Questions tagged [cpu]

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

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PC won't 1st time boot

I've recently built a budget PC for my cousin and the parts are as follows: CPU: Ryzen 5 1600 MB: Asus prime b350 plus CPU cooler: cooler master evo 212 RAM: Corsair vengeance 2666 mhz (2x 4gb) GPU: ...
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Is there a program/script to throttle the CPU temperature when it passes a certain threshold in Windows 10?

I've been using this script on Ubuntu to manage my CPU temperature. This script slowly throttles your CPU once it exceeds a certain threshold and unthrottles it as it gets below that threshold. This ...
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My macbook seems to be using much more CPU to run non-intensive tasks

I am using a 2013 Macbook Pro running Mojave 10.14.3. I installed this OS X version several months ago with no immediate problems. More recently, there are several issues here which seem to be ...
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I swapped out my Ryzen 3 1200 for a Ryzen 5 2600 and it won't boot

So I bought a PC off a friend and he gave me (with it) a Ryzen 3 1200. He had overclocked it on MSI apparently putting it up to the max like an idiot and then gave it to me. I have brought a new Ryzen ...
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Should I be concerned about yellow blotches on thermal paste of Ryzen 2700 stock wraith CPU cooler?

I'm new to PC building and am building my first system. I chose to simplify things as much as possible and chose the Ryzen 2700 with an included wraith cooler with pre-applied thermal paste. This ...
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(dis)advantages of same processor with higher clock stock-frequency

Take as example i5 9500T vs 9600T. According to specification, they are both the same hardware and differ only in the fact that 9600T has a higher frequency. So apart from the higher frequency ...
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CPUERR light after stress test and failure to POST. Is this definitely a CPU failure?

I have a high-value CPU (XEON E5-2698 v3) CPU that has failed a stress test (I believe). The ASUS Z10PE motherboard is lighting the CPUERR_LED3 light, the system fails to boot, stopping at Q-code 04 "...
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CPU Overheating instantly [on hold]

I was typically using my PC as i would normally do, when everything started lagging. After some reboots I decided to check on the BIOS. It was then, when I realised the temperature was too high.. So ...
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Recommended GFX Card for my motherboard? [on hold]

This is my mother board: https://www.gigabyte.com/Motherboard/GA-H61M-DS2-rev-50#ov I'm planning to buy an i7 processor and a GFX card... what would be a good NVIDIA GFX card for this motherboard ...
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Does disabled hyperthreading double the performance on single thread?

I have processor with 4 cores (Intel Core I5-8250U @ 1.6 GHz)* and hyperthreading makes it 8 logical processors. I use a program that does some heavy calculation* in a single thread. When I look up ...
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Will My Motherboard and CPU Support Newer RAM?

So I'm looking at getting this (https://www.newegg.com/corsair-16gb-288-pin-ddr4-sdram/p/N82E16820236426?Item=N82E16820236426) RAM and I wanna know beforehand if it will be compatible with my CPU and ...
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Second Xeon CPU fails in Intel S5520UR server motherboard

I'm building my first PC and chose cheap old server bits, an Intel S5520UR server motherboard TPS manual here and a pair of (matched) Xeon X5570s. One CPU works fine, with no errors on boot. However, ...
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Can I put a Core i7-3770 in a DQ67SW motherboard?

I have an Intel DQ67SW motherboard with a Core i5-2500 CPU and I want to upgrade the CPU to Core i7-3770. I checked CPU support list on Intel's website it is not given there, but on Game Debate it is ...
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Can I get a CPU cooler to run without using a motherboard [closed]

I would like to use a CPU cooler for heat removal of a small laser welded part. Can I get a CPU cooler to run without using a motherboard?
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What are the options for cooling a metal-bodied laptop?

