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

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computer won't POST / locks up

A few months ago I cleaned my computer out by removing the heatsink and CPU and applying new thermal paste, etc. I blew everything out with air, and so on. Now the computer won't usually POST unless ...
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1answer
35 views

Is it possible to run 2 different motherboards in parallel? [on hold]

I want to run a motherboard with a 64-bit CPU and another motherboard with a 32-bit CPU etc. etc. in parallel to form a kind of "Super PC" for my hard core games. Question 1 Is it possible in ...
-3
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0answers
17 views

Building a computer for running finite element software [on hold]

I'm looking to build a machine for running finite element software, particularly Autodesk Simulation. My current machine is too slow and I'm looking for recommendations for a new (near) complete ...
3
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4answers
435 views

How to limit CPU consumtion of a process group with standard GNU/Linux tools?

I have a bunch of processes of the same name - they take up 100% of my CPU time, I want this to be no more than 50%. How can I do this without installing any extra software?
0
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0answers
15 views

digitalocean server cpu is 75% all the time [migrated]

I have a nice server in digital ocean, it's the 1GB ram size. It has installed: php, mysql, nginx, supervisored, beanstalkd as I installed. But the problem is the I see that all the time the cpu is ...
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1answer
20 views

Can a processor which support DDR3-1600 type of memory also support lower frequency memories?

I want to buy a RAM for "AMD Athlon 5350" processor with specs as mentioned on the link http://www.amd.com/en-us/products/processors/desktop/athlon#. In specification it is written as it will ...
0
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1answer
16 views

Intel Broadwell Power Consumption and Clock Speed

I'm configuring a new MacBook Pro 15″ 2015 and wanted to know if the processor speed affects the battery life (power consumption) assuming that the work load is identical? 2.5GHz Quad-core Intel Core ...
-1
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0answers
41 views

What is meant by a 32-bit PC vs. 64-bit PC?

What is exactly meant by 32-bit PC and 64-bit PC? Why does 32-bit software run on 64-bit PCs, but 64-bit software doesn't run on 32-bit machines? A 64-bit instruction set is written as 'x64'. Why is ...
1
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1answer
39 views

How to view total CPU and memory usage of per system user in Linux

I know the top command to see the process of CPU and memory usage, but some users of the system can generate a lot of processes, if I wanna know total CPU and memory usage of an user,I must count it ...
0
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0answers
57 views

Overheating issues, even after suggested remedies

So my computer/Server is overheating on a regular basis, I thought that the issue might be the thermal compound on the heatsink, so I have replaced that (just 20 minutes ago), that seems to have done ...
-4
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0answers
41 views

Why are high-end laptops and desktops so close in benchmark performance nowadays? [on hold]

When comparing Geekbench results for the top-of-the-line MacBook Pro with e.g. an Intel i7-4790 system, then the scores are not that different, even though the desktop sports 3.6 GHz whereas the ...
-4
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0answers
20 views

CPU quad-core price comparison [on hold]

So, I want to buy a computer that has a quad-core processor, and I specifically want it because I do computer renders with Blender. Having a quad-core processor will significantly help rendering. ...
0
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0answers
38 views

Abnormally high CPU temperature

My laptop's CPU is too hot, ~93-97° C, nothing major is running, only Google Chrome. SpeedFan and Open Hardware Monitor don't detect any fans, so I can't even see their speed. Is there any way to ...
10
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2answers
450 views

What happens when laptops reach 100% charge?

I have been reading alot of mixed views on how Lithium Ion batteries work when it comes to laptops. I have the new dell xps 15, with an intel i7 cpu, 16gb ram, and a 512gb ssd. Is it bad for the ...
0
votes
1answer
20 views

VT-x on 4790 on H97-D3H-CF

I am trying to enable VT-x on a 4790 CPU and a H97-D3H-CF mainboard to be able to run virtualbox/vagrant. The Intel Processor Identification Utility lists "Intel(R) Virtualization Technology: No". I ...
0
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0answers
36 views

100% processor utilization with multiple executions of CSISYNCCLIENT.EXE and MSOSYNC.EXE

When I install MS Office 365, my processor runs systematically at 100%. When I look at Windows7 task manager, two processes are executed in multiple times : CSISYNCCLIENT.EXE and MSOSYNC.EXE. Would ...
0
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1answer
22 views

How can I optimize linux for encoding lots of video or a set of the same cpu intensive tasks?

