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

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141 views

Slow Harddrive is Dragging the System

I have an HP Pro 3000 SFF running Window 8.1 Update 1 & Ubuntu 14.04 LTS. It uses an Intel G45s Chipset, a Hitachi HDS721050CLA362 500 GB harddrive, an Intel Core 2 Duo E8400 processor, and has 4 ...
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2answers
45 views

What is the meaning of CPU core?

My system processor is Intel Pentium(R) Dual-Core CPU E5300 @ 2.60GHz. My processor speed is 2.6 GHz as mentioned in process name. The processor name tells this is dual core. My doubt is: ...
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1answer
53 views

Why does my computer run slow if it is not using most of its CPU or RAM?

I have two machines - a relatively cheap laptop and a high end desktop. My laptop sometimes runs slowly doing various tasks that would be quick on my desktop. My first guess is that I'm using most of ...
0
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2answers
18 views

Loud Noisy (CPU Watercooler?) Fans

I have an issue with my computer lately, I built my computer 3 months ago and I assume my CPU watercooler fan is getting louder. I have a Corsair H100i Watercooler, Intel Core i5-3570k CPU, ASRock Z77 ...
1
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1answer
23 views

Does my Memory (RAM) socket type need to match my CPU (RAM) socket type?

I am currently trying to build a PC and Have found the hard drive that I want, but now as I look into the memory ((DDR3)) none of the memory I want matches the CPU memory slot type of 1150; all of ...
0
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3answers
65 views

Burning paper with laptop

A few hours ago I was playing a computer game when I noticed smoke coming from next to my laptop. Then I noticed that the stack of paper next to it had begon to smolder. I threw it into a glass of ...
0
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2answers
31 views

How do binary files run on different machines?

I always wondered about how executable binary files actually work. Compilation is always stated as taking the source code and translating it to machine language But what does that really mean? ...
2
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5answers
2k views

Faster processor or more RAM? [closed]

I currently have a low-end Acer laptop with: Intel Pentium CPU B960 2.2GHZ processor 4GB RAM Windows 8 64-bit It runs great until I start Photoshop CS6. That slows it right down, and if ...
6
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4answers
940 views

What determines endianness

I was wondering if endianness only depends on CPU? Does it depends on other hardware, such as memory, secondary storage device? Does it depends on OS? Why in Wikipedia, does it seem to be true? ...
0
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0answers
29 views

OpenGL rendering affects CPU

I have a problem with an app that is slowed down significantly when an openFrameworks based app is launched. Both apps use little cpu and memory, so i don't think there's a bottleneck. I can ...
0
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0answers
13 views

How can I log the CPU usage of one process over a period of time in Windows 7? [duplicate]

How can I log the CPU usage of one process over a period of time in Windows 7? I would be thanksfull for any help!
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0answers
24 views

Should the CPU usage go up to 100% when swap happens on Linux

I had been running a demo system on Linux with the following kernel: 2.6.32-400.1.1.el5uek #1 SMP Mon Jun 25 20:25:08 EDT 2012 x86_64 x86_64 x86_64 GNU/Linux And as soon as swap happens, the CPU ...
0
votes
2answers
712 views

Win 7 w/ 8 GB memory, unable to use more than 4 GB

After much debate, I bought a computer strictly for gaming. It is a Windows 7 64-bit OS and has 8 GB of physical memory, and an AMD FX(tm)-4130 Quad-core processor, and the game itself recommends an ...
0
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2answers
83 views

HP EliteBook 8470p running extremely hot

(tl;dr; see my bold text) I've been using this HP EliteBook 8470p for well over a year - it has an I7 proc with 8gb of RAM and before ever turning it on, I swapped out the HD with a 512gb SSD. I was ...
0
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0answers
12 views

what is the number of operations per cycle for the cortex a57 arm processor?

Im trying to figure out how many double precision operations per cylce a cortex A57 processor can achieve, according to this manual page, there can be upto three instructions per cycle delivered ...
0
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0answers
15 views

HP Compaq 610 cpu fan change

I want to check my CPU fan power port is working. Originally it had 0.2A fan. and it stopped working and i odered a fan and it is 0.5A fan. It is not working when it plug to mother board.External ...
0
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1answer
51 views

Are IRQs registers?

