The part of a computer responsible for performing computations, often referred to as a processor.
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3 views
CPU run only at limited frequency
After upgrade to new CPU I have found that CPU is not running at max. frequency. I looked BIOS and I found that values in it are correct, i.e. value for normal frequency and value for boosted ...
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1answer
18 views
Windows 10 migration to new CPU
If I change my CPU to new one what shall I have to do about to make Windows 10 continue function?
It is no problem to use any software included the paid ones. I have read some articles saying nothing ...
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0answers
19 views
Why is memory (still) dependent on the chipset?
I understand that nowadays memory controllers are integrated into the CPUs. So why is it that the chipset on the mainboard has to support anything RAM-related?
I would like to understand what the ...
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0answers
8 views
Sony Vaio VPCF236FM Processor get low speed
i have Sony Vaio VPCF236FM.
My processor i7 (2.20Ghr) my current core speed now is (0.8Ghr)..
i had tried every solution it could be like ( throttling - power option - BIOS - thermal paste - clean ...
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0answers
13 views
Stressing CPU and reading BusyBox top output on the Ultimate Boot CD
I have to test a computer's CPU and power supply stability, the CPU is an i3-2120, it has 2 cores and 4 threads.
I'm currently using the Ultimate Boot CD to do so.
I'm running the Mersenne Prime ...
-1
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1answer
37 views
How slow can a CPU run? [on hold]
Is it possible to run computer CPU at a human speed? May be it would help in developing an intelligent (AI) computer.
As an analogy in various sport slow movement is much harder to achieve than fast ...
2
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2answers
34 views
Is my pc temperature too high?
I have got an HP laptop which, at idle gets at 45 degrees. But when I start a game (like for example total war warhammer on low settings) the temperature goes to around 90-95 degrees. Is this too high ...
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1answer
36 views
Is an i5 7360U really better than an i7 6500U?
I am comparing two computers. I have a thinkpad with a 6th gen i7 (7360U) and I am pretty happy with it. I use it mostly for software development.
I am going to buy a desktop computer (a iMac). There ...
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1answer
24 views
If /proc/cpuinfo shows X processors and Y cores, then is the number of threads X*Y?
My /proc/cpuinfo shows 16 processors and 8 cores.
For example, the last processor looks like the image below.
My coworker explained this /pro/cpuinfo information as there being 16 virtual cpus, and 8 ...
1
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1answer
28 views
Computer Shuts itself down, event log gives no info
This has been a reoccurring problem that has gotten significantly worse recently. The event log doesn't list what caused the shutdown, just says computer shut itself down.
I opened up the computer ...
1
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0answers
45 views
Will M.2 NVMe or itegrated graphics slow discrete graphics cards
I'm about to build Linux machine for Deep Learning.
Relevant parts:
ASRock Z270 KILLER SLI/AC
Core i7 7700
2x GTX 1060
1TB M.2 Evo 850 NVMe SSD
Deep Learning involves running CUDA based algorithms ...
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votes
1answer
51 views
Is an Intel i5 always better than an Intel Atom?
I am looking to buy a (Windows) laptop. I know a little bit about computers, but there is a dizzying array of different Intel cores available.
In my mind, an Intel Atom is 8-year-old technology - and ...
1
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0answers
33 views
Does the Intel Core i7-7700 run cooler than the i7-7700k
The specifications of the Intel Core i7-7700 state that it has a TDP of 65W. The data sheet of the Core i7-7700K on the other hand says that that processor has a TDP of 91W, which would mean that it ...
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0answers
9 views
How do I disable the AlertHelper temperature pop-ups?
When my computer gets to a certain temperature it starts showing me pop-ups for the temperature very frequently (something like every 15-30 seconds). This becomes very irritating, especially when ...
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1answer
46 views
CPU or Disk bottleneck?
Say I have machine A and B, where machine B has a moderately faster disk but a comparable processor to machine A, everything else is the same. I perform a large Spark job locally on both machines ...
-1
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0answers
18 views
How does the cpu send instructions/data to the gpu then screen? [on hold]
I have started looking at assembly language and have managed to understand how you can instruct the cpu to add two numbers from two registers or compare them etc. I know that you can instruct the cpu ...
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1answer
20 views
Can I re-use a “plug-and-play” CPU liquid cooling setup?
