Questions tagged [cpu]

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

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Does the smaller shiny area also need thermal paste in this kind of CPU?

My laptop has i7 8550U CPU. As you can see in following photo (found on YouTube), there are 2 shiny areas on processor (highlighted by yellow arrows). I found a clearer image of same CPU so you can ...
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FFMpeg only uses 4 cores, and underperforms on an Intel 12700K 3600mhz C16 Ram

No matter what job I'm doing, as long as there's transcoding involved, FFMpeg will only use 4 out of my 12 physical cores. Audio, Video, or both - doesn't matter. Arguments? Tried tons of different ...
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Crippled battery using Linux with Intel Tigerlake

I've just moved to a new laptop with Debian 11. However, the battery life is terrible (1/5th time compared to running Windows). It's an Intel Tigerlake CPU (ThinkPad P14s Gen 2), and I've seen a post ...
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Computer died after pressing reset button, DRAM Led stuck on

yesterday after a long gaming session I decided to quit the game and my PC stuck at the exit screen, I couldn't move my mouse pointer, ctrl+alt+del didn't didn't work and out of frustration I decided ...
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How to force intel_pstate not to drop CPU Frequency?

I am using a Dell Dell Latitude 5511 Laptop with a Dell WD19 180W docking station. The OS is Arch Linux (Linux 5.17.5-arch1-1 x86_64). The CPU is Intel(R) Core(TM) i7-10850H CPU @ 2.70GHz. the drive ...
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CPU comparisions [closed]

I have an older computer which CPU-z says is an Intel i5 4570, 4 cores, clock speed 2.5ghz. I want to buy a new computer and the one I'm looking at as an Intel i7-11700, 8 cores, base clock speed 2.5 ...
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My CPU is working on 100% until I open Task manager

I am here because I have a problem. My CPU is working at 100% (while I am idle) until I open Task Manager. When I open Task Manager it shows that my CPU is on 100% and after a half seconds it ...
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What is the reasoning to choose the number of sockets?

I am looking at 2 servers. One has got 12 sockets with 24 virtual processors. Another server has got 24 sockets with 24 virtual processors. What is the reasoning to choose the number of sockets?
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System not starting. Automatically power cut after sometime

My System is automatically cutting the power.When i start my system it opens and then OS starts and unexpectedly power cut happens then it automatically restarts but this time it only shows a blank ...
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Why is my CPU core voltage so low, but temperature so high?

I googled the core voltage of the i7-8700k, and it said around 1.25 volts, I am getting between 0.7 and 0.6 volts. HWINFO and my bios both say that my cpu temperature is at 100 Celsius, My AIO doesn't ...
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Over-occupying the CPU by Premier software

Sometimes when I open the Premier software, a large number of my computer CPUs are consumed in vain, but nothing happens in the Premier software, nor does it give any instructions to the software that ...
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Starting problems PC

So my computer started to not boot and when I checked my inside case and ran it my cpu fan will turn on and off and then on and off and the cycle continues. When I unplug my gpu from the psu my cpu ...
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Is Windows 10 scheduling algorithm throttling back my processes?

I have a 10-core, 20-thread Intel Core i9-7900X 3.3GHz CPU. I've been running between 18 and 20 threads on it for around four years, mostly under Windows 7. A few months ago I switched to Windows 10. ...
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Web scraping with python + selenium + multiprocessing in a docker container becomes slower over time

I have built a web crawling solution with python, selenium and multiprocessing which is deployed in a docker container in an EC2 instance (m4.2xlarge type). Whenever I run it with a large input, it ...
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How to best apply compression in Windows to speed up a slow disk with a powerful CPU?

I have a desktop PC with a reasonably powerful Ryzen 3700X (8c/16t) that runs Linux. I need to occasionally use Windows, but not often enough to justify dual-booting. I have instead installed Windows ...
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What is the significance of Voltage/Wattage on these thermal pastes?

I was looking at some thermal pastes online. One of them mentioned like Voltage: 0.09 Volts Another mentioned like Wattage: 8.5 Watts One more mentioned Wattage: 5 Watts. As I'm new in this stuff, I ...
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How likely is a 2 or 3 years old laptop giving slow performance as compared to when it was new?

