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

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Error 5A - Internal CPU Error

So I built myself a pc for the first time. The machine has been running properly, and without issue, since March of this year. Today after an hour or so of gaming the machine shutdown without ...
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26 views

Bigger cache size or more cores? [duplicate]

I know that there is similar question here. Reasons I post it again is because that question is quite old, so I hope so that I'll be able to get more info. Also, three years is really long period for ...
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1answer
49 views

What is the CPU microcode?

Today after unpacking the initramfs file from my Linux /boot directory I found that it contains the GenuineIntel.bin file, and that that file is an image of what is called the CPU microcode. Then I ...
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12answers
8k views

Why are they putting “processors” on hard drives?

What does it mean when hard drives have a processor on the hard drive? How does it work, and what benefit does it have? I don't understand - the CPU on the computer is the processor and the hard ...
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3answers
66 views

Operation System Clone from a Motherboard to Another [on hold]

Lately we had an idea with my Family of building a Super Computer from Scratch. So while we were planning on building our setup, one idea came to my head that it seems possible but i want also your ...
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1answer
22 views

HP Elitebook 8530p's CPU Increases to 100% when Plugged In

I apologize if this post is too long or doesn't describe the issue properly. I have absolutely no idea why it is doing this, apparently it is a problem with HP computers or a particular strand of them ...
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0answers
31 views

Would a powerful enough D-Wave system (quantum computer) be enough to reach over 50% of bitcoin?

Bitcoins computational power is about 64 exaFLOPs. The most powerful supercomputers don't even reach one of those exaFLOPs. D-Wave, unknown as I couldn't google it, but I read that it is 3,600 times ...
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47 views

AMD A10-4655M vs Intel Core i5-4210U, which CPU is better? [on hold]

I'm thinking of buying a laptop and currently have two options. One is HP 15-r022TX Notebook and another one is HP Pavilion 15-n201ax Laptop which have 4th gen i5 4210U and AMD A10 4655M respectively. ...
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1answer
42 views

What is the different between a CPU with or without the GPU?

This may be a dumb question. But this is definitely a quick n easy question for those who know it :) When I choose to buy a CPU with No GPU, such as some of the Intel Xeon CPUs, what should I bear in ...
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0answers
42 views

Are these two CPUs the same ? Is it ok to swap them? [on hold]

I have a computer that would not start and I wanted to test the processor in another computer. After swapping the CPUs now none of the computers start. The second one that failed just spins the ...
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1answer
18 views

How to identify hardware performance bottleneck in laptop?

Is there any tool that helps to determine the weakest link of my current laptop hardware specification? Any online guide to help me choose nice balanced configuration for the new laptop? I need to ...
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2answers
16 views

Do I need new thermal pads?

I have an ASUS G51VX that I've had for about 5 years and it ran fine, except when watching HD videos; then it had a tendency to overheat and turn off. I took the heat sync off to apply some Arctic ...
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2answers
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Since each CPU's core can process one or two threads at once, how OS stills stable even if there are multiple threads running?

To explain more, suppose we have a dual core CPU without hyper threading, that means it can process 2 threads at once only, well, now suppose we have a network application that is running two ...
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1answer
20 views

“Not responding” error while CPU and Memory are free

Sometimes, while CPU and Physical memory are free, some program's status change to Not responding! Why?! For example as you see below, 80% of CPU and 25% of RAM are free! but VMware went to Not ...
86
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13answers
10k views

Why doesn't “add more cores” face the same physical limitations as “make the CPU faster”?

In 2014, I hear a lot of programming languages touted for their concurrency features. Concurrency is said to be crucial for performance gains. In making this statement, many people point back to a ...
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1answer
40 views

Choosing PC components for high performance calculations

What is the best practice to choose the components of the PC targeted at some "heavy" calculations? In particular, one might expect some compilers to be optimized for some CPUs better than anothers; ...
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0answers
31 views

Not sure if it's my motherboard or CPU. Some insight?