I'm wondering if I want to upgrade my CPU sometime down the road, would I have to scrap my existing liquid cooling? Note: it is not a custom liquid cooling setup, it is a pre-built plug and play ...
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0answers
18 views
High CPU in Chrome and Firefox on Xubuntu 16.04
Been having a frustrating performance issue on Xubuntu 16.04: browsers (both Chrome and Firefox) are causing big CPU spikes when anything is happening on-screen, which settle down as soon as the ...
-1
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0answers
43 views
I7 7500U enough for 4 vm's? [closed]
I want to buy a new laptop. For my IT studies next year I'll need to run 4 virtual machines (1 windows server, 1 linux server, 1 windows os and a firewall) I don't really know what we will exactly do ...
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2answers
52 views
with which intel processor do you compare AMD A8-7410 Quad Core?
I never had a laptop with AMD processor. I found a very good laptop with AMD A8-7410 Quad Core 4x2.40 GHz processor.
I'm not into gaming or video processing, but i do use photoshop, illustrator and ...
70
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14answers
19k views
Why do we have CPUs with all the cores at the same speeds and not combinations of different speeds?
In general if you are buying a new computer you would determine which processor to buy by what your expected workload will be. Performance in games tends to be determined by single core speed, whereas ...
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0answers
18 views
Upgrading gpu possiblilty [closed]
I own a hp pavilion p7-1247c desktop computer with AMD a8-3820 APU with 2.5Ghz. It's graphics right now is AMD Radeon HD 6550D. The motherboard is pegatron 2acd (http://www.findlaptopdriver.com/...
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0answers
23 views
Measure ram speed for application/ current speed utilization
Is there a way to measure the current ram speed?
I have an application which needs a lot of ram and I'm tuning performance and it looks like I have hit the limit of ram speed, but I have to measure it ...
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0answers
23 views
Lenovo T430 temperature issues? Fan control for Linux?
> sensors
coretemp-isa-0000
Adapter: ISA adapter
Package id 0: +63.0°C (high = +87.0°C, crit = +105.0°C)
Core 0: +54.0°C (high = +87.0°C, crit = +105.0°C)
Core 1: +64.0°C (high =...
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0answers
32 views
Reset motherboard after going over the limit of PSU?
I believe my computer shut down last night because it power draw went over the limit of my PSU (1000W EVGA).
After removing GPU that draws too much power and turning everything back on, motherboard ...
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1answer
36 views
Turbo boost not really Turbo boosting
From what I understand Intel Turbo Boost "accelerates processor [...], automatically allowing processor cores to run faster than the rated operating frequency if they’re operating below power, current,...
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2answers
99 views
How can I have my GPU do some of my processor's work? [duplicate]
I want my GPU to be able to do some of my processor's work when I'm playing games or doing tasks like that.
My processor is an AMD FX-4200 running at 4.1 GHz and my GPU is a NVIDIA GeForce GTX ...
1
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0answers
25 views
Impact of number of environment variables on process startup time
I am exporting 30,000 environment variables before starting up a process and I see a huge start up time for the process.
uruddarraju$ for i in {1..30000}; do export KUBE_SVC_${i}=443; export ...
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votes
1answer
28 views
Can any VM software simulate SSE 4.2 on a machine that does not have it?
I am using Intel Core2 Duo which has only SSE 4.1. Is there any VM software that can simulate SSE 4.2 instructions on such a machine? I don't need performance; I just hope some software think it is ...
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1answer
26 views
Is this a sign of a failing CPU?
Seems like my Alienware 17R3 bit the dust. I think my CPU went bad. I am about to reinstall the bios because at this point I have already reset it and no improvements. I have tried top re-install/...
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0answers
29 views
'Unlocked' Xeon x5675 won't overclock on Asus Rampage III Gene
I recently bought a bundle with an Asus Rampage III Gene, Xeon X5675 and DDR3-2000 RAM. I know the CPU to be unlocked, but the BIOS won't allow overclocking, and says the RAM speed is limited to ...
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0answers
17 views
How to know system specs to upgrade current RAM (2 GB) to 4GB in linux?
My current system spec are :
64 bit ubuntu 16.04 OS
2 GB RAM
Pentium(R) Dual-Core CPU E5500 @ 2.80GHz × 2 PROCESSOR
ASUS P5G41C-M LX motherboard
I have checked about specs for installing memory on ...
