Questions tagged [cpu]

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

Filter by
Sorted by
Tagged with
5
votes
2answers
23k views

How many cpu sockets does Windows 10 support?

I would like to build a new computer (it's been 7 years since the last one). Does Windows 10 support more than one CPU socket?
0
votes
1answer
17 views

Less overall heat? Dual-core vs Quad-core CPU running single-threaded Application

Setting: Multicore-CPU is running an application which is only using one thread. Assumption: In regards to clockspeed, 2-Core and 4-Core would need the same time to run and both would have the same ...
0
votes
0answers
22 views

Do Intel's Intel64/EM64T 64-bit x86 CPUs use an internal RISC architecture? [closed]

It's widely stated that Intel x86 CPUs use an internal RISC architecture that is not exposed to the outside. (Or just RISC-like?) examples: 1, 2, 3. If that is already false, please say so. Assuming ...
1
vote
1answer
5k views

ACPI.sys high CPU usage

i need help to identify what i causing this. i have a new HP Omen 17 got it for a month now and somehow the laptop keeps one core busy the whole time. i appreciate any help!! thank you! i updated ...
3
votes
1answer
1k views

When the term 'x86' is used, does it always refer to 32-bit?

When the term 'x86' is used, does it always refer to 32-bit? And is it only about Intel processors?
0
votes
0answers
10 views

All CPU cores have identical usage [migrated]

I have Xiaomi Mi A2 lite, which was originally running Android 9 by manufacturer, not MIUI and other utilities. Now it's running Android 10 after an upgrade. I'm tired by that applications are often ...
0
votes
0answers
7 views

Scaling Application for video decoding using ffmpeg

I am building an application to read multiple IP camera streams (rtsp) and run different Machine Learning Algorithms over it in real time. For each camera stream, I spawn an ffmpeg process which ...
-2
votes
1answer
56 views

Do Operating Systems need to know which is the hardware architecture on which they are executing?

Maybe this is a basic theoric question, but I have no idea of the answer and haven't found information of this. Do Operating Systems (imagine Windows or Linux distros) need to know if they are ...
10
votes
3answers
22k views

CPU temperature too high but fan not running at max speed

I think I am having some problem with processor fan... it never runs on full speed event though my processor temperature is going so high. I am using HWMonitor (also speedfan) to record temperatures ...
35
votes
5answers
7k views

Why do different 100% cpu loads cause different temperatures on the cpu?

I have been running tests between using CPUz and OCCT. I noticed that if I set CPUz to stress the CPU with multiple threads it will never go above 70c. On the other hand running OCCT to load on the ...
0
votes
0answers
6 views

can I create UDEV rule to keep track of events for non /dev/<device>?

Need to call a script whenever edac error is thrown up by kernel/system. I created following UDEV rule for this purpose, if the ce_count changes then I would like to execute /var/tmp/test.sh, then I ...
1
vote
0answers
65 views

Setting up a server for mobile / web app backend [closed]

I am currently creating a mobile application which will run on iOS and Android. Apart from that, there will be a web platform to log in to and handle some stuff too - think about it as a dashboard. ...
2
votes
1answer
3k views

Does the Windows registry hold details of the processor's capabilities?

I have a strange situation which I hope someone can shed light on. I have an old HP laptop NC6320 with a triple boot running Windows XP, 7 and Linux Mint. It's an Intel Core 2 T5600 which supports ...
0
votes
3answers
3k views

Black Screen and System Hang - Possibly CPU overheating

I have this old computer - P4 2.0ghz, 1.2GB RAM and onboard graphics(no external card), 80GBHDD. It has xubuntu installed on it and it regularly hangs when it takes more system resources for say like ...
5
votes
2answers
5k views

aTop like tool for OSX

I'm trying to debug some issues with my Mac. This machine is used as continuous integration server. It stops responding from time to time. I think it could be some software issue, since the machine is ...
0
votes
0answers
24 views

I can't boot my system when USB Bluetooth pluged in

I can't boot my system when I have a USB Bluetooth device pluged in. I tried boot priority to my hard disk as well but didn't work.
0
votes
0answers
65 views

Is my CPU broken?

