM is optimal for single core processor [on hold]

I would like to improve my old machine by adding another GB of RAM. The thing is, my machine uses DDR 400 RAM and my processor is AMD Sempron which works on 1.6GHz. Currently, I have two modules of ...
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1answer
31 views

Water Cooled CPU Concerns [on hold]

My computer is turning itself off spontaneously due to the CPU overheating. I have since installed the stock cooler, replacing the water cooler as a temporary measure. Specs: AMD Bulldoxer FX 8150 ...
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4answers
4k views

My CPU fan is running very high speed even with less cpu usage

Everything was ok yesterday , but now i have seen that my CPU fan is running constantly at very high speed. I tried restarting it. Before when i turn on the PC then fan used to run very high speed ...
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0answers
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What is the name of process (in CPU task manager) that do IPv6 auto configuration? [on hold]

What is the name of process—in CPU task manager—that handles IPv6 auto configuration? Pid or name? If it is not by a process and it is is by kernel, then is there any way to find out the used process? ...
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0answers
12 views

What do CPU speeds mean in modern processors? [duplicate]

In the past (late 90's I guess), a processors clock speed was the speed at which it operated Currently however, a processor scales its speed up and down depending on various factors. Example: I have ...
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2answers
62 views

Identifying CPU from lscpu command?

Does anyone have a clue what this CPU is? Here is the output from lscpu:
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3answers
2k views

How is CPU clock rate maintained?

I was reading an article Clock rate from wikipedia which has to say that: The clock rate typically refers to the frequency that a CPU is running at. The clock rate of a CPU is normally ...
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1answer
74 views

Motherboard s2600cp and CPU slots

Hi I am trying to assembly s2600cp intel motherboard with Intel Xeon E5 processor. It only seems to work when processor is placed onto CPU1 slot. Does CPU1 and CPU2 choice for processor placement ...
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1answer
34 views

x86 live image on a x64 processor

I have a live image of ubuntu, and I will be using it for programming. It came with a book, and the book mentions that it has to be used on a x86 based-processor. I have an AMD64 processor, so my ...
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3answers
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Why is the Core i5 5300u rated better than the i7 5600u?

I just purchased a new x1 Carbon with all the bells and whistles. I got a Core i7-5600u which I really thought would be the better chipset to get. But now I'm looking at some benchmarks and the ...
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1answer
30 views

How do I know if my CPU is bottlenecking my GPU? [closed]

I have a FX-6120 processor, and a 750 ti graphics card. How do I tell if my CPU is bottlenecking my GPU? And more importantly, how can I know what bottlenecks what in the future when I'm shopping for ...
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3answers
44 views

does IO Port address belong to RAM?

I have been using linux(ubuntu). To communicate with IO devices, IO ports Address are used ex. 0x378 for parallel port. Is IO port address are actual RAM address ? If its not then where it reside ? ...
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1answer
34 views

How can I determine if my Intel CPU does throttle?

I have a Dell M6600 Laptop with an Intel Core-i7 CPU, and it is becoming pretty loud and hot recently, and slows down. I suspect that the CPU gets very hot, and would like to see if the thermal ...
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0answers
32 views

Why can't I use the fourth memory bank of an ASRock X99 Extreme3 with GeIL EVO Potenza DDR4-3000 DIMM CL16 modules? [closed]

I did some poorly reflected PC parts shopping and bought an ASRock X99 Extreme3 with an Intel Xeon E5-2603v3 6x 1.60GHz So.2011-3 WOF and a 16GB GeIL EVO Potenza DDR4-3000 DIMM CL16 Quad Kit DDR4 RAM ...
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Can a single-threaded program be made to use multiple cores?