When a device is assigned an IRQ, does that mean that it has sole access to certain registers associated with that IRQ?
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2answers
2k views

Intel turbo boost - in reality

I have an Intel i7-3630QM processor in my laptop. Its speed is supposed to be from 2.4 to 3.4 GHz in turbo boost mode. In reality, will it ever run all cores on full speed (3.4GHz mentioned above) ...
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3answers
2k views

Turning display off makes CPU burn up and fan gets really loud on sony laptop with windows 8

My laptop display will turn off for two reasons: Either I leave my computer idle and the display automatically turns off, or I close my lid and then just the display turns off. When I am using it, my ...
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1answer
42 views

Google Play Music lags when CPU usage is high

For some time, I've been testing with Google Play Music All Access. It works perfectly on my phone, but I have a very annoying issue on my laptop. It seems that when I'm just browsing or developing ...
0
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0answers
565 views

What is AUXTIN temperature indicated by CPUID HWMonitor on ASUSTeK P7P55-M motherboard?

CPUID HWMonitor saying I have high temperature on AUXTIN entry Temperature value is "jumping" in the range +- 10 degrees which hints it is false indication. What is this?
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0answers
9 views

Can I install an AMD Turion X2 64 RM-70 on a Toshiba Satellite L505D-SP6983R?

The original processor was an AMD Turion X2 64 RM-74 (dead) The board is named V000185220 Rev 1.10 This board accepts S1G2 processors, and should accept the RM-70. But I am not so confident when ...
0
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1answer
39 views

Which motherboards/CPUs will work with 4+ GPUs? [closed]

I'd like to build a GPGPU machine with four (or as many as practicable) GPUs. Which motherboard/CPU combinations can support four or more GPUs? Is there some fundamental limitation of 40 PCIe lanes ...
0
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2answers
29 views

Computer is Shutting off Randomly Throughout the Day - Need to Tilt Case to Restart

Throughout the day, my Windows 7 desktop system is shutting down without warning every 2-6 hours or so. The frequency seems to be getting greater, but I'm not yet completely sure of that fact. This is ...
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0answers
16 views

Socket vs Surface CPU temperature for AMD

I looked through 5-10 different suggested questions here and they all dealt with Intel CPUs, and I happen to have an AMD FX 8100 series 8 core CPU. I have also looked through several google results ...
0
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1answer
35 views

i3-2350M at 2.30 GHz vs i7-3517U at 3 GHz [closed]

I am a video editor and render lots of videos. My current processor is an i3-2350M with 2 cores and 4 threads running at 2.30 GHz. It takes absolutely forever to render videos. I'm looking to get an ...
3
votes
1answer
14k views

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 ...
0
votes
1answer
86 views

Why my CPU heavily loaded?

Idle CPU load ranges 30-80%, when performing any tasks - 100%. problem in linux and windows. The computer is not dusty, model acer ao722, fan is working. Sensor shows initial termperature - 57 C, idle ...
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3answers
2k views

Error “VT-x/AMD-V hardware acceleration not available on your system” while trying to run Virtualbox

I have to run Mac OS on virtual box for a class and it keeps giving me errors stating "VT-x/AMD-V hardware acceleration not available on your system. Certain guests (e.g. OS/2 and QNX) require this ...
0
votes
1answer
25 views

Multiple Ffmpeg instances choking up the CPU to 100%

I have a task to record timelapse videos from multiple IP-cameras (e.g. camera1.mp4, camera2.mp4, camera#.mp4,etc.). Currently i am running separate ffmpeg.exe instances simultaneously on an MS Azure ...
0
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1answer
25 views

What proccessing architecture do I have?

I am trying to install Debian on my desktop computer which uses an "Intel Pentium E2200" : http://ark.intel.com/products/33925/Intel-Pentium-Processor-E2200-1M-Cache-2_20-GHz-800-MHz-FSB I need to ...
0
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2answers
30 views

Gaming: Intel Core i5 “S” VS Core i5 non “S” CPU. Will I lose performance due to the base clock?

I would like to know if the Core i5 "S" processors are slower for games, mainly for the fact that their base clocks is lower than the non S processors. For example, the Core i5 2300 has a base clock ...
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5answers
5k views

how can force a prgram to use all of CPU capacity?