I bought new laptop HP with i5 8265U CPU and in daily usage I noticed some lags. I run AIDA stability test for CPU and it works fine (1.6-2.4GHZ) during 30 minutes, but when I run test for CPU + GPU i ...
0
votes
0answers
16 views

H110M PRO-VDH PLUS MOTHERBOARD AND i5-9400F won't even get to BIOS

MSI H110M PRO-VDH PLUS i-5 LGA1151 i5-9400F 2.9 GHz Silicon Power 16GB (2x8GB) DDR4 2666MHz SPEED ATX-550W Desktop Computer PSU for Intel AMD PC Power Supply (550Watt) If I have both the 24 pin atx ...
-1
votes
0answers
29 views

CPU HEAVY POWER LIMIT THROTTLING

I have a Dell Inspiron Gaming 7577(Intel i7- 7700HQ, GTX 1060 Max Q). On startup, I'm getting an error showing AC Adapter Type, and Wattage cannot be determined. The battery may not charge. The system ...
0
votes
1answer
28 views

My laptop's cpu runs at more than 150% maximum frequency [duplicate]

I recently noticed that my CPU is running at higher than it's base clock speed. Processor : Intel i5-8300H (2.30 GHz) I used to get many Blue Screen (BSoD) errors when I play games like FIFA or even ...
0
votes
0answers
247 views

How to solve the web cannot scan my computer cpu and ram?

I want to participate the TOEFL iBT TELXML in the ProctorU. However, it reports the error like this: Camera Height: Your Camera Height could not be found. Camera Width: Your Camera Width could not ...
0
votes
0answers
181 views

Is it possible to test the memory controller of my CPU?

My system has been on the fritz for the past week throwing up random RAM-related errors (windows bsod about memory management, memtest giving errors) and after swapping out just about all parts the ...
0
votes
0answers
17 views

Cpu not boosting when undervolting

First of all here is my spec & configuration: Ryzen 5 3500 3.6Ghz(stock) Inno3d gtx1070 8Gb(stock) Team TForce Vulcan z 2x8gb 3000Mhz(OC to 3200Mhz) Asrock B450M steel legend Except for memory, ...
0
votes
0answers
13 views

Do the CPU's memory controller and RAM have the same clock speed?

My understanding is that the CPU's memory controller and RAM are driven by separate clock signals (that may be derived from the same base signal, but have different multipliers), and so their clock ...
1
vote
0answers
32 views

Computer Randomly Turns Off Playing Taxing Gamesa

I've tried everything now. I've formatted my SSD and reinstalled windows. Monitored for overheating with no obvious problems. Nothing seems to be obvious as to why this is happening. Like I said in ...
0
votes
0answers
27 views

CPU throttled to base speed or 0.8 GHz even after disabling intelppm

I have a laptop with Intel i7-4750HQ processor @ 2.00 GHz base speed and turbo boost up to 3.00 GHz. My laptop battery died a few months ago and as I have a home inverter, I've been using it with AC ...
0
votes
3answers
44 views

CPU Core vs RAM [closed]

I'm planning to build a PC next week. I've researched over the internet but I need more accurate and solid answer. I've read that the more core of the cpu, the more application it can process, same ...
0
votes
0answers
16 views

Intel i9900k turbo boost

I am running calculations on my PC with I9900k when I am at computer - boost works, 4.2-4.5ghz with no problem. When I am away and connect to the computer via remote desktop - i get the same numbers ...
0
votes
0answers
5 views

kubuntu 20.04 CPU usage with multiple sessions

I am running services like cassandra, postgres, redis etc. on my server installed with kubuntu V20.04. I have 2 users in the system, 1. Eronkan : admin user, and 2 . guest : non admin user. I have ...
7
votes
5answers
14k views

What does the BASE clock speed of an Intel CPU really signify, now that we have Turbo Boost and SpeedStep

Intel now sell their CPUs with an advertised Core Clock speed, and a Turbo Boost (up to) speed. As well as this, thanks to SpeedStep (dynamic frequency scaling), a CPU will often underclock to ...
0
votes
0answers
23 views

BIOS shows RAM frequency and type incorrectly

I have a PC, that I used for three years, it worked fine. I have not been using since the last 8 months, and it seems the computer is very slow. It seems for somehow the computer memory runs at 400 ...
3
votes
3answers
1k views

ACPI.sys (System process) maxes out one CPU core on Windows 10

I noticed a process named System seems to constantly use up to 20% of my CPU, it also maxes out one of my CPU's cores. Performance seems to be unaffected (as far as I know). I used Performance ...
0
votes
2answers
443 views

High CPU usage - seems to be in the function DefPortWriteAcpiRegister in ACPI.sys

I have been struggling with high CPU usage for a pretty long time, the issue happens when I do a full reboot of my laptop (a DELL Precision M6800, Windows 7, 64bits), it happens in the ACPI.sys ...
0
votes
1answer
10 views

WMI Provider Host spiking CPU on Windows 10

Background: 2010 Dell desktop computer Windows 10, version 1909 The computer is sluggish: programs are slow to start, video is constantly buffering, etc. Task Manager shows that "WMI Provider ...
3
votes
1answer
9k views

Undervolting with Intel' XTU - which offset should you reduce?