My laptop is 3 years old (i7 8th generation with 940MX 4GB GDDR5 RAM and 8+8 GB RAM). I never got the hardware inside cleaned professionally. And I used it almost daily for at least 12 hours. In other ...
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"System" using abnormal high CPU usage linked to NVIDIA graphic card

I know many they have been many discussions about the "system using high CPU" already and I have been trying to solve this problem on my Dell XPS 15 9510 with an NVIDIA RTX 3050Ti ( relevant ...
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Spiky CPU temperature when idle and fan speeds spiking from 1500 to 2200 every few seconds

This is during idle, not even touching the mouse or having any programs open (at the end I opened Chrome): This is while browsing the internets: I don't know if the temperature is supposed to be so ...
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Motherboard ASRock trouble coolers speed

I own an ASRock H470M-ITX/ac motherboard and am having trouble with it. In the aida64 program, I did a stress test on computer systems and found that my computer thinks that the coolers in the ...
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Constant temperature fluctuation for a particular core on an Intel i7-9750H CPU

I have a MSI GE75-9SG laptop with an Intel i7-9750H processor and RTX 2080 (non Max-Q) GPU. I just did a clean install of Windows 11 21H2 (Build: 22000.593) I have Nicehash QuickMiner running for a ...
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Can a processor make up for performance drop caused by a hard drive

I have a processor that is very strong and a hard drive that is very slow. I have installed a lot of heavy programs and IDEs on my system, on a laptop I had before if I had installed as many programs ...
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Max CPU Memory MT/s VS MHz

I was looking at the Intel i9 12900k specifications stating that the memory types supported are DDR5 4800 MT/s and DDR4 at 3200 MT/s. What is that translated to MHz? And will a CPU with max memory ...
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Nexpose consumes 16GB RAM and is slow with 3.3GHz quad core

Nexpose vulnerability scanner was using too much RAM to run locally on my laptop, so I got it a high performance VPS that well exceeds its requirements. The Debian 10 server has 18GB RAM, 3.3GHz CPU ...
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Why my laptop cpu I5-1135G7 have base speed is 1.38 ghz while the speed can go higher? [duplicate]

Sometimes my cpu can even go down to 0.30 ghz. Does anyone know why because this is getting a bit annoying for me.enter image description here
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boards for combining old chips in order to get a processing boost [closed]

While modern CPUs(CPUs as in just the chips, not the entire casing as is usually understood): chip old ones (Like the core 2 duo have low prices), so I was wondering if there was a way/motherboard ...
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Intel SpeedStep not working in i3-380M

I have laptop Lenovo B560 instel i3-380M with Intel SpeedStep, however i am not getting full speed of CPU reported in CPU-Z when CPU is under 100% load. Windows 7 x64 EDIT: Guess it was battery issue (...
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Cpu struck at 0.4 GHz after touching temperature of 50- 60°C

Processor : Intel i5 10210U Device : mi Notebook 14 When my CPU reaches around 50-60°C, it throttles and reduces its maximum frequency to a constant 19%. After that, the processor's base speed does ...
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Troubleshooting CPU, PSU, MOBO, HW [duplicate]

Have a well aged PC that has started acting up. In short terms: It has worked fine for about 13 years. BIOS, Windows 10 Started out with trouble booting. When pressing the ON button it sometimes ...
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How does real-time computing handle a CPU with 2 kind of cores (performance and efficiency)?

I am looking for a CPU to perform real-time computing on KVM with RTOS clients. For true real-time with the lowest latency possible, 1 VM need to have 1 physical core (to avoid waiting when both ...
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Do i need to add the same number of vCPU between my VMs for real-time computing?

