Questions tagged [cpu]

The part of a computer responsible for performing computations, often referred to as a processor.

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Why is Facebook consuming a lot of computer's resources?

I have a problem when using the web version of Facebook. My specs are: CPU: Intel Core i7-11800H RAM: 12GB DDR4 GPU: RTX 3050 Laptop 4GB (No MUX Switch) All drives are SSDs An image of task manager ...
JustAPie's user avatar
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asus tuf gaming x570 pro (wifi) cpu pin

I just bought asus tuf gaming x570 pro (wi-fi) ant it has 8+4 cpu pin but my power supply has 8+8 pin. Will it work, if i put only 8 pin? Or just plug 8+8 to 8+4 pin
Unlex's user avatar
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Why can't Intel CPU use AMD chipsets and vice versa?

In my own intrepretation, a chipset is just a hardware that implements PCIE, which is basically the communication protocol used by the CPU to communicate with device controllers. Now, PCIE is an open ...
user1783484's user avatar
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Linux powersave governor not controlling CPU frequency as expected (many cores still at 3GHz) [duplicate]

I'm want to limit CPU activity on a Thinkpad P1 to extend battery life and prevent fan use. My Linux kernel is 5.15.0-43-generic and the distribution is Ubuntu 22.04 (Jammy). The processor is a Intel(...
MRule's user avatar
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Rog Ally - Ryzen Z1 Processor for programming? [closed]

Is it possible to use the ROG Ally wich has Ryzen Z1 processor for programming - compiling like on a desktop pc? It comes with Windows so I had the idea to put it with a monitor and use it. will there ...
joseph l's user avatar
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What are the BUS addresses for 8086? [closed]

I am going to make an 8086 game, but instead of using BIOS interrupts I am going to use the 8086's BUS for compatibility. How can I interact with the BUS in 8086 Assembly language? I Read this from an ...
Eric Wright's user avatar
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PRO B550M-P GEN3 MB W/ RYZEN 7 5700X CPU

I'm hoping someone can assist me. I've upgraded my MB & CPU to the following PRO B550M-P GEN3 MB W/ RYZEN 7 5700X CPU. I've also added more RAM from 32 to 128. Along with a new 700W PSU. I'm ...
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Why does online retro game emulation run extremely poorly on Microsoft Edge on my Desktop PC?

OS Name: Microsoft Windows 10 Pro Processor: Intel(R) Core™ i7-10700T CPU @ 2.00GHz, 1992 Mhz, 8 Core(s), 16 Logical Processor(s) RAM: 16.0 GB Version: 22H2 I want to play the Sega CD version of The ...
Brad Harper's user avatar
2 votes
3 answers
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What is a "thread" in computing physically?

I was watching this video about multithreading from Computerphile and at 10:03 it shows this: where T1 and T2 are threads, and under them are machine instructions. So, is a thread nothing but a ...
user1783484's user avatar
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What differences are between ""multiprocessor" and "parallel processors"?

I was wondering what differences are between ""multiprocessor" and "parallel processors", in general? I saw them in Stallings' Computer Organization and Architecture (see the ...
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After unplugging my PC from the outlet, sometimes it won't boot for a long time

Before I go to sleep, I unplug my PC from the outlet, due to concerns about power spikes or something of the sort frying my computer. However, sometimes, when I wake up and plug it back into the ...
davi's user avatar
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Windows 10 22h2 Processor Compatibility

My employer has a number of PC that still run Windows 7 (let's not get into why...), it will be necessary for us to upgrade each of these PCs to Windows 10 22H2 very soon. If I reference Microsoft's &...
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3 votes
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Intel Virtualization hidden in BIOS

I am trying to enable virtualization on my Debian system. The command sudo modprobe kvm-intel fails with Operation not supported error. Processor: Intel Xeon E31260L Motherboard: Intel Serverboard ...
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How to reset power settings on Windows 11?

On my company Lenovo L13 (i5-1145G7 2.60GHz, 16GB), the fan never stops, even when CPU temperature is just at 41C. It's been MONTHS of non-stop fan, nobody knows what is going on, I am getting mad. ...
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What is the best way to identify what caused a CPU spike?

In Windows Task Manager History I can see that there was a CPU spike and my computer freezes. And I can see when I sort the view on highest CPU percentage which processes take most of the CPU. But ...
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How to diagnose a MacBook Pro (2019) CPU spiking periodically?

My wife has a MacBook Pro (MacBookPro15,1) an it is running macOS Sonoma (14.3). She got it in 2019. It has an Intel i9 2.3GHz CPU and a Radeon Pro 560X and 16GB of RAM. She doesn't do a whole lot ...
user3271408's user avatar
8 votes
10 answers
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Think 8086… Is the BIOS permanently stored in memory, or is it copied to RAM?