I am worried that buying a new CPU may fry it if motherboard has problems. When I power on with the CPU I suspect doesn't work, there are no beeping sounds but the fans speed. There are no LED ...
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1answer
19 views

The motherboard “GA-945GM-S2” is compatible with processor “Dual Core E2200”?

I have a Intel® Pentium® Processor E2200 processor. I have discovered that my motherboard is faulty. I found the GA-945GM-S2, but I do not know if it supports my processor. I need to know if it is ...
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1answer
19 views

Cores and threads - Performance

I wonder if a 4 core/8 thread cpu will perform better than a 4 core/4 thread cpu. If the answer is yes; How much better will a 4/8 perform? EDIT: What if its for running 4 single threaded apps? And ...
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0answers
25 views

Video Games all run 60fps and above but randomly drop 20fps

So when I play video games on my PC, they all run at 60fps or higher but randomly throughout all my games it will drop to 25fps and lower. I know it can't be the game because it happens in all my ...
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1answer
49 views

Can RAM with significantly lowered temperature still be accessed normally?

If I significantly lower the temperature of RAM using those dust cleaners (I'm following the method outlined in this paper: ...
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0answers
35 views

Switching between integrated and discrete graphics on alienware 14?

I recently received a new alienware 14 in the mail and was having some issues switching between integrated and discrete graphics. When I used the inbuilt benchmark tests in Just Cause 2 i pulled in a ...
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0answers
30 views

How is the burned BIOS/firmware code executed from the CPU? [closed]

Let's use simple Intel and "generic PC" memory-mapping/engineered boards to get the gist of this. BIOS/firmware is hardwired to a certain address; an address from which is immediately ...
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0answers
18 views

How to control cpu speed through windows?

Linux has some awesome apps, one of them is the app which allows you to control speed (mHz) at which your cpu is able to operate. Is there something similar for windows 8.1?
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1answer
73 views

PC randomly freezes with weird patterns / artifacts on screen

I just got a new PC (which I assembled myself) having a Core i5 4670K and a Gigabyte Z97MX-Gaming 5 motherboard. I use the Intel HD graphic 4600 as the GPU. I am experiencing weird PC freezes which ...
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2answers
26 views

How to correlate CPU benchmarks to overall computer performance? [closed]

I am in the market for a new PC, and I know I can look up the CPU model name to see which one performs better in a benchmark test. However, how do I translate this into PC performance? What sort of ...
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0answers
25 views

Process tree CPU history usage, process tree memory usage (aggregated) on Windows 8.1

This question is general for Windows OS, but I would like to see a software for Windows 8.1, since this is what I use. I'm looking for software, that will take a process tree (e.g. Chrome.exe ...
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0answers
28 views

Processor wrong using Memtest86

I am running MemTest86 4.2 on a Mac Pro that has ubuntu installed on it. The /proc/cpuinfo file tells me it has two Intel Xeon X5550 installed as I expected. MemTest86 has Intel Core i7 2660Mhz in the ...
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1answer
19 views

Picking the right ram [duplicate]

I informed myself of picking the right ram, but there are still questions. I am currently running a AMD Phenom II x4 965 (Black Edition) on an ASUS M4A87TD EVO. I'm planning to switch my core as soon ...
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1answer
107 views

CPU is busy after installation of Geforce graphic driver 340.52 (NvNetworkService.exe= 12 % of cpu)

CPU is busy after installation of nvidia Geforce graphic driver 340.52 (NvNetworkService.exe= 12 % of cpu) Any body knows why? I have Dell XPS L502x laptop. This problem occurred just after ...
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0answers
19 views

Clock vs Cache in Gaming

I'm curious, I have two processors laying around that I won't name due to the rules of this site, however, one of them is Quad-Core, with a 12MB L2 cache and a clock speed of 2.67GHz. The other is ...
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1answer
37 views

CPU usage drops dramatically

I am using an engineering software to conduct series of computationally demanding analyses. I have a relatively powerful desktop with the following specs: CPU: Intel core i7 3930k @ 3.2GHz RAM: 64 GB ...
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1answer
60 views

Want to buy Asus H81M-PLUS motherboard and i3-4150 CPU; how to make sure it'll work?

