Questions tagged [cpu]
The part of a computer responsible for performing computations, often referred to as a processor.
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CPU Usage of individual processes via TOP/Dumpsys cpuinfo
Context: When I run an Android App alone, I get a CPU Usage of 20% (using dumpsys cpuinfo). However, when I run another app in parallel with it, then the CPU Usages goes down, lets say to 13-12%. I ...
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Is the CPu temperature of my laptop normal?
I'm using Elementary OS.
When I start the laptop in the morning (the laptop is cold), if i run sensors 36° Celsius. After some time, if i open a browser, the speed fan gets to 2000 rpm and the ...
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New Dell Latitude 7480 (2017): Trackpoint (pointing stick), 32 GB RAM? [closed]
I have noticed quite recently that Dell made this machine available: New Latitude 7480, however I'm struggling to find out whether:
is it possible to buy this model with keyboard with track point (...
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Does a higher CPU clock speed compensate for lower cache?
The Athlon X4 860k has a 3.7 GHz clock speed, but the Pentium G3258 can be overclocked to 4.2 GHz.
Does the higher clock speed of the G3258 compensate for the fact that it has 1MB less cache?
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If I buy a motherboard will it have the latest BIOS?
So I’m looking to replace my aging system and so I’m going to go with the latest intel kaby lake CPU line, but I personally can’t justify the cost of getting a z270 motherboard. So I was going to get ...
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How to dump process list during CPU spike or Memory spike in Windows 10?
My machine is a Windows 10 and it freezes for 2 mins, which is really disruptive. The things is that everything is so slow I don't get to see list of process in order to investigate further.
What is ...
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Elgato Game Capture. CPU or GPU for encode/decode?
On my old PC that I use for my Elgato, I am unsure wether I need to use my CPU or GPU for Encoding and Decoding.
The CPU is a Core2 Duo E6550 @2.33GHz. The GPU is a GT 730.
Ya, it's pretty bad. My ...
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What is the difference between processor time and clock time?
I encountered the following section in my operating systems textbook:
At any given point in time, while the program is executing, this
process can be uniquely characterized by a number of ...
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Can a 32 bit OS run in a 64 bit processor?
What's the difference between 32 bit OS and 64 bit OS? Can a 32 bit OS run in a 64 bit processor?
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Maximum ram I can put in a laptop?
I m looking to buy a new cheaper laptop with DDR4 (8gb) and upgrade the RAM after to 32GB DDR4. I will only look for laptops that have processors that can support 32GB and have 2 slots.
So : Can a ...
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High excel cpu and memory usage
When I try to filter an excel table with approx 36000 rows I takes a long while to calculate. When I look at the processor and memory usage, I notice the cpu usage is at 100% and the memory usage ...
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HP folio 9470m fan error on boot
Once i turned on my laptop and the fan had pretty strange noise but i had a cooler connected to laptop as well. I shut it down and turned it on again and everything was okay. Today when i wanted to ...
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CPU Memory type and memory bus frequency [duplicate]
I am reading about computer components to collect for a gaming computer. So far I am thinking of:
ASUS Z170-PRO
Intel® Core™ i7-7700K, and
Corsair Red Vengeance LPX 32GB 3000MHz DDR4
My question is ...
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Replaced FX 4300 with FX 4350, motherboard claims it to be incompatible
My friend got a FX 4350 and replaced his FX 4300, the gigabyte GA-78LMT-S2 motherboard is now claiming the old CPU is incompatible and it underclocks it, completely removing the purpose of using the ...
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What is meant by, "saving clock cycles could make a substantial difference in execution time"?
The following text is discussing the historical development of UNIX:
The next important milestone was the rewriting of UNIX in the
programming language C. This was an unheard-of strategy at the ...
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What is the maximum limit of ssh connections to a linux box
Configuration assumption:
2 core CPU
4 GB RAM
HDD: 20 GB
Question I:
I want to know at least the approximate connections that we can establish for the Linux machine
I know we can set the max ssh ...
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How to build a supercomputer by linking common PCs on a network?
