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

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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 ...
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50 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 ...
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40 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 ...
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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. ...
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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 ...
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2answers
409 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 ...
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1answer
16 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 ...
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31 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 ...
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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 ...
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1answer
19 views

Download speed and software/CPU relations?

I notice that downloads on my old, slow, XP machine, using the home Wi-Fi, are slower than downloads from the same connection on my Tegra K1 ARM tablet, which is definitely faster. Using any browser ...
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1answer
45 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 ...
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1answer
26 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 ...
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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) ...
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3answers
52 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 ...
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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 ...
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1answer
25 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 ...
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2answers
34 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 ...
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1answer
36 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
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1answer
75 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 ...
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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 ...
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0answers
55 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 ...
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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 ...
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1answer
60 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 ...
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1answer
38 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
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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
44 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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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
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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 ...
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1answer
39 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 ...
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2answers
78 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 ...
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3answers
87 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 ...
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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 ...
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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) ...
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2answers
64 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 ...
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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. ...
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1answer
109 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 ...
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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 ...
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1answer
90 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
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1answer
59 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, ...
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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 ...
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3answers
58 views

CPU temp is hitting 83 C (181 F) in BIOS: Normal?

My BIOS is reporting that my Intel Core 2 Duo E6400 on a Asus P5B Deluxe is hitting 83 C (181 F). No overclocking. I haven't done anything intensive at all. Just to check SpeedFan hits similar ...
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22 views

What is the proper CPU usage of a process on LInux i.MX6?

I am currently developing an application running on Linux 3.10, for a Freescale i.MX6S (single core). Currently, "top" reports this: top - 03:07:35 up 1:58, 3 users, load average: 0.85, 1.10, ...
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replacing fan for laptop..two square component with thermal pad attached

I am replacing the fan on laptop and next to the CPU are 2 small square components that had a blue thermal pad attached, the pad has started coming apart. question is 1. what are those two items? ...
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37 views

Do virtual machines not allow all host CPU extensions?

For convenience's sake I'm trying to run an otherwise "regular" installation of Gentoo Linux as a guest inside VirtualBox on a Windows 7 host. I bootstrapped the installation by using VirtualBox, ...
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2answers
42 views

How does a CPU decide which transistors to use? [closed]

Perhaps I'm not thinking about this correctly, but when you give the CPU a command such as Multiply Registers (MR) R2,R4 how does it decide which logic gates it will use, is it just the first gates ...
4
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1answer
355 views

Intel Dynamic Platform and Thermal Framework Settings - what exactly do they do?

Despite the fact that virtually all modern Dell laptops (and probably others) are supposed to have the Intel Dynamic Platform & Thermal Framework Driver installed, I couldn't find any end-user ...
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3answers
52 views

Will I perceive speed improvement with more ram?

I have a Toshiba Satellite L855-S5240. The current specs are, Intel® Core™ i5-2450M Processor2.5 GHz, (3.1 GHz with Turbo Boost Technology 2.0), 3MB L3 Cache Mobile Intel® HM76 Express ...