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

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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 ...
2
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3answers
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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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2answers
121 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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1answer
141 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 ...
0
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1answer
77 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 ...
0
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1answer
103 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 ...
0
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0answers
73 views

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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0answers
25 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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0answers
80 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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1answer
49 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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2answers
53 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
59 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 ...
1
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1answer
160 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, ...
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1answer
192 views

AMD Processor Model Unknown

I just updated my processor on http://www.newegg.com/Product/Product.aspx?Item=N82E16813128394 GIGABYTE GA-MA785GM-US2H AM3/AM2+/AM2 AMD from a AMD Athlon II X2 240 Regor Dual-Core 2.8GHz ...
51
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5answers
7k views

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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2answers
875 views

Reduce CPU consumtion of Avira Antivirus on Windows?

I'm using Avira AntiVirus on an old Windows XP (home edition) PC. Since they launched the new version last year it consumes a lot of CPU. Are there any settings to reduce that consumtion? There are ...
0
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1answer
51 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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2answers
215 views

How many bytes a 64 bit processor processes?

This is from an interview question - http://www.glassdoor.com/Interview/Yelp-Software-Engineering-Intern-Interview-Questions-EI_IE43314.0,4_KO5,32_IP4.htm "there is not more than one way to answer ...
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1answer
83 views

Ubuntu 12.04 and 14.04 Overheating

I got pissed off at Windows. I replaced him with Ubuntu 12.04. I downloaded an Ubuntu 12.04(amd64).iso and made it bootable by USB stick. I removed W7 and installed Ubuntu. Though, I was feeling my ...
0
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1answer
77 views

Clock speed vs. number of cores for parallelized computer simulation [duplicate]

My question is similar to some "speed vs. cores"-questions that have already been asked on this website. However, I am interested in some very specific and technical points. So I hope that my question ...
0
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3answers
59 views

Laptop getting very hot

I have a friends laptop, a Compaq CQ62, that I feel is getting to hot. The average temperature when it is sitting there doing nothing is 75 degrees celsius, and that is with the fan on high speed. ...
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4answers
5k views

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
62 views

What does “Intel Pentium 4” in system requirements mean?

I'm planing to buy a new notebook to do some animation with Adobe Flash CS 6 on it. Adobe claims a Intel® Pentium® 4 or AMD Athlon® 64 processor is required to run the program. I don't know much about ...
6
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1answer
400 views

Chrome uses 100% cpu on youtube after update

Chrome 40 is using 100% cpu when playing youtube videos full screen My CPU is core i5 @ 2ghz with intel 4400 gfx card. it should be able to play them and I dont remember having this issue b4 Chrome ...
3
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1answer
121 views

Why does my non-hyperthreading enabled CPU claim it has hyperthreading?

I was checking my processor for the aesni (hardware aes, "aes" flag) when I discovered the "ht" flag. This, on i7 processors denotes the CPU's ability to do hyperthreading, however, since I own a ...
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1answer
51 views

AMD processor families and models

I want to use hardware performance monitors on my AMD Opteron 6376 processor. Unfortunately, AMD has many manuals and I can't figure out which one I need from this (partial) list: ...
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0answers
81 views

Does the ASUS P7P55D Motherboard support the 4th generation Intel Core i5 processor?

I have a PC I built based on the ASUS P7P55D motherboard. Currently it has an Intel Core i5-750 LGA1156 processor in it, a 3rd generation processor. I just found out that to run the Intel RealSense ...
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0answers
38 views

PHP - MSSQL configurations cause slow performance [closed]

I have a problem in my project using PHP and MSSQL. I have the following configurations: 64 GB Ram 16 CPU Intel Xeon SQL Server 16 GB Ram 4 CPU Intel Xeon Web Server And I have the following code: ...
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1answer
23 views

Can SMT give worse performance than normal CPU?

Is there any chance of SMT (simultaneous multithreading) having worse performance than normal CPU? For example, is it possible for a normal CPU to run two programs one by one and have better ...
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0answers
27 views

Any case where simultaneous multithreading is worse than normal case? [duplicate]

Is there any chance of SMT (simultaneous multithrading) giving worse performance than normal CPU? For example, is it possible for normal CPU to two programs one by one to have better performance than ...
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2answers
61 views

Should I be worried about these temperatures (Australian hot weather)

I've got a relatively old PC with some new SDDs and HDDs added recently. The weather in Western Australia has been hot recently, with temperatures in the high 30s-low 40s (Centigrade). I could hear ...
0
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0answers
329 views

how to solve burning cpu message in Console

When I run Google Earth or any viewer for Second Life, and it shows 3D imagery, the Console shows a message like the following: 26-01-15 19:51:58,000 kernel[0]: process Google Earth[5427] thread ...
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0answers
11 views

Using Nzxt pp500w psu with new hardware - Safe?