The title says it all: is there a way to get an older program designed to use a single CPU core to use multiple CPU cores?
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1answer
25 views

Can high tempretures damage my laptop CPU or fan? [duplicate]

I just had my laptop serviced. Before it was 80 degrees Celsius when i watched YouTube videos and up to 100 degrees Celsius. In the store they cleaned my CPU fan and it's now maximum 50 degrees ...
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1answer
38 views

Machine Reports Incorrect Number of CPU Cores

I have a Windows® machine running an Intel® Core™ 2 Duo Processor E7200 with two cores. Not long ago, the machine reported it as having a CPU with two (2) cores. Now it reports as having a CPU with ...
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1answer
28 views

Get max resolution from my i7 2600k

I have an Intel i7 2600k in my z77 Extreme 4 mobo. I know it's "last generation" but I love it ;) it runs smooth and without problems but I have a new need now: I want to put a high res monitor on ...
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Does “Asrock G31M-S R2.0” supports “Core 2 Extreme QX9650” processor or FSB1600 MHz CPUs?

My motherboard is "Asrock G31M-S R2.0" which supports CPU Socket type LGA 775. http://www.asrock.com/mb/Intel/G31M-S%20R2.0/ If you open an official web page of "Asrock G31M-S R2.0" then you can see ...
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10 views

Running a process without triggering CPU frequency scaling

I would like to know if it is possible to not allow a process to trigger my CPU's dynamic frequency scaling feature. I'm running Linux Mint 17.1. My specific case is that I would like to run BOINC in ...
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1answer
2k views

CPU fan turns on for a second and stops, PC does not start at all

I have checked my PSU and it works fine. When I turn on the MOBO, the CPU fan, case fans and the psu fan itself turn on for half a second and then turn off. The PC remains off. The Bios light turns ...
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0answers
30 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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3answers
4k views

Mac OS X Server 10.6.6 “disables” CPU in VMware Fusion

I installed Mac OS X Server 10.6.0 in VMWare Fusion the other night and it worked perfectly, until I ran Software Update. I upgraded to 10.6.6 through the combo updater, and now when I start the VM it ...
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1answer
63 views

AMD Processor state hangs at lower frequency

I have a HP Pavillion dv6-6123cl Entertainment PC with a locked bios. I use a program called K10Stat in order to get around this and overclock anyway. I have AMD A6-3400 APU with Radeon(tm) HD ...
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1answer
31 views

Why is Windows 7 rating on my ram less?

I just upgraded my motherboard and ram. My new motherboard is Esonic G41CMBL with Transcend 4GB DDR3 1333 Ram. My processor is Intel Core 2 Quad q9950. My friend's system has the same configuration ...
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0answers
36 views

I can't find the reason of High CPU usage (15%-30% when doing nothing)?

From a past few days I have high cpu usage issue, even when I am doing nothing task manager shows 15-20% cpu usage and sometime it will go upto 99% usage for a brief period of time. Usually my CPU ...
233
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12answers
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Why are we still using CPUs instead of GPUs?

It seems to me that these days lots of calculations are done on the GPU. Obviously graphics are done there, but using CUDA and the like, AI, hashing algorithms (think bitcoins) and others are also ...
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5answers
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Are CPU clock ticks strictly periodic?

Is the frequency of a CPU a mean value of about how many clock ticks there are in a second or does it have a more strong, physical stability? In my opinion, it must be not stable nor unstable. So ...
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0answers
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Nature of load on a Microsoft Exchange 2013 server [migrated]

I was wondering if someone has experience with the nature of the load that is generated on a Exchange 2013 server. The background of my question is that I'm currently considering options concerning ...
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2answers
37 views

What factors determine the maximum amount of ram a device can address?

I recently bought a new ultrabook that came with 4GB of ram. I have seen people talk about how it can be upgraded to 8GB with no trouble. However when I look up the CPU that is inside of the machine ...
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0answers
24 views

Dell 490 BIOS / Win 7 Pro x64 will not recognize second matching Xeon 5160 CPU

Upgraded to Win7 Pro x64 from Home Premium x64 (Anytime Upgrade online), specifically to add second identical physical dual-core Xeon processor. BIOS only shows one CPU in socket 0. Win 7 Pro only ...
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1answer
64 views

High CPU core usage from System Interrupts [duplicate]

The CPU usage on my AMD Phenom II X4 820 hasn't gone below 25% in days, and I realized that it’s because my 4th core is constantly at 100% load. I have spent quite a while trying to figure out why, ...