The CPU temperature of my 2014 MBP for years has routinely been in the high 90s C. What are the ways to cool it? (I'm trying to avoid throttling, which causes programs I'm using to slow down.) Ones I'...
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Windows 10 PC with an i5-7600 doesn't run at 3GHz anymore, but at around 1.60GHz, even while gaming/video editing

This is a serious problem, because all the games/software I use perform really badly now. I've had this issue since yesterday and I've never encountered anything like this before. I know that the CPU ...
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Are there devices that implement the ARM (ARMv8) SHA3 (Keccak) instructions? [closed]

Keccak and related functions are cryptographic mathematical functions used for hashing, encryption, etc. They won the SHA3 NIST secure hash function competition. Since about 2017, ARMv8 has a 64-bit ...
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Finding a platform for offloading by FPGA in Linux [closed]

I have to design a system with an application running in CPU. A part of the application with heavy computation workload tend to be offloaded in Xilinx FPGA (Field Programmable Gate Array). PCIe is ...
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Upgrade Dell Inspiron 3668 from i5-7400 to a better cpu

I want to customize my Dell 3668.i don't have the money to start a whole new comp. I have the Intel i5-7400 with 16gb ram 1 tb ssd with a GTX 730. This is for gaming, and media. Looking at the Ryzen 5....
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Big performance drop on own program [migrated]

I am not sure that this right site Stack Exchange. Tell me which one if it's wrong. I have my own program (C#, WinForms) and two computers with CPUs: Intel Core i5-2320, 3200 MHz (Windows 7) Intel ...
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How to limit the maximum CPU resources for a specific process?

I've googled and found this blog but when I try to repeat the steps, I see that my context menu doesn't have the options to limit a process. I restarted Task Manager as admin but it didn't make any ...
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CPU usage decrease dramatically after a while time running my code [migrated]

I am running a python code which includes a lot of loops, i'm using python3 and Ubuntu 16 with an Intel quad core processor. It starts running fast, when I look to CPU usage the process is using 100% ...
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explorer.exe eats up 100%of cpu when playing a game, but no lagging in game

my friend is facing a weird problem, and he gave it to me to fix it. his laptop is a hp 2000 notebook with core i3 (not sure need to confirm). The problem was that when he used to run 'hitman: ...
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Do processes stay in memory until completion?

I'm solving a problem in which I'm given several processes, each with it's own required CPU time for completion, memory requirements and time of entry to the ready queue. The algorithm the scheduler ...
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Keras using both CPU and GPU

I am a pretty new user of Keras. Recently I have started using it to train quite simple neural networks. I installed Keras, tensorflow-GPU, CUDA and CUDNN. Here is the code I am running : num_epochs=...
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Performance issue in a system with better configuration

I am running one line code on my laptop which is taking around 45 minutes whereas same line of code on same dataset is taking less than 2 minutes on another laptop. Below are the configuration of my ...
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Does Windows have a “this core may ONLY run this program and should otherwise be idle” setting?

Someone in The Bridge, the main chatroom for Arqade, our gaming site, asked whether they can fully dedicate a CPU core to a specific program, to the point that if that program isn't active, the core ...
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What are suitable values for gcc parameter l2-cache-size considering hardware L2 cache size?

During compilation optimization this question about best guesses for gnu gcc compiler parameter --param l2-cache-size=? (default is number for kB block size) came up. What are recommendable values for ...
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PC turning on and off repeatedly

Yesterday my pc froze had to turn it off by holding the power button. But when i turn it back on its just on for 1-2 sec then off repeatedly then i tried it again after a few mins turned off once then ...
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How can Memory device can update its data?

We know a CPU connect with Memory with Address Bus, Control Bus, Data Bus. When CPU want to write 11110000 into Memory 0x0001, it will first, Address Bus locate to Memory address. then, Send ...
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LSCPU command: what is better in term of concurrency execution

I have 2 Linux machines. I use lscpu command to check its CPU information. Here is the first machine information: CPU(s): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 2 Core(s) ...
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How a program is executed on a CPU with 3 level of caches? [closed]

We have a system optimization problem that requires a clear workflow of the execution of a CPU. How does a modern CPU (e.g. Intel Xeon) with multiple levels of caches execute a program originally ...
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How to check a CPU's version using CPU-Z?