It is a pretty basic question, but I could not find an answer to this via Google. The value you are supposed to adjust is the "voltage offset". However, there are two kinds of values in the utility ...
38
votes
3answers
19k views

Must a CPU have a GPU if the motherboard provides a display port (when there isn't any separate video card)?

There is such a configuration: MSI A320M PRO-M2 V2 + AMD Ryzen 5 1400 BOX and there isn't any separate video card. When the PC is switched on, the monitor shows nothing. The MSI tech support said: ...
0
votes
1answer
4k views

Overclocking i5-7400 (non-K) CPU

I have a Kaby Lake i5-7400 CPU on a Gigabyte GA-Z170XP-SLI motherboard. Recently, I decided to delve into overclocking, and found that I was able to increase the CPU multiplier from the default of 30 ...
10
votes
8answers
19k views

Intel CPU using low clock for no reason

I've got a strange problem with my computer: Since a few days I notice that it sometimes is much slower than it should be. When I open the Task Manager, this is what I see (sorry for the German): It ...
1
vote
1answer
3k views

Cpu overheating and bios cpu fan error

I have an i5 2550k a p8z68 mobo, and a Corsair h100 liquid cooler. As of last night the CPU started throttling and I guess overheating after 4 years no issues. Whatever, i tried reapplying new TIM/...
-1
votes
1answer
47 views

My Cpu Temperature shows higher temperature than normal. Why?

I built a AMD Ryzen 5 2400g. for first year it works fine. then it starts to create problem. My CPU fan stops working. instead of installing new CPU fan i install my old DC fan. so every time i boot ...
1
vote
1answer
3k views

How can I control my fans with SpeedFan? Doesn't show anything

I have a problem. My laptop gets really hot every time... Last time it was around 120 degrees. I need to control my fans with SpeedFan. But the problem is that my laptop doesn't see the fans. My ...
1
vote
1answer
133 views

Windows 10 migration to new CPU

I am changing my CPU persisting actual motherboard, i.e. socket is the same and motherboard supports new CPU chip. I remember the old days when upon CPU change Windows had to be reinstalled. Does ...
1
vote
0answers
59 views

HP Pavilion 13-s120nr compatible Motherboard with OnBoard CPU of core i5 [closed]

My motherboard is already damaged and it has onboard CPU, I tried searching for a replacement on eBay. The CPU of the previous motherboard I have is core i3 and I wanted to upgrade into core i5. I am ...
0
votes
1answer
52 views

Intel core VID fluctuations

Processor - Intel® Core™ i5-8265U Processor CPU-Z shows 0.6XX - 1.1XX (depending on energy mode) for core VID changing constantly, a few times in second, the core speed also changes, this is also in ...
3
votes
2answers
36 views

Getting total cpu time spent on debian process (even for short-live processes)

for my master's thesis I'm trying to get resource usage information about MQTT brokers on a debian machine. I'm having troubles finding a way to find out how much total cpu time debian has spent on a ...
0
votes
1answer
3k views

Core temperature above threshold cpu clock throttled while upgrading gcc compiler

I have a Dell laptop and i am using CentOS 6.9 in it for personal use which was working very fine till yesterday, when i tried to upgrade default gcc compiler (4.4.7) to 4.9.x version.. I've ...
0
votes
0answers
8 views

How to check the SMT/HT of CPU? [duplicate]

We know modern CPU have technologies such as simultaneous multithreading and hyper–threading. this can virtualize a core to be looks like multi cores. But how to check simultaneous multithreading and ...
8
votes
1answer
2k views

Is there a way to limit cpu usage per tab in Firefox?

Opening 20+ tabs in Firefox inevitably leads to a situation where 2-3 tabs are constantly using a fair amount of CPU, slowing the entire system down. I wonder if it's possible to impose a limit on ...
0
votes
0answers
28 views

PC won't shut down after overclocking

I have a Windows 10 PC that has a intel 4th gen i5k processor. I overclocked it last night by increasing the cpu frequency a bit, and now it won't shut down. The weird part is that when I initiate a ...
1
vote
3answers
2k views

Is it possible to limit how much CPU a virtual machine can use with VMWare Player?

Is it possible to limit how much CPU a virtual machine can use with VMWare Player? I use VMWare to run a Windows XP virtual machine. I want to keep it on in the background all the time. The real ...

1
2 3 4 5
87