Fellows,
I have several computers, some new, some old ( I collect them, since my first one, which has 2Kbytes of RAM, from 1979 ). The collection is getting huge, but the purpose of this question is ...
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clockgen – changed RAM speed in BIOS – no POST, dg41cn, E2180 Intel
My desktop computer uses an Intel dg41cn motherboard with a E2180 processor and 1 GB of RAM.
I tried to raise the processor frequency (GHz) and the system restarted. I then went to the BIOS. In the ...
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cpu over description with ganeti
first of all happy new year every body :) I am planing a Ganeti cluster with 10-12 virtual machines, I assume the workload will be very low since its running in my home lab, so allocating one vcpu to ...
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Is there any chance that LGA771 Xeon CPU will work in LGA775 Systemboard without BIOS microcode update?
My Systemboard is HP-DX2400MT - IPIBL-LB (MoBo) and it supports Pentium Dual Core/Core 2 Duo/Core 2 Quad CPUs.
I want to buy any same spec Xeon CPU and I want to know if if it is possible or there is ...
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Core 2 Quad VS Xeon in PC CPU support
I wonder if an Intel Xeon CPU corresponding to a Core 2 Quad one will work on system which supports Core 2 Quad Processors?
I want to buy a Core 2 Quad but I see many same type Xeon CPUs are on sale.
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AMD Turion HP DV5 Laptop CPU speed throttled down to 0.8 GHz
(Possibly sometime) after upgrading to Win 10, my HP DV5-2144ca Laptop became sluggish.
Slow browsing experience, YouTube video lagging...
In TaskManager I've noticed that CPU speed is limited to 0....
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CPU acronyms - MVB
I was looking through the specifications for a notebook and came across an acronym I had not seen before:
Some Google foo has established that its apparently a big deal if you're a vet, but I cant ...
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Is the GPU inside the CPU's pack in new CPUs [duplicate]
I've heard that GPU is inside the package of the CPU. That is, CPU has it near itself. Is it true?
If yes, what is the GPU with the graphics video card? Might we have two GPUs one with CPU and the ...
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Can the processor of an Acer Aspire XC-704 PC be replaced?
Is it possible to open up an Acer Aspire XC-704 and upgrade the components like the processor from intel celeron to i3 or i5?
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Should I upgrade my CPU even though the load is usually never at 100%? [closed]
I'm thinking about getting a new mainboard - mainly because I need an UEFI one.
As of right now I got the Intel Core 2 Quad Q6600 2.4GHz and it seems most contemporary mainboards aren't compatible ...
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How to maintain your Windows as fast as the day you freshly installed it? [closed]
I just installed windows 10 and it's pretty fast, but I know the fact that performance will drop gradually.
is there any tips on how to maintain PC working smoothly for longest possible time?
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Can I install Windows 7 on Intel Core Duo 32 bit processor? [closed]
I have a Lenovo 3000 N100 076885Q laptop which has inbuilt Windows XP 32 bit. The processor is Intel Core Duo and currently the RAM is 2.5 GB (initially it was 0.5 GB; I added 2 GB later). The ...
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asus laptop core i7 overheating
I have asus N550JK laptop with core i7-4710hq, 16GB RAM, 7200 WD Black.
My laptop CPU temp is 50c in idle state and 70-90c in active state. I cleaned it, changed thermal paste, made a couple of holes ...
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How can replugging a CPU fix something, and what is broken?
I just fixed my friend's PC in the weirdest way: nothing worked (didn't post, no beeps), but then I replugged the CPU because he said that did the trick once. To my amazement it actually solved the ...
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Arch Linux PCI Passtrough
I installed Arch(Antergos) to enable PCI passtrough for KVM Vms, but if I start up the VM it crashed.
I followed this tutorial.
My hardware:
Motherboard: Asrock H97M Pro4
Processor: Intel® Core™ ...
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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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How much do IDEs take advantage of multiple CPU cores?
So, how much do IDEs, for instance Android Studio or Eclipse, take advantage of multiple threads and CPU cores? That is, how much faster do they run on, say, a quad-core CPU compared with a dual-core ...
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How can I share server resources (Ram/CPU) to my PC on LAN?