I have a question about how the BIOS is loaded and executed. I know that the CPU starts executing the BIOS at 0xFFFF0, but how is the BIOS there? Is the BIOS hard wired to that address on the CPU, to ...
Vinny's user avatar
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Selenium tests on Dell precision 5550: Certain thermal settings trigger "chrome not reachable" error

For our web based applications, we have created automated end to end tests. Those run in parallel, so we have a usage of nearly constantly 100 % on all CPU cores over more than 14 minutes. On complete ...
Adrian Dymorz's user avatar
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Why does TPM think I installed a new CPU?

I disassembled then reassembled a computer, I rebooted and got a message saying that I installed a new CPU or reset the NV structure. I don't really think I did either, there was only one RAM slot and ...
The Floating Brain's user avatar
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'System' process pins 1 CPU/thread at 100%

I have a Dell XPS 9500 laptop, 6 cores/12 threads. Recently I noticed that the system task is constantly running around 18% CPU, and as shown in the attached picture, it's actually consuming 100% of 1 ...
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Who is right about maximum CPU clock on AMD Ryzen 5 7640U?

Running Ubuntu 23.10 on AMD Ryzen 5 7640U I get: paul@box4x4:~$ lscpu -ae CPU NODE SOCKET CORE L1d:L1i:L2:L3 ONLINE MAXMHZ MINMHZ MHZ 0 0 0 0 0:0:0:0 yes 4971.0000 400....
Paul Jurczak's user avatar
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Does Ryzen 5 7640U CPU have SMT always enabled?

I'm having a hard time finding data sheets for AMD CPUs, so I decided to ask here. Motherboard manufacturer ASRock claims that AMD Ryzen 5 7640U CPU doesn't allow to disable SMT. Is that accurate? ...
Paul Jurczak's user avatar
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Is this a standard numbering scheme for logical CPUs?

This is a listing from Ubuntu 23.10 on AMD Ryzen 5 7640U: paul@box4x4:~$ lscpu -ae CPU NODE SOCKET CORE L1d:L1i:L2:L3 ONLINE MAXMHZ MINMHZ MHZ 0 0 0 0 0:0:0:0 yes 4971....
Paul Jurczak's user avatar
3 votes
1 answer
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High CPU usage realted to "nvlddmkm.sys"

On a notebook one CPU core is constantly at 100 % which causes noise, reduced performance and high power consumption. The notebook has both an integrated GPU (Intel UHD Graphics) and a dedicated one (...
Adrian Dymorz's user avatar
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1 answer
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How to find cpu spike for the past 2 days?

I was trying to find the linux command to show the cpu spike for the past 2 days. I was able to get the CPU% with sar command sar -f /var/log/sa/sa$(date +%d -d "2 days ago") but it is not ...
Sameer's user avatar
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Tell Linux scheduler not to use certain CPU cores at runtime?

I want to absolutely remove certain CPU cores from Linux scheduler. All I found on the Internet is adding isolcpus to grub with rebooting. But it there a way to do it at runtime (without reboot)?
budoattack's user avatar
2 votes
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Adobe Premiere Pro doesn't use GPU when I'm editing a project

I'm using as a GPU the Nvidia GeForce GTX 1060 3gb. When I open a project (selected (CUDA) for the aceleration rendering) and I'm editing,a simple Zoom effect has a red zone in timeline, and when I ...
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Core i7 3770k not working on chinese motherboard Machinist B75 Pro U5

I have a Chinese manufactured motherboard Machinist B75 Pro U5. According to the manual (very hard to find by the way, didn't comes in the box): "Supports Intel Core i3/i5/i7 2th or 3th ...
quakeglen's user avatar
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Why is faster pc i5:ram 4, ssd 256, core 4, then laptop i7: ram 16, ssd 500, core 10?

I have such a case and maybe you can help me, what is the reason? I did a test, reading an excel file (310 MB) in python (pandas). Laptop(IdeaPad Slim 5 16IRL8): i7, ram 16, ssd 500, core 10, 2.4 ghz, ...
Lucas Tornike's user avatar
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Are there any negative effects or harm to processor if you reduce the "Turbo Ratio Limits" values for a laptop which has a locked processor?

I have an i7-8550U processor in my laptop, which is a locked processor. And I'm using Turbo Ratio Limits feature in ThrottleStop software to limit the Turbo Boost clock speed of my laptop processor to ...
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Lenovo Thinkpad with Windows 11 System Hangs Frequently

I am using Lenovo Thinkpad P14s since last 2 years and haven't faced any issues. Suddenly I have noticed that there seems to intermittent noticeable hang while working on light weight applications ...
karthick87's user avatar
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2 answers
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How can I write my CPU temperature to a file on an Intel Mac?

I'd like to log my Mac CPU temperature to a disk file in the Mac terminal. I've tried: sudo powermetrics --samplers smc | grep -i "CPU die temperature" >> cpu_temps.txt ...and: sudo ...
VikR's user avatar
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How to get per core statistics for the Kubernetes pod that is displayed like “mptstats” statistics?