I want to buy an ASUS H81M-PLUS mainboard and an Intel i3-4150. The CPU is an Haswell Refresh CPU, but the mainboard needs a newer BIOS version to support the CPU. I expect it won't be shipped with ...
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2answers
17 views

Best factor for determining the bettering of CPU

First of all, if my English is not good please pardon me. Now the problem; when comparing many CPUs with each other, which factor is the best one? For example, there are many various types, like, ...
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1answer
60 views

CPU power more than motherboard support wattage

I have a hardware question. I'm trying to build a shuttle computer . The power specs on page 4 says it can handle only max 65 watt processor. Every processor I'm looking at is over that wattage. ...
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2answers
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Computer doesn't start after installing new Corsair DDR2 RAM

I have a new memory stick (CORSAIR 2 GB of RAM) and I have an older set of 2 sticks of RAM that are 512MB and 256 MB. (I bought it 1GB actually but the Computer tells that it has 256MB of RAM only). ...
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1answer
28 views

DELL Inspiron lapton has CPU failure. What can I do?

My DELL Inspiron isn't starting at all. When I power on it beeps 7 times and I know this means CPU failure. What can cause CPU failure? Is necessary to buy another CPU? Can CPU failure cause high ...
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1answer
35 views

Laptop “thinks” it's overheating, shuts down itself

Short version: When I turn on the laptop fans go full speed even though the the laptop is ice cold. After about 20 seconds it shuts down itself which I guess it's "thinking" CPU is overheating. Long ...
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crond regularly maxes out CPU

I'm running Arch Linux ARM and I've having a few issues with crond. I have a conky that displays the top 5 processes (in terms of CPU usage) and every few minutes, crond will appear at the top of the ...
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Does intel heat sink have film over compound?

I just installed my new cpu and heat sink but did not check the bottom of the cooler to see if there was a film covering the thermal compound. Does anyone know if there is any?
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0answers
23 views

Computer not booting properly

I just recently bought new computer parts for my little brother (specs below). So he could play some games. however, the computer doesn't want to boot properly. It does boot, where all the fans spins ...
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2answers
39 views

Using Windows Server 2012 like a regular operating system

I am in the process of designing a custom computer for work. I've been leaning towards building a system with 4 physical processors in it, However no windows versions except for the server releases ...
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1answer
34 views

How to change ffmpeg -threads settings

Working on a tube site. I'm running videos through ffmpeg on a linux dedicated server to convert to mp4. The server specs: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte ...
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1answer
47 views

Does 2 Single core = 1 Dual Core?

Recently I attempted to suggest to a group that we should have our hardware upgraded on one of our rendering servers. The server has 2 single core CPUs, and I suggested that we really should have more ...
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1answer
19 views

Iostat and top show static resource usage on first value

For one of my projects, I need to obtain resource (CPU, I/O and disk-space) usage programatically. Currently I'm running shell commands (iostat) and parsing the results which works relatively well ...
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1answer
29 views

Haswell 4770k 1866 or 1600 ram difference?

Hi all i am getting this proccessor and am still not decided on the ram. I was told haswell works best with 1600 and that all 1866 is 1333mhz overcloked to 1866 so its best to get the 1600? I will ...
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1answer
29 views

Windows task scheduler - CPU temperature trigger

Is possible to run a task on the Windows task scheduler when the cpu reaches a certain temperature? If it's not possible what are the alternatives?
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1answer
33 views

CPU keeps reporting overheating after reinstalling fan

I'm going to try and make this concise: I remove the side plate of my father's computer, who reported it to spontaneously turn itself off after minutes of work (or sooner) and see the CPU heatsink ...
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0answers
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VirtualBox uses too much CPU on Windows 7

I was reading about http://skeptics.stackexchange.com/questions/22630/is-google-chrome-killing-my-laptop-battery and stumbled across the ClockRes App If I run this code: @echo off :AGAIN call ...
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What are the technical differences between the FM1, FM2 and FM2+ AMD Sockets

What are the technical difference improvements between the AMD FM1, FM2 and FM2+ Sockets?