I have a set of 4-5 machines which almost exclusively encode video all day, and sometimes all night too. I've searched many times to find ways to optimize them for this purpose, but not had any ...
0
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1answer
46 views

Force ffmpeg to use 100% of CPU

I'm using ffmpeg to extract frames from video, but the process is so slow. Looking at CPU usage I see that ffmpeg use only 50% of my CPU. I've tried also to add -threads 4, but it seems it doesn't ...
2
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1answer
27 views

Noise coming from HDD or CPU in headphones

I hear weird high sounds coming from my headphones. It is obvious that it has something to do with HDD or CPU because it's highlight sounds are heard when I it is writing data on HDD but also many ...
0
votes
1answer
32 views

Netbook not working properly

I am having a netbook of dell inspiron mini with specifications- Operating System: Windows 7 Starter 32-bit (6.1, Build 7601) Service Pack 1 System Model: Inspiron 1018 Processor: Intel(R) Atom(TM) ...
0
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3answers
55 views

Why is my computer so slow s:

I've had this problem for so long and it's annoying me. Everyone says my computer is bad but I dont get it. on Runescape I get 4 FPS. On LoL my computer just crashes and Skyrim is insanely laggy and ...
0
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0answers
13 views

Excessive cpu usage of process : Intel(R) Dynamic Platform and Thermal Framework Utility Application

I bought a new pc (a notebook) but now I have a problem, there is installated a program called "Intel(R) Dynamic Platform and Thermal Framework Utility Application". It often uses the 20/30 % of my ...
0
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1answer
26 views

Is the amount of NUMA nodes always equal to sockets?

I have used lscpu to check two servers configuration: [root@localhost ~]# lscpu Architecture: x86_64 ...... Core(s) per socket: 1 Socket(s): 1 NUMA node(s): 1 ...
2
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2answers
36 views

How does Triple Channel memory differ from Single or Dual?

I'm trying to understand the PHYSICAL difference on the motherboard when it comes to single, dual, triple and quad channel memory. I have a mobo that has 4 black memory slots, each one contains 4GB ...
0
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1answer
40 views

Why does my CPU not use it's full TDP wattage potential?

I have an Intel Core i7 3610QM (Ivy Bridge) in my laptop. According to Core Temp, the TDP (thermal design power) is 45 watts. However, when turbo boosting to the max (3.1 GHZ) on all 8 threads with ...
2
votes
1answer
77 views

Windows 7, cpu at 100%, netsh.exe, node.exe

I'm having a strange problem with my cpu usage. I've seen similar complaints elsewhere, but no real solution. Whatever software I am using, my CPU seems to max out to 100% with seemingly useless ...
0
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4answers
79 views

Some basic questions about Processor and OS? [closed]

I need an explanation, I have a computer with a processor : Intel Core i7-3770 CPU @ 3.40 Ghz 3.40 Ghz Does this mean I have two processors with a clock rate 3.40 Ghz each ?? Is this a Core ...
0
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0answers
57 views

In Google Chrome browser, why does Gmail use so much of the CPU when hardware acceleration is enabled?

Here's a screenshot of the issue. On the right, Windows Task Manager showing high Chrome CPU usage. On the left, Chrome's Task Manager showing it's all coming from the Gmail tab. If Hardware ...
0
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0answers
5 views

Figure out why the “System” process on Android is using a lot of CPU [migrated]

I have a Samsung Galaxy S5 with Android Lollipop. My phone was feeling sluggish. Using an app called "OS Monitor", I see that the "System" process (not to be confused with "Android System") is using ...
4
votes
1answer
63 views

Is there a way to reduce the CPU usage of a Gmail tab in Chrome browser?

This is driving me crazy and I hope you can help. Here's a screenshot of the issue. On the right, Windows Task Manager showing high Chrome CPU usage. On the left, Chrome's Task Manager showing it's ...
2
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1answer
40 views

If a pin was bent during CPU installation would the machine have started at all?

Realistically, if a Pin was bent during install would it have turned on and ran for 30 minutes or so before cutting out, or would it just have not started even once? The machine turned on first time, ...
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1answer
32 views

which sockets can be used to change cpus?

Since it's possible to replace cpus with the same sockets, for example lga 1150 sockets, would it work on bga sockets too? Or would the cpu go bad?
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2answers
37 views

Getting a new PC built and I have some questions [closed]

In a couple of weeks I will get a new PC built and I wanted to ask if I could re-use some of the old components in the new one, since I'm on a 600- 650 euro budget. The old parts were regulary cleaned ...
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1answer
27 views

How is addressing done of L1/L2/L3 cpu caches vs. ram allocation? [closed]

As cache sizes on cpus increase, how is it managed vs. RAM? Do considerations need to be made while making an application to ensure you're getting the most out of your Cache or is that completely at ...
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2answers
46 views

Can i use android processor like folding@Home to boost an old laptop?