I would want to find the per core usage statistics for my Kubernetes pod. In my Linux host/in the Kubernetes node, I use mpstat to find the statistics like below. In my case, I assign 2.5 CPUs to the ...
Vishal Raghavan's user avatar
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High cpu temperature until i open task manager then it drops down to normal [duplicate]

i have problem.with cpu temps it started yesterday when intalled some shady program and nothing happend when i clicked that exe file, i think in background it did something, When i leave pc on idle ...
Sergi Chokheli's user avatar
2 votes
1 answer
352 views

0 RPM Fan speed (monitoring) but the fans are spinning

I would like to troubleshoot an issue that I came across. I recently checked "Armoury Crate" and saw that I have 0 fan rpms although the fans are spinning. Seems like a lot of people have ...
Thomas Leitner's user avatar
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Are ARM instruction sets retro-compatible?

I need a Pi to make some program run. However, it is noted somewhere on the program's FAQ that it is "supporting the most popular platforms arm7 and arm64". My Pi Zero only has the ARMv6 ...
purplehaze's user avatar
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can't fully understand how the RAM modules speed works (related to the hardware limitations)

I'm building my first desktop computer and I've discovered lots of things. Some of them regarding the RAM modules speed: I've seen that Intel specified in their official stats that the i7-14700K can ...
martinotecco's user avatar
1 vote
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CPU frequency or voltage optimization

I'm running a CPU-bound code with OpenMPI on my old Linux server (Core i7-3770, 4 cores with HT). It works fine, but I found CPU throttling sometimes occurred and the overall performance decreased ...
heartfield's user avatar
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Trouble after changing number of processors

I'm using Windows 11 Pro. I was looking for ways to increase performance and I came across some postings on MSCONFIG. I went to msconfig-boot and changed number of processors from 1(default) to 4. ...
didi's user avatar
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1 vote
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SSD speed in different socket of CPU and chipset

If a motherboard chipset (like B760) has x4 DMI version 4.0 which has speed around 8GBps. And I use a M.2 NVMe PCIe 4.0 x4 SSD (speed around 8Gbps) in a socket which lanes are directly attached to cpu ...
Yash Raj's user avatar
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1 answer
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CPU Power throttling when gaming

I have a windows 11 laptop. When I stress test my CPU it draws 28 watt constantly. But when I open up a game it only draws 15 watts. Because of that I get bottle necked on CPU. My CPU frame time is ...
mustafa candan's user avatar
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Can I force Windows 11 to spread the load to non hyper-threading cores?

I'm using an AMD Ryzen 7950X with 16 cores. With Simultaneous Multithreading (SMT), Windows 11 recognizes it as having 32 virtual cores. My application, a chess engine, benefits from multiple cores ...
Mathieu Pagé's user avatar
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Cache Hierarchy Error Causes Rapid Random Restarts Making Workstation Unusable

For the past few months now, I have been getting random restarts on my Windows 11 machine. I would play a game or spin up a Hyper-V virtual machine and then suddenly, my monitor turns black and I see ...
VJZ's user avatar
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-3 votes
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Using Isopropyl alcohol to clean SSD, CPU/GPU sockets [closed]

Wanted to ask after reading this other question. there are visible signs of moisture on or bear components of a laptop after the machine was exposed to steam/water vapor and you are concerned about ...
The Floating Brain's user avatar
1 vote
1 answer
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Error: Your CPU does not support required features (VT-x or SVM)

I would like to create some applications in React Native and I'm having problems with my PC that force me to use a virtual machine to code. I've chosen Oracle VM VirtualBox with Ubuntu for my virtual ...
ImEmo's user avatar
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1 vote
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BIOS error temps: Sometimes jumps 30 degrees with no explanation

Firstly I apologize for my English. I have a rather curious problem, I have a B450m board with a Ryzen 5500, update the BIOS to be able to use the 5000 series processors. Basically the BIOS sets a ...
Jose Zuniga's user avatar
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Why I'm experiencing boot up issues a few days after swapping my CPU?

I’m experiencing issues on my PC few days after I swapped the CPU, AIO and SSD. I was playing a game when my PC abruptly turns off and restarts, and whenever it gets to desktop or even in the login ...
Legends Ganyu's user avatar
-2 votes
1 answer
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game controller dongle plugged in to the PC and continue using my PC with it?

Is it okay for the PC if I leave the game controller dongle plugged in to the PC and continue using my PC with it? Will doing this damage my motherboard?
Monica's user avatar
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How to assess the actual power (and whether mapped 1:1 to physical host CPU) of virtualized VM CPUs?

We have been provided with 1 virtualized Windows VM machine with 24 2.8 Ghz processors. I want to check whether all 24 cores on the VM are actually mapped to 24 dedicated physical CPU cores. I want to ...
variable's user avatar
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