When I use the CPU-Z software to check the CPU information: there it has a param name Family, what's it mean? is it mean the version? Such as the E3-1200 V6, I want to know the version 6 is which ...
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Can only boot with 2/4 cores disabled after BIOS update

I have an MSI Z170A SLI Plus motherboard and an Intel Core i5-6600K CPU. I decided to upgrade to BIOS from 1.6 to 7998v1E. After this, all version of Linux I tried to boot failed with "Processor ...
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Why do modern multi-core operating systems still throttle scroll speed?

Someone asked Why did moving the mouse cursor cause Windows 95 to run more quickly? over on Retrocomputing. Raffzahn's answer mentions that it's also possible to observe the effect of things running ...
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“System” process using up cpu [duplicate]

I have a problem with battery life on my laptop, so I decided to investigate. I looked in the task manager to check whether a process was using too much CPU and low and behold, I stumbled upon a ...
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Hundrets of “run32.dl” processes make my CPU & Ram go 100%

For two days i'm running into problems with run32.dll now. At first, when i started applications, sometimes a run32.dll process started and made my CPU go up to 100%. Today i started the pc and i ...
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Kubernetes: Nodes gets in “Not Ready” state frequently

I have a kubernetes cluster with 4 nodes(1 master & 3 worker). I have already deployed services like cassandra, redis, zookeeper and kafka. But the problem is every once in a while anyone node ...
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What is the ideal temp for intel j4205 procesor?

Hi i have an intel j4205 procesor. When it's idle the temps are between 35 and 45 degree. On load it's between 48 and 64 degree and sometimes it goes up to 68 degree then goes down when viewing a ...
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What is the purpose of laptop OEM RAM clock speed being faster than CPU maximum?

There are already a few questions about people looking to upgrade their RAM to something faster than the CPU or motherboard supports (e.g., this or this), and it seems that the RAM will always be ...
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Laptop with better specs slower than PC

I have a PC and laptop with the following specs: PC: CPU: i5-6500 (3.20-3.60 GHz, 4 cores) GPU: GTX 1050 2gb RAM: 16gb Games installed on HDD Laptop (Dell XPS 15 9570): CPU: i7-8750H (2.20-4.1 ...
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Are desktop CPU and a laptop CPU comparable?

I'd like to host a small server at home to use it as a router, file server, Docker containers host, TV box and so on, I'm looking for the cheapest option. I have found some very cheap used desktop ...
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“Formicoidea” and “Hydrangeae” appearing as CPU-hogging processes on Mac

After installing iStats, I noticed my CPU meter reading pretty hot from time to time. When I open iStats, I see that the two most expensive processes are called "Formicoidea" and "Hydrangeae" (yes, ...
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Server reaches 100% CPU usage and goes down

Every night the web server is using 100% CPU and all websites stop working. I have checked the server logs, in the log, I am getting below error – and this process taking more than 100% CPU usage and ...
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CPU Usage Static at 42% - Intel core i7 (Quad Core)

I have a HP dv5t 2100 CTO laptop with Intel core i7 (quad core) / 8GB RAM. Recently I've noticed that the maximum CPU usage it attains is fixed at 42% - I mean it does not go beyond that come what ...
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Adobe Premiere Pro doesn't use GPU when playback project

I have a problem with the Adobe Premiere Pro. When I playback a project, my CPU uses about 90% - 100% resources, but my GPU uses 0% - 3% resources. It's strange I guess. In the settings (Premiere ...
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Does DDR memory need to run at its rated speed?

I understand under certain circumstances a CPU and memory may need to be matched on speed to ensure there is not something like a 'wasted cycle' in waiting for a component to respond. I have heard of ...
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Windows 10 power slider: What exactly does it do, and how to change it?

The first part of the question would be what exactly each of these settings does. For the power plans, I am able to check and set each of the plans own settings (like max CPU clock, usage, time till ...
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How to get Google Chrome to open hundreds of tabs without crashing?

I need to open hundreds of tabs simultaneously for testing and verifying websites in batches, has to be GUI and visual. I use this tag to open chrome from command line, with very few extensions on it:...
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Can I overclock i7 2670qm?

I have an i7 2670qm CPU and I'm wondering if I could overclock it. What is the risk and what could happen to the CPU or other hardware devices? Is there anyone who has overclocked this specific CPU ...