I will be using KVM to host a few virtual machines. The objective is to simulate the behaviour of services hosted in the VMs, real-time computing is needed. After discovering the concept of real-time ...
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E-Core clock of 12900k is very high on idle state

I noticed that none of E-core clock of my 12900k goes under 3.7GHz. Here's a screenshot of idle state from HWINFO64: As you can see, even though every P-core shows 400MHz, each E-core clock is 3.7GHz....
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Issue with running two virtual machines using virtualbox

I’ve been trying to run two virtual machines (A linux VM and A Windows VM) using virtual box however whatever second machine I try to run it won’t run. It freezes. I understand that it depends on my ...
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Laptop Fan Makes Grinding Sound Every Two Months After Cleaning

I am using some old laptops as a render farm (100% CPU load 24/7), and one of them (around 7 years old) eventually started making a grinding noise from the fan. I disassembled it and cleaned the metal ...
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Lenovo E15 Gen 2 (AMD Ryzen 5 4500U) CPU upgrade options

What options do I have for looking at CPU upgrades for a Lenovo E15 Gen 2 with an AMD Ryzen 5 4500U? I'd like to know perhaps what AMD CPU line I should be researching.
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Enabling SSSE3 flag on a VM running on KVM

How do I forward the SSSE3 flag from my host server to VM while using KVM? I tried the following. My QEMU version is qemu-kvm-1.5.3. My host server has the SSSE3 flag enabled (output cut for brevity): ...
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How to change logical processor view in Task Manager? Windows 10

Does anyone know a way that I can set my 10 core / 20 thread CPU to be displayed like the heat map graph in the image? I see online apparently there is little to no documentation on this change in ...
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Does wrong CPU heat sensor reading possible?

I've got Dell Inspiron 15 5593 Intel® Core™ i5-1035G1 Processor (6MB Cache, 1.0GHz up to 3.9 GHz), when i run two node applications and CPU usage got higher then fan runs full steam. Then i used CPU ...
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PC turns on for a split second then turns off

My PC recently stopped working. I turned it on one day and heard a pop then it turned off and when I tried to turn it on it wouldn’t. I assumed it was the PSU so I changed it but then after trying to ...
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KVM-QEMU + Libvirt - CPU Pinning

I would like to ask, if it is possible to reserve cores just for particular VM's and prevent others to use them. Let me explain closer: I'd like to have 2 virtual machines to be pinned to cores 0-7 ...
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Enable NanoCPU's on raspberry pi for docker containers?

I want to enable a CPU limit for a container, but when I try to enable it with portainer I get this error message: NanoCPUs can not be set, as your kernel does not support CPU CFS scheduler or the ...
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How can I connect my two Macbook Pros in a master-slave relationship to double my CPU power?

My specific use case is scientific computing. I do a lot of cpu-bound computing on my MacbookPro. It's heavily parallel already. I have access to another identical macbook pro, and if I could somehow ...
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Troubleshooting High System CPU Usage

I have been noticing that occasionally my "System" process is usually a lot (usually 80-90%) of my CPU. This happens when it is just idling or when I am using applications. It will calm down ...
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Cooling problems with my ASUS Zenbook pro 15 UX580 after fresh install

I recently reinstalled a fresh WIN10 installation on my Zenbook and caught some heating issues. I used the official drivers from the asus site. The only hardware mortification was an update to the M.2 ...
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Desktop PC no display at all

I have a desktop PC that turns on but shows no display whatsoever. I have tried everything I could find so if anyone could give any suggestions, it would be much appreciated. I checked that the ...
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Windows has detected that your fan is not running properly

I was receiving the message that my CPU fan was not working properly. And, in fact it was not. Replaced fan, old fan 4 wire adjustable speed fan in an HP laptop. Purchased a 4 wire adjustable speed ...
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How to activate SpeedStep from linux?

Is there any possibility to control Intel SpeedStep feature from Linux? I'm looking for a service or command that should kicks in when a processor hungry process runs and it should limit the CPU ...
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BCLK large drops (90 MHz): Should I be worried ? (No OC or other modifications)

After some weird behaviours of Win10 (a severe clock drift of several minutes per actual hour), I started monitoring BCLK, using different tools (Intel XTU, OCCT...). They all reported the same: BCLK ...
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Motherboard or CPU Broken?

Recently my PC started to bluescreen after about 15 seconds of uptime. After painstakingly narrowing the problem down to either the MB or CPU I am not sure which one is broken. My PC specs: R5 2600 ...
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Cloud VMs CPU usage is suddenly spiking to 100%

There is a cloud VM running an express application on ubuntu. Sometimes, I see that the CPU usage is spiking to 100% for 4 to 5 hours and then comes down. At times, it is definitely at 100% CPU usage. ...
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