I have Windows 7 And a Intel Core-i5 CPU (4Thread) some programs like Firefox, only use up to maximum 25% of All CPU(only 1 Thread) And some programs like Winrar, use up to 100% of All CPU Can ...
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1answer
3k views

How to disable software-initiated overheat shutdown (due to broken sensors) in Windows 8?

A power spike broke the CPU temperature sensor on my motherboard. Memtest86+ runs fine. However, neither Linux nor Windows boots under default options. Windows simply shuts down during boot. Linux ...
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0answers
19 views

Failing CPU, PSU or Motherboard?

So i have a HP desktop and when I press the power button all sounds well (fans, hard drive) but then it turns right back off within 7 seconds. There are No beep Codes, or noises. So I am trying to ...
1
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1answer
2k views

Change CPU Clock Speed from Windows

How can I change the CPU clock speed of my computer? It is a Dell Inspiron 5720 laptop, running Windows 8.1 Pro. In Linux, I know there are ways of doing this from the operating system itself, instead ...
0
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0answers
20 views

How to fetch memory and cpu usage for a process - linux

I wants to fetch all the information about a process ( amount of memory consume, cpu utilization, dump information ) like as displayed in $vmstat I have write down a script but that is not displaying ...
5
votes
3answers
470 views

What is the difference between the number of cores and the number of logical processors? [duplicate]

I have been doing some image processing on my computer using Erdas Imagine. Specifically, I am running a 5x5 median filter on imagery. I can specify the number of processes that occur simultaneously ...
2
votes
1answer
4k views

Hardware issue: computer plays beep sounds at startup, and then turns off

Turns out that after moving, my computer got damaged somehow. I installed my computer 2 days ago. I didn't check the state of the hardware parts and turned the pc on recklessly, not realizing that the ...
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1answer
44 views

Constant beeping with new PSU, no video output

So, my friends computer is not producing video output. The monitor works, I've tried the CPU and RAM inside of my computer, so I know they work. On the initial build we forgot standoffs and the ...
1
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1answer
33 views

Is isopropyl alcohol 90+% safe for cleaning copper heatsinks and processors?

I'm preparing to replace my laptop's CPU and I'm curious about using isopropyl alcohol on both the copper heatsink and CPU. Will I be better off purchasing some special surface purifier? Also, if I ...
206
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12answers
44k views

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 ...
3
votes
3answers
511 views

Compare Intel Processors - Quad Core vs Dual Core [closed]

I have customized hp notebook and I am a bit confused about processors. I prefer quad core since I will have lots of things running simultaneously, web browser, visual studio, ms-sql... But Dual ...
1
vote
2answers
55 views

What direction should the heatsink fan face?

My current setup looks like the following: Rear fan <----- Heatsink Fan <----- Heatsink Case: Arc Midi R2 Heatsink: Scythe Ashura with stock fan I've placed the Fan so it sucks the air out ...
11
votes
7answers
11k views

Where exactly L1, L2 and L3 Caches located in computer?

Where exactly L1, L2 and L3 Caches Located in computer ? I know, we use Cache to increase performance by picking DATA and INSTRUCTIONS from Cache rather than Main Memory. Following are my questions ...
2
votes
1answer
27 views

How do I use linux processor affinity to dedicate 2 cores to user1 and 2 cores to user2?

at first I wanted to dedicate 2 cores(4 threads) to one java PID, and 2 cores(4 threads) to the other. However the volatility of these programs makes me think that they will end up crashing and ...
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votes
1answer
45 views

Diagnosing Motherboard/CPU/ (most likely) GPU

OK, so I am trying to salvage my Mum's old PC for which she had bought a new power supply. After that it worked for a long time. After that time, it wouldn't boot (fans would come on very loud, power ...
4
votes
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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votes
1answer
111 views

Where is the cpu's limit? [closed]

Some years ago, some people said cpus reached their limit, and any improvements were impossible, because of temperature problems And then we got multiple cores ! But again, what are cpu's limit ?? ...
0
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0answers
10 views

I7-3630QM Processor clock ratings

I'm researching a laptop for college, and have a loose set of system specs. I found a laptop that meets most of the requirements with little or no modifications, except the processor isn't what I'm ...