I have a Windows 2012 Server (Dell hardware) with 32GB RAM and good processing power (Xeon) that is more or less out of use now.
I have a Win 10 laptop, that I do some graphics work and I would like ...
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Shutdown seems to freeze my cpu on dell latitude e7470 under linux
I bought a Dell Latitude e7470 recently. I immediately removed the preinstalled Windows 10, and installed Arch Linux.
It works fine, except for one thing: On shutdown or reboot, at the point where ...
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Are memory leaks still possible with modern OS?
Are memory leaks still possible on Modern OS when the application exits? From my understanding, Modern OS manages memory quite well and will clear the memory once the application exits. This means ...
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Did a windows update, restarted, cannot reduce CPU multipliers anymore
I have been using the same laptop (Clevo p151sm1b, i7-4700MQ) for years and have had the turbo boost CPU multipliers reduced to 28x via Intel XTU. Recently, I did a windows update, restarted, and ...
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CPU accessing instructions [closed]
I don't understand how the CPU knows when it needs to point or look at a certain location where some machine format of instruction is stored? Precisely, I don't know how the CPU knows which memory ...
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Why not always Quad-pump? [closed]
So, with a rudimentary understanding of data transfer, typically bits are transmitted once per full clock cycle, on the rising edge of the clock's wave. Double-pumping instead transmits twice per ...
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Why doesn't my i3 6100 CPU work with gigabyte motherboards?
Short story: Bought gigabyte H170M-DS3H, i3 6100, 8GB RAM. Both Windows and Linux would freeze on boot. Borrowed ASUS motherboard; Linux worked fine on that. Returned faulty gigabyte H170 motherboard, ...
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Can a virus melt the CPU?
I was just wondering if a virus could melt a CPU by altering te voltage in the bios. :)
(and no, I'm not planning on making that kind of a virus...)
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do I get half the CPU speed for a single thread if HT is turned on? [duplicate]
If I have a single 2.6GHz core for example would it mean that with hyperthreading I have only 1.3GHz for a single thread that my app have or is it on demand only if I will use (lets say my app is the ...
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Does adding a graphic card reduce CPU usage on APU systems
Im using an A10 5800k amd apu. Since i could imagine that the processing power is shared between the GPU and the CPU i was wondering if adding a graphic card could lessen the load on the CPU.
When i ...
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Asus motherboard with 'CPU_LED' on
First, Here are some pictures of what I'm seeing.
Here is by build:
CPU | AMD FX-8320E 3.2GHz 8-Core Processor
CPU Cooler | Silverstone AR03 81.4 CFM Sleeve Bearing CPU Cooler
Motherboard | Asus ...
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Cores and threads in VM
i know the basic principles of VM, but i'm wondering if there is any issue allocating all cores to a VM.
In my case, i have a Macbook Pro with an Ivy Bridge i5, so 2 cores and 4 threads. Using ...
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performance monitoring
I want to monitor CPU usage, disk read/write usage for a particular process, say ./myprocess.
To monitor CPU top command seems to be a nice option and for read and write iotop seems to be a handy one....
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Why does nobody makes a new peripherical connector based on ending interrupts signals to processors such as PS/2? [closed]
Most specialists agree that for a mouse and a keyboard the most efficient way to communicate with the processor is based on interrupts (the way it is done in PS/2 ports) rather than polling (the way ...
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Is my CPU broken or my motherboard?
I've built my first computer nearly 2 years ago and have been using it fine ever since. A couple of days ago, I was installing a new SSD. I turned on the PC and it didn't recognize the new drive, so I ...
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What does it mean when you say single-CPU operation in multi core CPUs?
I've been reading about Xeon CPUs in Wikipedia and this terminology has come up. I've tried doing a web search and I can't seem to find anything that can help me clarify my question.
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Software needs Core i5-750 2.67 GHz, my PC has Core i7-3610QM 2.30-3.30 GHz; will it work?
My mobile computer has the following CPU:
Intel Core i7-3610QM - 2,30 - 3,30GHz 6MB 45W "Ivy Bridge"
As far as I understand is my computer able to speed up to 3,30 GHz?
I want to play a game run ...
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