1
vote
1answer
25 views
Laptop cooling fan making a griding noise at low temperatures
When I use my laptop while the A/C is on (temperature around 27-28), the fan starts making a grinding noise. This does not happen when the temperatures are high. Further, the CPU's temperatures are ...
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2answers
53 views
Processor speed locked at low GHz after computer runs for a few minutes
Lately I realize that my Processor speed will reduce and locked at some level after some minutes I ran the Computer (0.8GHz). When I first run the Computer, my Processor speed is doing fine(1.5GHz), ...
3
votes
2answers
107 views
FFMPEG multiple outputs performance (Single instance vs Multiple instances)
I am working on creating multiple encoded streams from the single file input (.mp4). Input stream has no audio.
Each encoded stream is created by cropping different part of the input and then encoded ...
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0answers
33 views
How can I measure disk I/O waiting time for an active CPU?
There are already many tools to measure the % of the CPU waiting time during I/O operations, like dstat. Nevertheless, I am looking for a way to measure the waiting time % of the active cores.
In ...
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1answer
31 views
My cpu Always runs on high clock speed although usage is low
My PC is a Toshiba satellite L55 with an Intel core i5 running windows 10, and the maximum clock speed is 2.4GHz. It has been running good and the clock speed used to increase with the usage ...
0
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0answers
22 views
httpd and sshd commands using 100% CPU
I have a production server with Ubuntu OS in AWS. For few months am observing some suspicious behaviour from ssh and HTTPd. Suddenly these process starts to use 100% of CPU and if I kill these process ...
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0answers
25 views
bad connector on board
I have a question, I recently got a board and it would not power on but would turn the power supply on when power button was pressed, I traced the issue to the 8 pin cpu connector on the board and ...
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0answers
42 views
CPU temp at 105° C (bad readings)
When I start my PC (Gigabyte H77M-D3H + i5 3570k) every temperature monitoring app I use says it's running on 50-60. When I start playing a game, it raises up to 100, but it never goes above 105.
I ...
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0answers
17 views
P5q3 deluxe not powering any connected devices
Hello I am using an Asus p5q3 deluxe wifi for a Xeon lga 775 to 771 mod. I modded the cpu and put it in but when I power on the machine the board will not post nor will it power any fans connected to ...
0
votes
1answer
25 views
What does machdep stand for in sysctl machdep.cpu?
Trying to learn about the hardware configuration of my mac, I came accross the sysctl utility that has the very information machdep module. Just wondered if anyone know what it referred to, i.e. ...
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1answer
52 views
My custom built computer overheats for no apparent reason
I purchased computer parts and assembled the computer myself. The build is this one: Part List.
After installing the operating system (Windows 10) and drivers I noticed that my idle temperature was ...
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1answer
33 views
Computer only POST's with 1 mem stick in socket dimm_B1
I've been troubleshooting this for months now without resolve. If anyone has any ideas I would greatly appreciate it. I'm completely lost at what to do next.
Problem
I moved into a new place with ...
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0answers
38 views
VMware Player 12 improving performance?
First, just want to mention that I just have basic knowledge on this software so please bear with me!
I am running a program that is a single core hog, on my host PC and two virtual machines for a ...
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0answers
26 views
Win 8.1 Disconnecting From Monitor & Keyboard/Mouse
I've been having this issue that seems to have arisen after updating an Intel graphics card, but then rolling back to a previous version after other issues arose.
In short: After some time in ...
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0answers
24 views
System only recognizes 24GB of RAM, won't boot depending on BIOS settings
Until now, my computer ran with 16 GB (2x8) of RAM just fine with the default optimized BIOS settings. Now I wanted to upgrade with another pair of 2x8GB, but as soon as I insert them, the computer ...
-1
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0answers
28 views
How do I change heat sink from motherboard. It is too much heated?
I have used the thermal grease above the processor and cooling fan but my system is still over heating . My heat sink have got problem . How to fix or replace it from motherboard?
19
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5answers
6k views
If a CPU has a 16 bit address bus and 8 bit words, how much memory can it address?
I am studying for a end of semester exam and am confused with the following question. If a CPU has a 16bit address bus and 8 bit words, how much memory in KB's can it address? My understanding would ...
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0answers
159 views
Launchd on OSX has high cpu usage
I am trying to find the cause of excessively high CPU and fan usage on my MacBook Pro. I have noticed this line in the console, this is repeated in the entire system.log. I don't know really what else ...