Android devices are so powerful today you can virtually use it as a stand-alone desktop. I have an old Acer 5515 laptop with a single core AMD processor and I also have a quad-code android and i want ...
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1answer
59 views
+100

Use a Video Card (GeForce 9800GT) and a AMD 5150 processor with Radeon R3

I have a GeForce 9800GT video card, I use it for over a year with my old Intel powered machine. But my processor died so I bought a new processor (APU AMD Athlon 5150) and a new MB (ASRock AM1B-M). ...
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0answers
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CPU Limitations from Bus Speed

When iterating through an array larger than the cpu's cache, does a modern processor/motherboard load/save new elements of the array in parallel with computation of those elements or does loading data ...
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2answers
40 views

How much important CPU and Motherboard are in a gaming perspective? [closed]

A friend of mine offered me a GTX Titan X, to include in my current setup. (Potential) problem is : my CPU is an Intel Core i5 3570K (@ 3.4GHz), and my motherboard is a MSI ""gaming"" (what's that ...
0
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1answer
40 views

Windows 7 comes to a near-halt every week and then flushes memory

I have a very strange issue that's been puzzling me for a long time. I have a Windows 7 system with 16GB RAM. Every week or so, usually at some point during the first few days of the week, and at a ...
3
votes
2answers
82 views

Building a new PC - PCI-E lanes and how do they work

I'm looking to build a new gaming PC that will last a while. I want to use a PCI-E x8 SSD + GTX 780 SLI in this build. Now i'm looking around on the web to see what i need to support this in terms of ...
1
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3answers
90 views

Running my laptop without CPU fan for i7 3630M for 24-hour period under mostly light use - what could go wrong? [closed]

My Lenovo laptop (Y500 I believe) has been bugging the living daylights out of me for months. The CPU fan kept going wild, spinning unpredictably, making a horrible noise, and actually slowing my PC ...
-1
votes
1answer
74 views

Does a faster processor noticeably increase speed in web page serve and load from localhost? [duplicate]

I am a web developer getting a new computer. Right now I am deciding between two laptops - one that has 32gb ram but a slower processor, and one with 16gb ram (can't be upgraded further) but a faster ...
1
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4answers
75 views

Machine too slow

My PC (a Lenovo Laptop) is used for software-development, website-dev, graphics work etc., so there is quite a bit of stuff installed and running. Yesterday I tried to import a MySQL-Dump (100 MB) ...
1
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2answers
68 views

If a 32 bit CPU has a 64bit bus system, is it 64 bit or 32 bit?

Let's say the internal registers of a CPU are 32 bits wide. But the CPU has a 64 bit system bus and the two separate pipelines are receiving information simultaneously, is it considered a 32bit ...
1
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0answers
15 views

How can cpu-intensive processes slow down a system despite having a scheduler?

I've encountered it on both Windows and Linux that if some process is doing some heavy work and the cpu is under a lot of stress, the whole system can sort of freeze, other processes get slow, etc. ...
3
votes
1answer
114 views

Dell Laptop - 100% CPU usage when using Docking station

Update 2: On further investigation, I have reproduced the issue on my windows side. I put the laptop on the dock while in sleep mode and woke it to find it climbing to 100% cpu usage. removing from ...
0
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1answer
16 views

A way to tell how much cumulative processing a script uses

I was going to install a script on my web hosting account, and they said they were concerned that it would take too much CPU to run. I know you can monitor the instantaneous use of a process with ...
1
vote
1answer
91 views

CPU is hot and CPU fan making very many RPMs and much noise. (CPU fan not listed in speedfan)

On Saturday I replaced the motherboard of my computer because my old motherboard wasn't working anymore. Everything went well, and after some tries my PC was booting and working! I noticed the CPU fan ...
1
vote
1answer
60 views

What specs should I consider for playing/streaming 4K to 8K video perfectly? [closed]

I am buying a massive, 4K screen, and might consider one closer to 8K instead. Since these screens are very capable of rendering the full brink of every pixel sent to it by a powerful GPU, what specs, ...
1
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0answers
54 views

How to diagnose slow (only for awhile after start) Windows 7 machine?

I've got a Lenovo Ideapad, with a dual core Atom processor and Windows 7 that exhibits some odd behaviour. It's insanely slow right after boot. The disk drive will be lit up solid and grinding away ...