I have Nzxt pp500w psu with Nzxt alpha Case. I'm planning an upgrade to the CPU and the motherboard to the following comination: Intel Core i5 4460 3.1Ghz (3.3Ghz Turbo) LGA1150 Arctic Cooling ...
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0answers
24 views

Tool similar to `strace` but for CPU instructions

I am hoping to find something similar to strace which will yield the instructions used by the CPU. For example, I have a simple loop which calculates a sum and prints out every tenth iteration float ...
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1answer
87 views

What causes System Idle Process to run down my CPU so much [duplicate]

I noticed my laptop was being a bit unresponsive so I checked the processes tab and found that System Idle Process is using nearly all of my CPU power. Why is this happening and how do I stop it?
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3answers
2k views

When is CPU cache flushed back to main memory?

If I have a CPU with two cores, each core has it's own L1 cache, is it possible that Core1 and Core2 caches a same part of memory at the same time? If it is possible, what the value of the main memory ...
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1answer
87 views

What's special about Prime95's torture testing?

Overclockers often use Prime95's Torture Test to stress-test their CPUs, but what I don't understand is that why overclockers don't prefer other programs that stress CPU to 100%, for example, anyone ...
0
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1answer
105 views

CPU and RAM upgrades Inspiron 13 7347 [closed]

I have a Dell Inspiron 13, 7347 i3 (4010U) 2 in 1 laptop. Can I upgrade to a faster CPU (i5 4210U) and if so are there any advantages to doing so (i.e. ability to increase RAM or get better screen ...
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2answers
2k 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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0answers
79 views

Need illustrated advice on Socket P/Merom BSEL mod

I have got Intel T2370(133FSB/Socket P/Merom) CPU and ASUS F5SL(SIS chipset) laptop. I see those as perfect candidates for BSEL pinmod yet I can't find detailed sure description on how to do it. ...
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0answers
62 views

Will this processor work fine with my integrated graphics chipset?

Trying to upgrade my processor from a core 2 duo to a core 2 extreme quad core but can't seem to find anything that says if they're compatible and don't want to spend the money on a processor that ...
0
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0answers
37 views

AMD CPUs starting to heat more over time?

I'm struggling with the problem for some time now, maybe here is anybody who could answer or give any hint about my observations. I'm using various AMD CPUs since old K6 architecture. I always found ...
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1answer
67 views

What are CPU time, user time, system time respectively?

I find someone asked a similar question, but my problem is NOT user-cpu-time, but user time vs system time vs cpu time. For example, the following info is what I got after a simulation on Linux: User ...
0
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0answers
159 views

cpu idle state - power plan windows - high pitched noise

I have a Dell XPS 15 9530. One famous problem is the "coil whine" or "high pitched noise" issue. The noise only occurs when (a) the cpu is in IDLE, (b) battery is fully charged. This suggests that ...
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1answer
53 views

Computer wont start (even to bios)

My laptop (Lenovo G580) just wont start. I can't enter even to BIOS. With power supply everything is OK. I tried to boot w\out battery. Nothing changes. RAM: 4GB. laptop is Not overclocked. I also ...
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1answer
44 views

Why the number of CPU's so Large

I was installing Android studio and just so that I could delete the process I had my Task manager open and Saw that the CPU number was reaching 40 somethimes. How is this done, are multiple CPU ...
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1answer
216 views

Ruby using 100% CPU on OSX

I'm doing web development and have Ruby running a bunch of tasks.. Grunt serve, Sublime plugins, Brew etc... Nothing fancy. Just some npm installs and a grunt serve command inherited from ...
12
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2answers
2k views

Determine which CPU a process is running on

Using Sysinternals' Process Explorer, is there a column that can be used to indicate which CPU a process is running on? If no column, is there some other way?
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1answer
156 views

Django's dev server causes permanent high CPU load with Python 3

Django's development server runs under Python 2.7.5 (on Windows 7) with a rather constant (idle) load of about 1-3% on my test system - no page loads or other calculations done. Switching to Python ...
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1answer
87 views

Does a graphics card affect video playback?

I'm looking at buying a new laptop, primarily for playing movies with VLC, browsing, using Microsoft Office, and a bit of coding. The trouble I had with my old laptop, (a dual core celeron running ...